ACA plans available
110
Plan year 2026
CMS Marketplace county · plan year 2026
Williamson, Texas ACA premiums
County-level marketplace aggregates from CMS Public Use Files. Listed rates are age-27 premiums unless noted.
Data updated 2026-08-30
- $646
- Silver avg/mo
- 110
- ACA plans
- 10
- Issuers
- +22.8%
- YoY premium
Silver avg $646/mo
Williamson, Texas has 110 ACA marketplace plans from 10 issuers (plan year 2026). Average Silver premium is $646/mo; Bronze averages $438/mo and Gold $572/mo. Figures are CMS Marketplace Public Use File county aggregates for age-27 rates.
- County Silver corpus place #876 of 2055 (highest = #1)
- Benchmark (2nd-lowest Silver) $513/mo
- Plan year 2026 CMS PUF
Silver rank is not plan-count rank
According to CMS Marketplace Public Use Files, Williamson, Texas ranks #876 of 2,055 counties by listed Silver average ($646/mo) and #84 of 2,055 by plan count (110 plans).
- #876 of 2,055
- Silver average among 2,055 counties
- $646
- Listed Silver average /mo
- #84 of 2,055
- Plan count among 2,055 counties
- 110
- Listed ACA plans in this county
Highest listed Silver average = #1. Most listed plans = #1. County of residence still governs which plans CMS files for that FIPS.
Williamson, Texas offers 110 ACA marketplace plans from 10 issuers for plan year 2026. Bronze plans start at $355/mo and Silver plans start at $499/mo (age 27 listed rates). Use the tables below to compare premiums, deductibles, and issuers across all metal tiers.
$646
Avg Silver Premium/mo
$513
Benchmark Premium/mo
+22.8%
Year-over-Year Change
$4,622
Avg Deductible
Dense plan inventory
Williamson marketplace standing
110 plans put Williamson in the densest third of county ACA inventories. Corpus place #876 of 2055 (highest Silver = #1).
Mid-pack Silver avg $646/mo with 110 plans in the densest third of county inventories. YoY average shift: +22.8%. HMO is the most common network type in Williamson, with EPO and POS rounding out the alternatives.
Source: CMS Marketplace Public Use Files, plan year 2026. Informational only; confirm options at HealthCare.gov. How we place counties.
Premiums by Metal Level
Bronze-tier cards fold CMS Expanded Bronze into Bronze (same population as county_trends and methodology). Plan rows and the premium-vs-deductible chart below keep the CMS source label.
Bronze
27 plans$438/mo avg
$355 - $556
Silver
43 plans$646/mo avg
$499 - $887
Gold
39 plans$572/mo avg
$468 - $759
Catastrophic plan available: avg $516/mo (1 plan) - only for individuals under 30 or with a hardship exemption.
Benchmark premium & subsidies
The benchmark (second-lowest Silver) premium in Williamson is $513/mo for a 27-year-old. This is the amount used to calculate your premium tax credit. If your expected contribution (based on income) is less than the benchmark, you receive a subsidy for the difference.
Issuers in market
10
Competitive market
Benchmark Silver
$513 /mo
Sets your subsidy ceiling
Avg deductible
$4,622
Across all metal tiers
B+
Marketplace Access Score
75/100
Williamson
Based on benchmark premium, plan and issuer counts, and average deductible across 2,055 tracked ACA marketplace counties, not plan quality, network adequacy, or provider access.
Affordability D
$513/mo
Benchmark Silver premium; rank #876 of 2055 tracked counties (cheapest first)
Plan Choice A+
110 plans
ACA marketplace plan count; rank #84 of 2055 tracked counties (most first)
Issuer Competition A+
10 issuers
Distinct marketplace issuers; rank #11 of 2055 tracked counties (most first)
Cost Predictability A
$4,622
Average deductible across tracked plans; rank #1761 of 2055 tracked counties (lowest first)
Williamson ACA plans by premium and deductible
Each marker is the Williamson average for one metal tier, monthly premium (age 27) plotted against the average annual deductible, both computed directly from this county's plans. The classic ACA tradeoff is visible: lower-premium Bronze tiers carry the highest deductibles, while Gold and Platinum invert it.
Williamson ACA marketplace plans: premium vs deductible
How Williamson's Silver premium compares nationwide
2,055 federal-marketplace counties with a tracked Silver average, banded by monthly premium.
Williamson vs 2,055 tracked counties
Average Silver premium (age 27), CMS Marketplace Public Use Files
$646 876th of 2055 higher than 1,179 of 2,055 counties
Counties, banded by average Silver premium
Each bar is a $1-wide band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source CMS Marketplace Public Use Files · 2026-08-30
Issuers in Williamson
| Issuer | Plans | Avg Premium (Age 27) |
|---|---|---|
| Oscar Insurance Company | 23 | $570/mo |
| Blue Cross and Blue Shield of Texas | 22 | $653/mo |
| UnitedHealthcare | 14 | $499/mo |
| Ambetter from Superior HealthPlan | 12 | $658/mo |
| Baylor Scott and White Health Plan | 10 | $477/mo |
| Imperial Insurance Companies, Inc. | 7 | $523/mo |
| Sendero Health Plans, Local Nonprofit | 7 | $463/mo |
| Ambetter from Superior HealthPlan | 6 | $573/mo |
| Moda Health Plan, Inc. | 5 | $561/mo |
| Harbor Health | 4 | $531/mo |
All Plans in Williamson
| Plan Name | Metal | Type | Premium (27) | Premium (40) | Deductible | OOP Max |
|---|---|---|---|---|---|---|
| Blue Advantage Security HMO℠ 200 Blue Cross and Blue Shield of Texas | Catastrophic | HMO | $516.31 | $629.62 | $10,600 | $10,600 |
| UHC Bronze Essential ($0 Virtual Urgent Care) UnitedHealthcare | Bronze | HMO | $369.17 | $450.19 | $10,600 | $10,600 |
| Imperial Preferred Bronze Imperial Insurance Companies, Inc. | Bronze | HMO | $382.44 | $466.37 | $9,200 | $9,200 |
| Blue Advantage Plus Bronze℠ 305 Blue Cross and Blue Shield of Texas | Bronze | POS | $515.03 | $628.06 | $7,300 | $10,600 |
| Sendero Health Quality Care Bronze High Deductible / $50 PCP / $25 Generic Drugs / $100 Specialist Sendero Health Plans, Local Nonprofit | Expanded Bronze | HMO | $354.79 | $432.65 | $7,500 | $10,000 |
| BSW Savers Bronze HMO H S A 006 Baylor Scott and White Health Plan | Expanded Bronze | HMO | $358.52 | $437.20 | $8,000 | $8,000 |
| BSW Savers Bronze HMO H S A 007 (CMS Standardized Plan with $0 Pediatric PCP copay) Baylor Scott and White Health Plan | Expanded Bronze | HMO | $364.26 | $444.20 | $7,500 | $10,000 |
| BSW Savers Bronze HMO H S A 009 Baylor Scott and White Health Plan | Expanded Bronze | HMO | $368.52 | $449.40 | $5,300 | $10,600 |
| Sendero Health Preferred Bronze / $25 PCP / $75 Specialist / $22 Generic Drugs Sendero Health Plans, Local Nonprofit | Expanded Bronze | HMO | $376.59 | $459.23 | $8,550 | $9,800 |
| UHC Bronze Standard UnitedHealthcare | Expanded Bronze | HMO | $385.73 | $470.39 | $7,500 | $10,000 |
| UHC Bronze Standard+ (Dental + Vision) UnitedHealthcare | Expanded Bronze | HMO | $398.91 | $486.46 | $7,500 | $10,000 |
| MyBlue Health Bronze℠ Standard Blue Cross and Blue Shield of Texas | Expanded Bronze | HMO | $404.69 | $493.50 | $7,500 | $10,000 |
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) UnitedHealthcare | Expanded Bronze | HMO | $408.20 | $497.78 | $0 | $10,600 |
| Imperial Standard Bronze Imperial Insurance Companies, Inc. | Expanded Bronze | HMO | $409.03 | $498.80 | $7,500 | $10,000 |
| MyBlue Health Bronze℠ 402 Blue Cross and Blue Shield of Texas | Expanded Bronze | HMO | $420.27 | $512.50 | $5,000 | $9,000 |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits Oscar Insurance Company | Expanded Bronze | EPO | $436.95 | $532.85 | $9,000 | $10,600 |
| Bronze Classic Standard Oscar Insurance Company | Expanded Bronze | EPO | $451.89 | $551.06 | $7,500 | $10,000 |
| Moda Select Texas Bronze 8700 ($0 Virtual Urgent Care through CirrusMD) Moda Health Plan, Inc. | Expanded Bronze | EPO | $453.78 | $553.37 | $8,700 | $8,700 |
| Bronze Classic 4700 Oscar Insurance Company | Expanded Bronze | EPO | $457.32 | $557.69 | $4,700 | $9,800 |
| Bronze Simple Diabetes Oscar Insurance Company | Expanded Bronze | EPO | $458.71 | $559.38 | $5,500 | $10,150 |
| Moda Select Texas Standard Bronze Moda Health Plan, Inc. | Expanded Bronze | EPO | $465.27 | $567.39 | $7,500 | $10,000 |
| Bronze Simple Chronic Care CKM Oscar Insurance Company | Expanded Bronze | EPO | $466.39 | $568.75 | $5,500 | $10,150 |
| Bronze Elite + PCP Saver Plus Oscar Insurance Company | Expanded Bronze | EPO | $477.83 | $582.69 | $0 | $10,150 |
| Moda Select Texas Bronze HDHP 7500 Moda Health Plan, Inc. | Expanded Bronze | EPO | $484.40 | $590.71 | $7,500 | $7,500 |
| Blue Advantage Bronze HMO℠ Standard Blue Cross and Blue Shield of Texas | Expanded Bronze | HMO | $524.10 | $639.13 | $7,500 | $10,000 |
| Blue Advantage Bronze HMO℠ 204 Blue Cross and Blue Shield of Texas | Expanded Bronze | HMO | $524.70 | $639.86 | $6,000 | $10,150 |
| Blue Advantage Plus Bronze℠ Standard Blue Cross and Blue Shield of Texas | Expanded Bronze | POS | $539.15 | $657.48 | $7,500 | $10,000 |
| Blue Advantage Plus Bronze℠ 303 Blue Cross and Blue Shield of Texas | Expanded Bronze | POS | $556.28 | $678.36 | $7,000 | $10,150 |
| Sendero Health Capital Silver / $40 PCP / $80 Specialist / $20 Generic Drugs Sendero Health Plans, Local Nonprofit | Silver | HMO | $498.50 | $607.90 | $6,000 | $8,900 |
| Sendero Health Original Silver / $20 PCP + 2 $0 PCP Visits / $10 Generic Drugs Sendero Health Plans, Local Nonprofit | Silver | HMO | $512.50 | $624.97 | $4,250 | $7,750 |
| Harbor Health S1 $0 PCP $0 Mental Health Office Visit $0 Express Care Harbor Health | Silver | HMO | $534.71 | $652.07 | $9,900 | $10,150 |
| Sendero Health Austin512 Silver / $40 PCP / $75 Specialist / $15 Generic Drugs / $0 Deductible Sendero Health Plans, Local Nonprofit | Silver | HMO | $546.30 | $666.20 | $0 | $9,200 |
| UHC Silver Standard UnitedHealthcare | Silver | HMO | $567.83 | $692.45 | $6,000 | $8,900 |
| BSW Prime Silver HMO 003 (CMS Standardized Plan with $0 Pediatric PCP copay) Baylor Scott and White Health Plan | Silver | HMO | $573.48 | $699.34 | $6,000 | $8,900 |
| BSW Prime Silver HMO 005 Baylor Scott and White Health Plan | Silver | HMO | $573.71 | $699.62 | $3,000 | $9,000 |
| BSW Prime Silver HMO 008 Baylor Scott and White Health Plan | Silver | HMO | $574.17 | $700.18 | $5,000 | $8,500 |
| UHC Silver Value ($0 Virtual Urgent Care) UnitedHealthcare | Silver | HMO | $576.97 | $703.60 | $3,000 | $8,950 |
| UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx) UnitedHealthcare | Silver | HMO | $577.64 | $704.42 | $3,500 | $9,200 |
| Standard Silver VALUE Ambetter from Superior HealthPlan | Silver | HMO | $578.75 | $705.77 | $6,000 | $8,900 |
| Focused VALUE Silver Ambetter from Superior HealthPlan | Silver | HMO | $581.69 | $709.36 | $6,300 | $8,400 |
| UHC Silver Value+ ($0 Virtual Urgent Care, Dental + Vision) UnitedHealthcare | Silver | HMO | $590.15 | $719.67 | $3,000 | $8,950 |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision) UnitedHealthcare | Silver | HMO | $590.83 | $720.49 | $3,500 | $9,200 |
| Silver Simple Guided Care Oscar Insurance Company | Silver | HMO | $600.34 | $732.10 | $6,300 | $9,300 |
| Standard Silver VALUE + Vision + Adult Dental Ambetter from Superior HealthPlan | Silver | HMO | $600.63 | $732.45 | $6,000 | $8,900 |
| Harbor Health S1S $40 PCP $40 Mental Health Office Visit $40 Express Care Harbor Health | Silver | HMO | $601.16 | $733.09 | $6,000 | $8,900 |
| Imperial Standard Silver Imperial Insurance Companies, Inc. | Silver | HMO | $602.36 | $734.55 | $6,000 | $8,900 |
| Focused VALUE Silver + Vision + Adult Dental Ambetter from Superior HealthPlan | Silver | HMO | $603.69 | $736.18 | $6,300 | $8,400 |
| Silver Simple Diabetes Guided Care Oscar Insurance Company | Silver | HMO | $607.21 | $740.48 | $6,500 | $10,000 |
| Silver Simple Breathe Easy with Enhanced COPD Benefits Guided Care Oscar Insurance Company | Silver | HMO | $611.46 | $745.65 | $6,200 | $9,600 |
| Silver Simple Chronic Care CKM Guided Care Oscar Insurance Company | Silver | HMO | $611.90 | $746.19 | $5,900 | $10,150 |
| Silver Simple Women's Health with Menopause Benefits Guided Care Oscar Insurance Company | Silver | HMO | $613.59 | $748.25 | $6,000 | $10,150 |
| Imperial Preferred Silver Imperial Insurance Companies, Inc. | Silver | HMO | $613.64 | $748.31 | $7,500 | $9,500 |
| Silver Classic Standard Guided Care Oscar Insurance Company | Silver | HMO | $621.64 | $758.07 | $6,000 | $8,900 |
| Silver Simple PCP Saver Guided Care Oscar Insurance Company | Silver | HMO | $626.19 | $763.62 | $5,750 | $10,150 |
| MyBlue Health Silver℠ Standard Blue Cross and Blue Shield of Texas | Silver | HMO | $638.25 | $778.33 | $6,000 | $8,900 |
| MyBlue Health Silver℠ 405 Blue Cross and Blue Shield of Texas | Silver | HMO | $639.26 | $779.55 | $1,500 | $10,600 |
| Standard Silver Ambetter from Superior HealthPlan | Silver | EPO | $669.59 | $816.54 | $6,000 | $8,900 |
| Focused Silver Ambetter from Superior HealthPlan | Silver | EPO | $673.02 | $820.73 | $6,300 | $8,400 |
| Enhanced Diabetes Care Silver with $0 Drug Options Ambetter from Superior HealthPlan | Silver | EPO | $679.35 | $828.44 | $5,000 | $8,650 |
| Standard Silver + Vision + Adult Dental Ambetter from Superior HealthPlan | Silver | EPO | $694.75 | $847.23 | $6,000 | $8,900 |
| Silver Simple PCP Saver Oscar Insurance Company | Silver | EPO | $697.42 | $850.48 | $5,750 | $10,150 |
| Focused Silver + Vision + Adult Dental Ambetter from Superior HealthPlan | Silver | EPO | $698.32 | $851.58 | $6,300 | $8,400 |
| Silver Classic Standard Oscar Insurance Company | Silver | EPO | $702.18 | $856.28 | $6,000 | $8,900 |
| Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental Ambetter from Superior HealthPlan | Silver | EPO | $704.89 | $859.59 | $5,000 | $8,650 |
| Silver Classic Oscar Insurance Company | Silver | EPO | $711.67 | $867.86 | $5,500 | $8,900 |
| Moda Select Texas Standard Silver Moda Health Plan, Inc. | Silver | EPO | $754.47 | $920.05 | $6,000 | $8,900 |
| Blue Advantage Silver HMO℠ Standard Blue Cross and Blue Shield of Texas | Silver | HMO | $845.82 | $1,031.45 | $6,000 | $8,900 |
| Blue Advantage Silver HMO℠ 205 Blue Cross and Blue Shield of Texas | Silver | HMO | $855.16 | $1,042.84 | $1,450 | $10,600 |
| Blue Advantage Plus Silver℠ 202 Blue Cross and Blue Shield of Texas | Silver | POS | $862.60 | $1,051.91 | $1,250 | $10,500 |
| Blue Advantage Plus Silver℠ Standard Blue Cross and Blue Shield of Texas | Silver | POS | $865.93 | $1,055.97 | $6,000 | $8,900 |
| Blue Advantage Plus Silver℠ 605 Blue Cross and Blue Shield of Texas | Silver | POS | $887.25 | $1,081.97 | $0 | $10,150 |
| Harbor Health G0 $0 Deductible $0 PCP $0 Mental Health Office Visit $0 Express Care Harbor Health | Gold | HMO | $468.08 | $570.81 | $0 | $10,150 |
| Sendero Health Hill Country Gold / $30 PCP / $60 Specialist / $15 Generic Drugs Sendero Health Plans, Local Nonprofit | Gold | HMO | $473.41 | $577.31 | $2,000 | $8,200 |
| BSW Elite Gold HMO 004 Baylor Scott and White Health Plan | Gold | HMO | $478.73 | $583.79 | $1,550 | $8,100 |
| BSW Elite Gold HMO 001 (CMS Standardized Plan with $0 Pediatric PCP copay) Baylor Scott and White Health Plan | Gold | HMO | $478.78 | $583.86 | $2,000 | $8,200 |
| Sendero Health Real Gold / $350 Deductible Sendero Health Plans, Local Nonprofit | Gold | HMO | $481.43 | $587.09 | $350 | $8,750 |
| UHC Gold Standard UnitedHealthcare | Gold | HMO | $489.98 | $597.51 | $2,000 | $8,200 |
| BSW Elite Gold HMO 012 Baylor Scott and White Health Plan | Gold | HMO | $499.92 | $609.63 | $500 | $10,600 |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) UnitedHealthcare | Gold | HMO | $501.41 | $611.45 | $0 | $7,800 |
| BSW Diabetes Care Gold HMO 014 Baylor Scott and White Health Plan | Gold | HMO | $502.81 | $613.16 | $1,700 | $10,150 |
| UHC Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) UnitedHealthcare | Gold | HMO | $502.99 | $613.38 | $1,000 | $7,500 |
| UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) UnitedHealthcare | Gold | HMO | $514.59 | $627.52 | $0 | $7,800 |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) UnitedHealthcare | Gold | HMO | $516.17 | $629.45 | $1,000 | $7,500 |
| Harbor Health G1S $30 PCP $30 Mental Health Office Visit $30 Express Care Harbor Health | Gold | HMO | $518.03 | $631.71 | $2,000 | $8,200 |
| Gold Simple Guided Care Oscar Insurance Company | Gold | HMO | $527.52 | $643.30 | $3,300 | $9,950 |
| Standard Gold VALUE Ambetter from Superior HealthPlan | Gold | HMO | $529.18 | $645.31 | $2,000 | $8,200 |
| Gold Classic Standard Guided Care Oscar Insurance Company | Gold | HMO | $530.18 | $646.54 | $2,000 | $8,200 |
| Gold Simple Diabetes Guided Care Oscar Insurance Company | Gold | HMO | $532.58 | $649.46 | $2,000 | $9,800 |
| Gold Classic Guided Care Oscar Insurance Company | Gold | HMO | $538.33 | $656.48 | $2,500 | $8,000 |
| Complete VALUE Gold Ambetter from Superior HealthPlan | Gold | HMO | $541.11 | $659.86 | $1,450 | $7,500 |
| Imperial Standard Gold Imperial Insurance Companies, Inc. | Gold | HMO | $549.56 | $670.17 | $2,000 | $8,200 |
| Imperial Preferred Gold Zero Imperial Insurance Companies, Inc. | Gold | HMO | $552.24 | $673.44 | $0 | $9,200 |
| MyBlue Health Gold℠ 403 Blue Cross and Blue Shield of Texas | Gold | HMO | $553.13 | $674.53 | $500 | $8,500 |
| Imperial Preferred Gold Imperial Insurance Companies, Inc. | Gold | HMO | $554.53 | $676.24 | $1,350 | $9,000 |
| MyBlue Health Gold℠ Standard Blue Cross and Blue Shield of Texas | Gold | HMO | $561.42 | $684.64 | $2,000 | $8,200 |
| Gold Classic Standard Oscar Insurance Company | Gold | EPO | $597.45 | $728.58 | $2,000 | $8,200 |
| Gold Classic Oscar Insurance Company | Gold | EPO | $606.79 | $739.95 | $2,500 | $8,000 |
| Standard Gold Ambetter from Superior HealthPlan | Gold | EPO | $612.20 | $746.55 | $2,000 | $8,200 |
| Everyday Gold Ambetter from Superior HealthPlan | Gold | EPO | $615.03 | $750.00 | $800 | $7,250 |
| Gold Elite Oscar Insurance Company | Gold | EPO | $619.35 | $755.27 | $1,200 | $7,800 |
| Complete Gold Ambetter from Superior HealthPlan | Gold | EPO | $626.13 | $763.55 | $1,450 | $7,500 |
| Standard Gold + Vision + Adult Dental Ambetter from Superior HealthPlan | Gold | EPO | $634.98 | $774.33 | $2,000 | $8,200 |
| Everyday Gold + Vision + Adult Dental Ambetter from Superior HealthPlan | Gold | EPO | $637.91 | $777.91 | $800 | $7,250 |
| Moda Select Texas Standard Gold Moda Health Plan, Inc. | Gold | EPO | $648.34 | $790.63 | $2,000 | $8,200 |
| Complete Gold + Vision + Adult Dental Ambetter from Superior HealthPlan | Gold | EPO | $649.45 | $791.98 | $1,450 | $7,500 |
| Blue Advantage Gold HMO℠ 206 Blue Cross and Blue Shield of Texas | Gold | HMO | $712.20 | $868.50 | $550 | $10,100 |
| Blue Advantage Plus Gold℠ 803 Blue Cross and Blue Shield of Texas | Gold | POS | $721.75 | $880.15 | $2,400 | $10,400 |
| Blue Advantage Gold HMO℠ Standard Blue Cross and Blue Shield of Texas | Gold | HMO | $726.93 | $886.47 | $2,000 | $8,200 |
| Blue Advantage Plus Gold℠ 203 Blue Cross and Blue Shield of Texas | Gold | POS | $730.27 | $890.54 | $1,700 | $10,150 |
| Blue Advantage Plus Gold℠ Standard Blue Cross and Blue Shield of Texas | Gold | POS | $758.76 | $925.28 | $2,000 | $8,200 |
Silver Premium Trend (2022-2026)
| Year | Avg Premium | Min | Max | Plans | Issuers |
|---|---|---|---|---|---|
| 2022 | $438/mo | $361 | $565 | 63 | 11 |
| 2023 | $482/mo | $375 | $624 | 51 | 10 |
| 2024 | $501/mo | $403 | $627 | 52 | 10 |
| 2025 | $508/mo | $429 | $696 | 45 | 9 |
| 2026 | $646/mo | $499 | $887 | 43 | 10 |
What this means for Williamson
Use Williamson's own numbers here, not a national average, before you enroll.
- $646/mo Silver average is mid-pack nationally -- estimate your own subsidy before comparing tiers. Estimate your subsidy
- 110 plans from 10 issuers here -- see how that stacks up against the cheapest counties nationwide. See cheapest counties
Averages and tercile bands are CMS Marketplace Public Use File aggregates for this county; your actual premium depends on your age, household income, and chosen plan.
Frequently Asked Questions
Where does Williamson sit on Silver premiums vs other counties?
Williamson ranks #876 of 2055 tracked federal-marketplace counties by average Silver premium (highest = #1; CMS PUF sort). Local Silver avg is $646/mo. See /methodology#corpus-placement.
How many ACA plans compete in Williamson?
Williamson carries 110 ACA plans from 10 issuers, putting it in the densest third of county inventories nationwide.
What is the cheapest health insurance plan in Williamson?
The lowest-premium plan in Williamson starts at $355/mo (Bronze tier, age 27). Silver plans start at $499/mo. Actual premiums vary by age and may be reduced by premium tax credits.
What is the benchmark premium for Williamson?
The benchmark (second-lowest Silver) premium in Williamson is $513/mo for a 27-year-old. This amount determines how much premium tax credit subsidy you may be eligible for.
Why did Williamson premiums rise +22.8% year-over-year?
The average age-27 premium in Williamson changed by +22.8% between plan years 2025 and 2026, measured across Bronze, Silver, Gold, Platinum and Catastrophic plans. Premium trends are tracked from 2022 to 2026.
What is the average deductible and out-of-pocket maximum in Williamson?
The average annual deductible across all plans in Williamson is $4,622, and the average out-of-pocket maximum is $9,113. Bronze plans generally have higher deductibles but lower premiums, while Gold and Platinum plans have lower deductibles but higher monthly costs.
Which issuers compete in Williamson's crowded market?
There are 10 insurance issuers offering ACA marketplace plans in Williamson, including Oscar Insurance Company, Blue Cross and Blue Shield of Texas, UnitedHealthcare, and others. Competition among issuers affects plan variety and pricing. More issuers generally mean more choices and potentially lower premiums.
Disclaimer
This page is for informational purposes only and does not constitute insurance or financial advice. Premiums shown are for a 27-year-old non-tobacco user unless otherwise noted. Your actual premium depends on age, location, tobacco use, and subsidy eligibility. Visit HealthCare.gov for official enrollment. Source: CMS Marketplace PUF, PY2026.
Read our methodology - how this data is sourced, computed, and verified.
Counties With a Similar Benchmark Premium
The closest counties nationwide to Williamson, TX's $513/mo benchmark premium.
One of 2,054 counties nationwide with a tracked benchmark premium, 5 are shown here.
Nationwide counties with similar marketplace profiles
Two CMS Marketplace peer sets for Williamson, TX, both outside TX so the neighborhoods are not state containment (the similar-premium list above may still include same-state rating-area siblings). Peers are drawn from counties with ≥20 plans, the rankings-scale corpus.
Similar benchmark premium
Nearest other-state counties by benchmark premium ($513/mo here).
Similar issuer competition
Nearest other-state counties by issuer count (10 here).
Data sources
Data sourced from the CMS Health Insurance Marketplace Public Use Files. See our methodology for details. Retrieved and formatted by PlainHealthPlan
PlainHealthPlan is rendered directly from CMS Health Insurance Marketplace Public Use Files, no number is typed in by an editor. Plan and premium figures for this county come from the live CMS Marketplace PUF aggregates. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.