ACA Health Insurance in Grimes County, Texas. About 7,483 Medicare beneficiaries live here, with roughly 51 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.
Grimes County ACA Health Insurance — quick answer
Grimes County, TX has about 35,161 residents per the 2024 ACS 5-year estimates (19% 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.
Prefer to listen?
Free audio version, generated on demand by Google Cloud Text-to-Speech.
The Grimes County aca health insurance market
Grimes County has about 35,161 residents, 19% 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 Grimes 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).
Grimes County at a glance
Population (2024 ACS)
35,161
Medicare beneficiaries
7,483
MA penetration
51%
Age 65 or older
19%
What makes Grimes County different: Grimes County straddles the rural corridor between Bryan/College Station and Houston, with Navasota (the self-styled 'Blues Capital of Texas' and largest city) the commercial center while Anderson remains the historic county seat. The county's only hospital is the 25-bed CHI St. Joseph Health Grimes Hospital in Navasota, a critical access facility with a Level IV trauma designation.
Top carriers in Grimes County
UnitedHealthcare
4-star CMS rating
Humana
4-star CMS rating
WellCare (Centene)
3.5-star CMS rating
Devoted Health
4.5-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 Grimes 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. Grimes 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
â–¸CHI St. Joseph Health Grimes Hospital (Navasota)
Call each hospital's billing office directly — or use the carrier's
network tool on the right to search by hospital name.
Major hospitals: CHI St. Joseph Health Grimes Hospital (Navasota)
Frequently Asked Questions
How many people live in Grimes County?â–¾
Grimes County has about 35,161 residents per the 2024 ACS 5-year estimates; 19% are age 65 or older.
Who are the top insurers in Grimes County?â–¾
The largest carriers in Grimes County are UnitedHealthcare, Humana, WellCare (Centene), Devoted Health. 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 Grimes County?â–¾
Texas HICAP (1-800-252-9240) provides free unbiased Medicare counseling. Major hospitals in the county include CHI St. Joseph Health Grimes Hospital (Navasota).
How does Grimes County's unique location between Bryan/College Station and Houston affect my ACA plan options?â–¾
Grimes County, with its strategic position, offers diverse carrier choices like UnitedHealthcare and Humana. Residents can explore plans tailored to their needs through a free quote from our local licensed agent.
When should I enroll in an ACA Marketplace plan for under-65 Texans?â–¾
Enrollment periods include Annual Enrollment Period (AEP) from Oct 15 to Dec 7, Open Enrollment Periods, and Special Enrollments. Check your eligibility and get a personalized quote now.
Hey 👋 — I'm trained on every page of gironagency.com. Ask me anything
about Medicare, ACA, or life insurance and I'll cite the exact source. For specific quotes or applications, I'll send you to Matt.
Try one of these
Educational only — not medical or legal advice. We do not offer every plan in your area. Call 1-800-MEDICARE for all options.
