ACA Health Insurance in Dallas County, Texas. About 362,489 Medicare beneficiaries live here, with roughly 55 percent in Medicare Advantage plans. Top carriers include Humana Gold Plus H4007 and Cigna TotalCare H4513. For free help comparing plans, call Giron Agency, a licensed Texas agency, or visit gironagency.com.
Dallas County, TX has about 2,613,539 residents per the 2024 ACS 5-year estimates (11% age 65 or older). The leading insurance carriers serving the county for aca health insurance include Humana Gold Plus H4007, Cigna TotalCare H4513, Wellpoint Texas Group. We compare options at no cost to you.
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The Dallas County aca health insurance market
Dallas County has about 2,613,539 residents, 11% of them 65 or older. For aca health insurance, the carriers with the strongest local presence include Humana Gold Plus H4007, Cigna TotalCare H4513, Wellpoint Texas Group — but the right fit depends on your household size, income, and which doctors you want to keep. We compare Humana Gold Plus H4007 against every other carrier serving Dallas County at no cost, because the plan with the lowest sticker premium is rarely the one with the lowest total annual cost once subsidies, deductibles, and your prescriptions are factored in. Medicare Advantage enrollment figures reflect the latest CMS data (May 2026).
Dallas County at a glance
Population (2024 ACS)
2,613,539
Medicare beneficiaries
362,489
MA penetration
55%
Age 65 or older
11%
What makes Dallas County different: Humana holds ≥50% of all MA enrollees in Dallas County — among the most concentrated MA markets in the U.S. per KFF.
Top carriers in Dallas County
Humana Gold Plus H4007 (HMO)
4-star CMS rating
Cigna TotalCare H4513 (HMO D-SNP)
4-star CMS rating
Wellpoint Texas Group (PPO)
4-star CMS rating
Source: CMS Monthly MA Enrollment by State/County/Contract (latest Q1 2024). Enrollment figures refresh monthly at data.cms.gov.
Before you enroll: verify your hospital + doctor in Dallas County
Each ACA Health Insurance plan builds its own provider network — a hospital that's in-network
on one plan may be out-of-network on another. Dallas County has 3
major hospital systems. Before you enroll, check that your preferred hospital and physicians
participate in the specific plan you're considering.
Major hospitals to verify
▸UT Southwestern Medical Center
▸Parkland Health
▸Baylor University Medical Center
Call each hospital's billing office directly — or use the carrier's
network tool on the right to search by hospital name.
Major hospitals: UT Southwestern Medical Center, Parkland Health, Baylor University Medical Center
Frequently Asked Questions
How many people live in Dallas County?▾
Dallas County has about 2,613,539 residents per the 2024 ACS 5-year estimates; 11% are age 65 or older.
Who are the top insurers in Dallas County?▾
The largest carriers in Dallas County are Humana Gold Plus H4007 (HMO), Cigna TotalCare H4513 (HMO D-SNP), Wellpoint Texas Group (PPO). We work with all of them and a few smaller carriers that often have better rates for specific situations.
What state resources are available in Dallas County?▾
TX HICAP — Dallas Area Agency on Aging (1-800-252-9240) provides free unbiased Medicare counseling. Major hospitals in the county include UT Southwestern Medical Center, Parkland Health, Baylor University Medical Center.
Why is Humana so popular in Dallas County?▾
Humana holds more than 50% of Medicare Advantage enrollees in Dallas County, making it the most dominant carrier. This high concentration can mean easier access to local providers and services.
When should I enroll in ACA health insurance?▾
Open Enrollment Period (OEP) is from Nov 15 to Dec 7 each year. However, you may also qualify for Special Enrollment Periods (SEPs) if there are life changes like losing your job-based coverage or getting married.
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Educational only — not medical or legal advice. We do not offer every plan in your area. Call 1-800-MEDICARE for all options.