ACA Health Insurance in Aransas County, Texas. About 8,811 Medicare beneficiaries live here, with roughly 57 percent in Medicare Advantage plans. Top carriers include UnitedHealthcare and Humana. For free help comparing plans, call Giron Agency, a licensed Texas agency, or visit gironagency.com.
Aransas County ACA Health Insurance — quick answer
Aransas County, TX has about 26,606 residents per the 2024 ACS 5-year estimates (29% age 65 or older). The leading insurance carriers serving the county for aca health insurance include UnitedHealthcare, Humana, WellCare. We compare options at no cost to you.
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The Aransas County aca health insurance market
Aransas County has about 26,606 residents, 29% of them 65 or older. For aca health insurance, the carriers with the strongest local presence include UnitedHealthcare, Humana, WellCare — but the right fit depends on your household size, income, and which doctors you want to keep. We compare UnitedHealthcare against every other carrier serving Aransas 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).
Aransas County at a glance
Population (2024 ACS)
26,606
Medicare beneficiaries
8,811
MA penetration
57%
Age 65 or older
29%
What makes Aransas County different: Aransas County, on the Texas Coastal Bend around the resort town of Rockport-Fulton, is one of the state's most age-skewed counties, with roughly 28.7% of residents 65 or older and a median age above 52, driven by coastal retirees and Winter Texans. The county has no full-service hospital; ER 24/7 Rockport (a department of Corpus Christi Medical Center) provides emergency care, with full inpatient care in Corpus Christi.
Top carriers in Aransas County
UnitedHealthcare
4-star CMS rating
Humana
4-star CMS rating
WellCare
3.5-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 Aransas 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. Aransas County has 2
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
▸ER 24/7 Rockport (department of Corpus Christi Medical Center)
▸Corpus Christi Medical Center - Bay Area (Corpus Christi)
Call each hospital's billing office directly — or use the carrier's
network tool on the right to search by hospital name.
Major hospitals: ER 24/7 Rockport (department of Corpus Christi Medical Center), Corpus Christi Medical Center - Bay Area (Corpus Christi)
Frequently Asked Questions
How many people live in Aransas County?▾
Aransas County has about 26,606 residents per the 2024 ACS 5-year estimates; 29% are age 65 or older.
Who are the top insurers in Aransas County?▾
The largest carriers in Aransas County are UnitedHealthcare, Humana, WellCare. 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 Aransas County?▾
Texas HICAP (1-800-252-9240) provides free unbiased Medicare counseling. Major hospitals in the county include ER 24/7 Rockport (department of Corpus Christi Medical Center), Corpus Christi Medical Center - Bay Area (Corpus Christi).
How does the lack of a full-service hospital in Aransas County affect my ACA plan options?▾
With ER 24/7 Rockport being the nearest emergency care and Corpus Christi Medical Center providing full inpatient services, your ACA plan must cover out-of-network providers. This ensures you have access to necessary medical care when needed.
When can I enroll in Marketplace plans for Aransas County residents?▾
For most Aransas County residents, open enrollment periods are from November 1 to December 15 each year. Special enrollment periods may apply if you experience a qualifying life event.
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