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    v1.0.28
    OpenPayerStatesOhio
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    Ohio Health Insurance Market Analysis: Market Share, Payer Mix, and Coverage Trends

    Ohio's health insurance market is shaped by a few dominant payers, with Elevance Health Inc Group, UnitedHealth Group, and CareSource Group leading the landscape. The state features a robust employer-based coverage segment and a diverse demographic profile among the privately insured population.

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    State Overview

    Ohio has a total population of 11.6M residents. The state comprises 88 counties. The private insurance penetration rate is 67.7%. The estimated members covered by the top payer, Elevance Health Inc Group, is 1.47M.

    Insurance Market

    RankInsurerPremium WrittenEstimated Members CoveredMarket Share
    1Elevance Health Inc Group$11.3B1.47M18.69%
    2UnitedHealth Group$9.63B1.26M15.95%
    3CareSource Group$8.60B1.12M14.24%
    4CVS Group$6.88B898K11.4%
    5Humana Group

    Frequently Asked Questions

    References

    1. 1.S2703: Private Health Insurance Coverage by Type and Selected Characteristics. U.S. Census Bureau, 2024 American Community Survey 5-Year Estimates. Retrieved Aug 11, 2026.Annual estimates of private health insurance coverage rates by state, broken out by age, income, and plan type — the basis for this page's coverage-rate figures.
    2. 2.2024 Market Share Reports for the Top Accident and Health Insurance Groups and Companies by State and Countrywide. National Association of Insurance Commissioners (NAIC). Retrieved Aug 11, 2026.Ranks the largest accident and health insurance carriers by direct premiums written in each state, used to identify the dominant payers operating there.
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    Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

    Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

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    $4.64B
    606K
    7.69%
    6Centene Corp Group$3.97B517K6.57%
    7Medical Mutual of Ohio Group$3.58B467K5.93%
    8Molina Healthcare Inc Group$3.16B412K5.24%
    9Independence Health Group Inc Group$910M119K1.51%
    10Devoted Health Group$627M82K1.04%

    Ohio's health insurance market is dominated by a small number of large insurers. Elevance Health Inc Group holds the largest share, followed by UnitedHealth Group and CareSource Group. These three payers collectively cover a substantial portion of the privately insured population, reflecting the state's concentrated market structure.

    CVS Group, Humana Group, and Centene Corp Group also play significant roles, each with market shares above 5%. The remaining top ten insurers, including Medical Mutual of Ohio Group, Molina Healthcare Inc Group, Independence Health Group Inc Group, and Devoted Health Group, contribute smaller but notable shares. The cumulative market share of the top ten exceeds 88%, underscoring the limited presence of smaller carriers and the dominance of established organizations.

    This concentration impacts the competitive dynamics and shapes the reimbursement environment for providers and health systems across Ohio.

    Insured Population Demographics

    Coverage TypeCountShare of Privately Insured
    Employer-Based5.64M71.6%
    Direct-Purchase523K6.64%
    TRICARE54.6K0.69%
    CHIP/Subsidized130K1.65%

    The majority of privately insured Ohioans are covered through employer-based plans, which account for over 70% of the privately insured population. Direct-purchase coverage represents a smaller segment, while TRICARE and CHIP/subsidized programs cover less than 2% each of the privately insured population.

    Ohio's privately insured population is distributed across all age bands, with the largest segments in the 45-54 and 55-64 ranges. The presence of CHIP/subsidized coverage highlights the state's support for children and lower-income families, while TRICARE provides coverage for military-affiliated individuals.

    Market Dynamics

    Ohio's health insurance market is characterized by a high degree of concentration among a handful of major payers. The top three insurers—Elevance Health Inc Group, UnitedHealth Group, and CareSource Group—collectively account for nearly half of the market share. This concentration suggests that a significant portion of privately insured residents are covered by these dominant organizations, shaping the competitive landscape and influencing reimbursement dynamics across the state.

    Elevance Health Inc Group leads the market, followed closely by UnitedHealth Group and CareSource Group. CVS Group and Humana Group also hold substantial shares, further reinforcing the presence of national and regional players. The cumulative market share of the top ten insurers exceeds 88%, indicating limited room for smaller carriers and a relatively stable payer environment.

    The demographic profile of Ohio's privately insured population reveals a broad age distribution, with notable concentrations in the middle-aged bands. Employer-based coverage remains the primary source of insurance, reflecting the state's employment patterns and the prevalence of group health plans. Direct-purchase and subsidized options provide additional access, but their overall share is modest compared to employer-based coverage.

    Overall, Ohio's insurance market is shaped by a combination of payer concentration and diverse demographic coverage. The dominance of a few large insurers, coupled with a robust employer-based insurance segment, defines the state's health insurance landscape and impacts the structure of reimbursement and access to care.

    Top 10 Health Insurers by Market Share in Ohio
    Privately Insured Population by Age Band in Ohio