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Grimes County, Texas

Updated · Data: U.S. Census Bureau

Grimes County, Texas has its county seat in Anderson and FIPS code 48185. About 30,385 people live here, the 95th most populated of the 254 Texas counties.

County seatAnderson
FIPS code48185 (Texas 48 + county 185) · all Texas FIPS codes
Population30,385 (95th of 254)
Land area787.5 sq mi (200th largest; + 14.1 sq mi water)
People per sq mi38.6
Time zoneCentral time (America/Chicago)
Median home value$226,600
Median property tax paid$2,480 a year (about 1.09% of the median home value: our calculation, not an official rate)
Official websitegrimescountytexas.gov

What counties border Grimes County?

Grimes County shares a border with 6 counties:

What cities and towns are in Grimes County?

1 places with 1,000+ people have residents here; together they hold about 27% of the county's population. The rest live in smaller communities and rural areas.

PlacePopulationResidents in this county
Navasota8,170100.0%

CDP = census-designated place: a named community with no city government.

What ZIP codes are in Grimes County?

11 ZIP code areas with residents touch Grimes County; the ones marked * cross into another county.

Check an exact address with the address lookup, look up a ZIP code, or see how to confirm your county with official records.

Sources: Census TIGER/Line 2024 (boundary, area, neighbors); ACS 2019-2023 5-year (population, home value, taxes paid); Wikidata, CC0 (seat, website); timezone-boundary-builder (time zone). Data as of November 1, 2026. Not affiliated with any government agency.

FAQ

Frequently asked questions

What is the county seat of Grimes County, Texas?
Anderson.
What is the FIPS code for Grimes County?
48185. The first two digits (48) are Texas; the last three (185) are the county.
What counties border Grimes County?
Brazos County, Madison County, Montgomery County, Walker County, Waller County, Washington County.
How many people live in Grimes County?
About 30,385 (ACS 2019-2023 5-year estimate), the 95th most of the 254 Texas counties.
What time zone is Grimes County in?
Central time (America/Chicago).
What is the largest city in Grimes County?
Navasota, with about 8,170 people (counting all of it, including any part in another county).

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