Grimes County, Texas
Grimes County, Texas, has 34,252 residents (July 2025 estimate). Its county seat is Anderson. It uses Central Time and covers 787 sq mi (2,040 km²) of land.
- Resident population, July 2025
- 34,252
- Land area
- 787 sq mi (2,040 km²)
- County seat or government
- Anderson
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $69,803 ± $4,947
- Median home value
- $237,400 ± $16,183
- Median rent, with utilities
- $1,069 ± $123
- Homes lived in by their owners
- 79.9% ± 2.3 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: College Station-Bryan, TX metro area, Huntsville, TX micro area, Brenham, TX micro area, and Houston-Pasadena-The Woodlands, TX metro area
- Water area
- 14.1 sq mi (36.6 km²)
- State
- Texas
- County code (FIPS)
- 48185
- Coordinates (central point)
- 30.543231, -95.988082
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Grimes County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 7731634,694 people
- 7735632,583 people
- 7786818,416 people
- 7748414,348 people
- 778313,676 people
- 773633,468 people
- 778303,238 people
- 778613,065 people
- 778722,026 people
- 778731,383 people
- 7787634 people
- 778750 people
12 ZIP Code areas overlap Grimes County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
Grimes County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Grimes County, largest first
- Navasota Independent School District22,854 people
- Madisonville Consolidated Independent School District12,418 people
- Anderson-Shiro Consolidated Independent School District4,686 people
- Iola Independent School District3,330 people
- Richards Independent School District2,146 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Navasota, Texas (city)8,542 people
- Plantersville, Texas (city)579 people
- Bedias, Texas (city)478 people
- Iola, Texas (city)372 people
- Pinebrook, Texas (CDP)307 people
- Anderson, Texas (city)202 people
- Shiro, Texas (CDP)159 people
- Todd Mission, Texas (city)132 people
- Richards, Texas (CDP)67 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Brazos County, Texas20 mi northwest
- Walker County, Texas28 mi northeast
- Madison County, Texas29 mi north
- Montgomery County, Texas33 mi southeast
- Washington County, Texas34 mi southwest
- Waller County, Texas37 mi south
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
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