- county
- FIPS 48185
- Largest town: Navasota
Grimes County, Texas
Grimes County had 33,448 residents in the Census Vintage 2024 estimate, on 787.5 square miles of land. It ranks 88th of 254 in Texas by population and 200th by land area.
- Population
- 33,448
- #88 of 254 in Texas · #1,354 in US
- Area
- 787.5 sq mi
- #200 of 254 in Texas · #1,095 in US
- Density
- 42 / sq mi
- #89 of 254 in Texas · #1,617 in US
- Median household income
- $64,708
- #87 of 254 in Texas · #1,400 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Grimes County population, land area and income
Grimes County had 33,448 residents in the Census Vintage 2024 estimate, on 787.5 square miles of land. It ranks 88th of 254 in Texas by population and 200th by land area. That works out to 42.5 people per square mile, below the US average of 96.3, and below the national county median.
The median county-equivalent in Texas has 19,267 residents; Grimes County is somewhat larger.
Its SAIPE 2023 median household income of $64,708 is above the national county median among 3,143 counties with an estimate.
National rank among 3,144
Population
33,448
1354th of 3,144 (US)
Land area
787 sq mi
1095th of 3,144 (US)
Density
42.5 / sq mi
1617th of 3,144 (US)
Median household income
$64,708
1400th of 3,143 (US)
Rank within Texas (254)
Population
33,448
88th of 254 (TX)
Land area
787 sq mi
200th of 254 (TX)
Density
42.5 / sq mi
89th of 254 (TX)
Median household income
$64,708
87th of 254 (TX)
How Grimes County's population changed since 2020
Grimes County gained 4,010 residents between the July 2020 and July 2024 estimates, a rise of 13.6%. That ranks 23rd of 254 in Texas for growth. The median Texas county changed by +2.1%, and the state as a whole by +7.0%.
Since the April 2020 estimates base, Grimes County recorded 1,572 births and 1,582 deaths, a natural change of -10. Net international migration added +104 and net domestic migration, people moving to or from other US counties, came to +3,999. The largest single component was domestic migration, which added 3,999 people.
Components of change, April 2020 to July 2024
- Births
- 1,572
- Deaths
- 1,582
- Net international migration
- +104
- Net domestic migration
- +3,999
- Change, July 2023 to July 2024
- +921
Where Grimes County is
The Census internal point of Grimes County is at 30.543200, -95.988100. It sits in UTM zone 15N. The map shades Texas's 254 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Grimes County outlined. Dots are towns of 1,000+ people with residents in it.
- < -2.0%
- < +0.8%
- < +3.7%
- < +6.9%
- ≥ +6.9%
Orange pin: Grimes County internal point. Dark pin: Austin.
Internal point
- Decimal
- 30.543200, -95.988100
- DMS
- 30°32'35.52"N 95°59'17.16"W
- UTM
- 15N 213323.9E 3382779.9N
- Geohash
- 9v7tz8px5
- Plus code
- 8626G2V6+7Q
Towns in Grimes County
One incorporated place of 1,000+ people has residents in Grimes County, 9,471 people together, or 28% of the county. Each figure counts only the part of the town inside Grimes County; towns marked "part" extend into another county. The largest is Navasota with 9,471.
- 01Navasota9,471
Counties bordering Grimes County
The Census 2024 county adjacency file lists 6 neighbors for Grimes County. The most populous is Montgomery County, TX, with 749,613 residents. Distances run between Census internal points in a straight line.
Distance to Austin and the nearest big city
Austin is 106.0 miles W of Grimes County's internal point in a straight line. The nearest place of 100,000 or more is College Station, TX (population 128,023), 18.6 miles away.
Grimes County FIPS code
The FIPS code of Grimes County is 48185: state code 48 for Texas plus county code 185. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $64,708.
Questions people ask
What is the population of Grimes County, Texas?
The Census Vintage 2024 estimate for July 1, 2024 is 33,448. That is up 4,010 people (13.6%) from the July 2020 estimate of 29,438.
What is the FIPS code of Grimes County?
48185. The first two digits (48) are Texas; the last three (185) identify the county.
What is the largest town in Grimes County?
Navasota, with 9,471 residents inside Grimes County in 2024.
Which counties border Grimes County?
6 county-equivalents border it in the Census 2024 adjacency file: Montgomery County, TX; Brazos County, TX; Walker County, TX; Waller County, TX; Washington County, TX; Madison County, TX.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.