ACA Health Insurance in Guadalupe County, Texas. About 35,216 Medicare beneficiaries live here, with roughly 47 percent in Medicare Advantage plans. Top carriers include UnitedHealthcare / AARP Medicare Advantage and Humana Gold Plus H0028-030. For free help comparing plans, call Giron Agency, a licensed Texas agency, or visit gironagency.com.
Guadalupe County ACA Health Insurance — quick answer
Guadalupe County, TX has about 195,200 residents per the 2024 ACS 5-year estimates (15% age 65 or older). The leading insurance carriers serving the county for aca health insurance include UnitedHealthcare / AARP Medicare Advantage, Humana Gold Plus H0028-030, Aetna. We compare options at no cost to you.
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The Guadalupe County aca health insurance market
Guadalupe County has about 195,200 residents, 15% of them 65 or older. For aca health insurance, the carriers with the strongest local presence include UnitedHealthcare / AARP Medicare Advantage, Humana Gold Plus H0028-030, Aetna — but the right fit depends on your household size, income, and which doctors you want to keep. We compare UnitedHealthcare / AARP Medicare Advantage against every other carrier serving Guadalupe 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).
Guadalupe County at a glance
Population (2024 ACS)
195,200
Medicare beneficiaries
35,216
MA penetration
47%
Age 65 or older
15%
What makes Guadalupe County different: Guadalupe County, anchored by Seguin and the booming Schertz/Cibolo corridor northeast of San Antonio, is among Texas's fastest-growing counties. Seguin's not-for-profit Guadalupe Regional Medical Center (700+ employees, 100+ physicians, 35+ specialties) is the county's lead community hospital, and Medicare Advantage penetration sits near 32%.
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 Guadalupe 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. Guadalupe County has 1
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
▸Guadalupe Regional Medical Center (Seguin)
Call each hospital's billing office directly — or use the carrier's
network tool on the right to search by hospital name.
Major hospitals: Guadalupe Regional Medical Center (Seguin)
Frequently Asked Questions
How many people live in Guadalupe County?▾
Guadalupe County has about 195,200 residents per the 2024 ACS 5-year estimates; 15% are age 65 or older.
Who are the top insurers in Guadalupe County?▾
The largest carriers in Guadalupe County are UnitedHealthcare / AARP Medicare Advantage (TX-21 Essentials & TX-28 Extras, HMO-POS), Humana Gold Plus H0028-030 (HMO), Aetna, 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 Guadalupe County?▾
Texas HICAP (Health Information, Counseling and Advocacy Program) (1-800-252-9240) provides free unbiased Medicare counseling. Major hospitals in the county include Guadalupe Regional Medical Center (Seguin).
How do I know if I qualify for subsidies in Guadalupe County?▾
Over 70% of residents in Guadalupe County qualify for subsidies when enrolling in ACA health insurance through Giron Agency. Contact us to verify your eligibility.
When is the best time to enroll in ACA plans for under-65 Texans and Floridians?▾
For Guadalupe County, Texas residents, open enrollment periods (AEP Oct 15-Dec 7) are key. However, special enrollment periods may be available if you experience a qualifying life event.
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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.
