CMS Marketplace state · 88 counties

Ohio ACA marketplace premiums

Statewide aggregates from CMS Public Use Files. Listed rates are age-27 premiums unless a row notes another age band.

Data updated 2026-08-30

$520
Avg premium (age 27)

Bottom quartile, lowest

88
Counties
11
Issuers
#24 of 30
Premium rank (30 states)
Subscribe (RSS)
Avg premium $520/mo (age 27)

Ohio lists 189 ACA marketplace plans across 88 counties from 11 issuers. Average age-27 premium is $520/mo (age 40: $634/mo; age 60: $1,347/mo), ranging $292 to $1,012/mo. Source: CMS Marketplace Public Use Files.

  • State premium corpus place #24 of 30 (highest = #1)
  • Costliest county Silver: Knox at $617/mo
  • Cheapest county Silver: Ashland at $484/mo

Premium rank is not plan-count rank

According to CMS Marketplace Public Use Files, Ohio ranks #24 of 30 federal-marketplace states by average age-27 premium ($520/mo) and #6 of 30 by plan count (189 plans).

#24 of 30
Age-27 premium among 30 states
$520
Average listed premium /mo (age 27)
#6 of 30
Plan count among 30 states
189
Listed ACA plans in this state

Highest listed average premium = #1. Most listed plans = #1. Federal-marketplace states only; state-based exchanges are outside this corpus.

Lower-premium band

Ohio in the lower-premium third

$520/mo age-27 avg sits in the bottom third of tracked federal-marketplace states. Corpus place #24 of 30 (highest premium = #1).

Floor-to-ceiling plan rates run $292–$1,012/mo (age 27). Cheapest published county Silver is Ashland at $484/mo.

Source: CMS Marketplace Public Use Files. Informational only; confirm options at HealthCare.gov. How we place states.

Where Ohio sits by plan inventory

Ohio lists 189 ACA marketplace plans among 30 federal-marketplace states (inventory signal, not a quality ranking).

Ohio vs all states by ACA plan count

Where this state's disclosed CMS Marketplace plan inventory sits among every tracked federal-marketplace state

189 6th of 30 higher than 24 of 30 states

States, banded by ACA marketplace plan count

Each bar is a band; taller bars hold more states. 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

Nationwide similar states

Similar issuer count

Top 5 most-expensive counties - Ohio (Silver avg) Horizontal bar chart of the top 5 items by value (USD/mo). Top 5 most-expensive counties - Ohio (Silver avg) 1. Knox $617 2. Washington $583 3. Madison $582 4. Athens $577 5. Marion $575 Top 5 Ohio counties ranked by average Silver-tier ACApremium (Plan Year 2026). Source: CMS Marketplace PublicUse Files.

Source: CMS Health Insurance Marketplace Public Use Files (Plan Year 2026) Ohio ACA marketplace premiums by county and metal tier (Plan Year 2026) · 2026 CMS publishes the Marketplace Public Use Files annually, covering the federal exchange and participating state-based exchanges. Premiums shown are pre-subsidy and reflect age-27 Silver averages.

Most Expensive Counties

# County Silver Avg Plans Issuers
1 Knox $617/mo 44 3
2 Washington $583/mo 59 4
3 Madison $582/mo 115 7
4 Athens $577/mo 66 4
5 Marion $575/mo 66 4

Most Affordable Counties

# County Silver Avg Plans Issuers
1 Ashland $484/mo 60 4
2 Butler $486/mo 130 8
3 Hamilton $486/mo 130 8
4 Warren $486/mo 130 8
5 Geauga $495/mo 105 7

Lower list rates still need metal-tier fit: Bronze vs Silver vs Gold.

All Counties in Ohio

County Silver Avg Bronze Avg Gold Avg Plans Issuers YoY
Adams $525 $409 $634 99 6 +24.1%
Allen $517 $414 $620 99 6 +17.6%
Ashland $484 $385 $592 60 4 +14.6%
Ashtabula $500 $406 $582 74 5 +15.6%
Athens $577 $471 $717 66 4 +19.3%
Auglaize $507 $411 $609 82 5 +14.3%
Belmont $513 $411 $610 82 5 +12.7%
Brown $500 $388 $612 130 8 +18.0%
Butler $486 $377 $599 130 8 +19.5%
Carroll $501 $408 $589 113 7 +10.2%
Champaign $509 $402 $627 130 8 +14.5%
Clark $509 $402 $627 130 8 +14.5%
Clermont $500 $388 $612 130 8 +20.3%
Clinton $506 $393 $616 115 7 +21.6%
Columbiana $512 $394 $618 99 6 +19.8%
Coshocton $503 $399 $633 97 6 +6.2%
Crawford $556 $452 $694 66 4 +12.5%
Cuyahoga $509 $407 $592 119 8 +20.9%
Darke $509 $402 $627 130 8 +14.4%
Defiance $500 $391 $599 121 8 +21.4%
Delaware $553 $437 $687 113 7 +20.2%
Erie $514 $395 $617 99 6 +13.3%
Fairfield $553 $437 $687 113 7 +20.2%
Fayette $566 $449 $701 98 6 +21.3%
Franklin $569 $446 $705 130 8 +22.7%
Fulton $507 $397 $590 102 7 +20.1%
Gallia $547 $428 $681 81 5 +17.8%
Geauga $495 $403 $574 105 7 +17.6%
Greene $509 $402 $627 130 8 +15.2%
Guernsey $520 $417 $655 81 5 +11.0%
Hamilton $486 $377 $599 130 8 +19.5%
Hancock $507 $411 $609 82 5 +15.2%
Hardin $514 $410 $623 114 7 +15.3%
Harrison $528 $434 $618 98 6 +13.5%
Henry $507 $397 $590 102 7 +17.7%
Highland $506 $393 $616 115 7 +18.6%
Hocking $539 $431 $654 113 7 +15.5%
Holmes $513 $422 $632 97 6 +14.4%
Huron $514 $395 $617 99 6 +13.3%
Jackson $542 $426 $650 97 6 +21.1%
Jefferson $513 $411 $610 82 5 +12.7%
Knox $617 $464 $848 44 3 +45.1%
Lake $495 $403 $574 105 7 +17.0%
Lawrence $561 $442 $695 66 4 +19.0%
Licking $555 $436 $717 97 6 +19.2%
Logan $569 $446 $705 130 8 +19.9%
Lorain $497 $398 $580 138 9 +17.8%
Lucas $500 $391 $599 121 8 +19.2%
Madison $582 $458 $719 115 7 +24.0%
Mahoning $504 $388 $613 114 7 +18.3%
Marion $575 $467 $729 66 4 +15.3%
Medina $506 $409 $606 125 8 +18.5%
Meigs $569 $459 $712 81 5 +12.2%
Mercer $507 $411 $609 82 5 +15.2%
Miami $509 $402 $627 130 8 +14.4%
Monroe $510 $407 $616 97 6 +12.2%
Montgomery $509 $402 $627 130 8 +15.2%
Morgan $496 $394 $601 113 7 +11.2%
Morrow $540 $432 $655 98 6 +14.7%
Muskingum $520 $417 $655 81 5 +11.0%
Noble $510 $407 $616 97 6 +12.2%
Ottawa $514 $395 $617 99 6 +14.0%
Paulding $506 $407 $615 97 6 +15.1%
Perry $496 $394 $601 113 7 +11.2%
Pickaway $553 $437 $687 113 7 +20.2%
Pike $553 $436 $655 82 5 +23.2%
Portage $506 $409 $606 125 8 +18.0%
Preble $509 $402 $627 130 8 +14.4%
Putnam $506 $407 $615 97 6 +13.3%
Richland $556 $452 $694 66 4 +12.5%
Ross $553 $436 $655 82 5 +23.2%
Sandusky $514 $395 $617 99 6 +14.5%
Scioto $553 $436 $655 82 5 +23.2%
Seneca $510 $392 $619 114 7 +14.4%
Shelby $515 $408 $630 115 7 +15.5%
Stark $498 $406 $586 130 8 +13.9%
Summit $506 $409 $606 125 8 +18.0%
Trumbull $504 $388 $613 114 7 +18.3%
Tuscarawas $556 $461 $714 60 4 +13.1%
Union $569 $446 $705 130 8 +22.9%
Van Wert $507 $411 $609 82 5 +15.2%
Vinton $525 $412 $633 113 7 +19.8%
Warren $486 $377 $599 130 8 +19.5%
Washington $583 $460 $762 59 4 +14.3%
Wayne $531 $445 $644 113 7 +20.5%
Williams $525 $399 $615 80 6 +22.1%
Wood $507 $397 $600 106 7 +20.6%
Wyandot $514 $395 $617 99 6 +13.3%

Frequently Asked Questions

Why is Ohio's average ACA premium in the lower band?
Ohio ranks #24 of 30 federal-marketplace states by average age-27 premium (highest = #1; CMS PUF sort). Statewide avg is $520/mo. See /methodology#corpus-placement.
What is the cheapest Silver county in Ohio?
Ashland is the lowest Silver average at $484/mo; Knox is highest at $617/mo.
How crowded is the Ohio issuer book?
11 issuers list 189 marketplace plans across 88 counties (top-third issuer density among tracked states).

Disclaimer: This page is for informational purposes only and does not constitute insurance or financial advice. Premiums shown are base rates for a 27-year-old non-tobacco user unless otherwise noted. Actual premiums vary by age, location, tobacco use, and subsidy eligibility. Source: CMS Marketplace PUF.

PlainHealthPlan is rendered directly from CMS Health Insurance Marketplace Public Use Files, no number is typed in by an editor. County premiums and issuer counts are aggregated live from the CMS PUF records for each marketplace year. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.