- county
- FIPS 48015
- Largest town: Sealy
Austin County, Texas
Austin County had 32,546 residents in the Census Vintage 2024 estimate, on 646.5 square miles of land. It ranks 90th of 254 in Texas by population and 224th by land area.
- Population
- 32,546
- #90 of 254 in Texas · #1,380 in US
- Area
- 646.5 sq mi
- #224 of 254 in Texas · #1,465 in US
- Density
- 50 / sq mi
- #82 of 254 in Texas · #1,460 in US
- Median household income
- $73,248
- #46 of 254 in Texas · #770 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
Measure from here
Tools and pages that start from Austin County
Austin County population, land area and income
Austin County had 32,546 residents in the Census Vintage 2024 estimate, on 646.5 square miles of land. It ranks 90th of 254 in Texas by population and 224th by land area. That works out to 50.3 people per square mile, below the US average of 96.3, and above the national county median.
The median county-equivalent in Texas has 19,267 residents; Austin County is somewhat larger.
Its SAIPE 2023 median household income of $73,248 is in the top quarter among 3,143 counties with an estimate.
National rank among 3,144
Population
32,546
1380th of 3,144 (US)
Land area
647 sq mi
1465th of 3,144 (US)
Density
50.3 / sq mi
1460th of 3,144 (US)
Median household income
$73,248
770th of 3,143 (US)
Rank within Texas (254)
Population
32,546
90th of 254 (TX)
Land area
647 sq mi
224th of 254 (TX)
Density
50.3 / sq mi
82nd of 254 (TX)
Median household income
$73,248
46th of 254 (TX)
How Austin County's population changed since 2020
Austin County gained 2,411 residents between the July 2020 and July 2024 estimates, a rise of 8.0%. That ranks 43rd 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, Austin County recorded 1,517 births and 1,546 deaths, a natural change of -29. Net international migration added +181 and net domestic migration, people moving to or from other US counties, came to +2,212. The largest single component was domestic migration, which added 2,212 people.
Components of change, April 2020 to July 2024
- Births
- 1,517
- Deaths
- 1,546
- Net international migration
- +181
- Net domestic migration
- +2,212
- Change, July 2023 to July 2024
- +885
Where Austin County is
The Census internal point of Austin County is at 29.891900, -96.270200. It sits in UTM zone 14N. The map shades Texas's 254 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Austin 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: Austin County internal point. Dark pin: Austin.
Internal point
- Decimal
- 29.891900, -96.270200
- DMS
- 29°53'30.84"N 96°16'12.72"W
- UTM
- 14N 763618.3E 3309938.3N
- Geohash
- 9v7d13dhv
- Plus code
- 76X5VPRH+QW
Towns in Austin County
3 incorporated places of 1,000+ people have residents in Austin County, 13,204 people together, or 41% of the county. Each figure counts only the part of the town inside Austin County; towns marked "part" extend into another county. The largest is Sealy with 7,553.
Counties bordering Austin County
The Census 2024 county adjacency file lists 6 neighbors for Austin County. The most populous is Fort Bend County, TX, with 958,434 residents. Distances run between Census internal points in a straight line.
Distance to Austin and the nearest big city
Austin is 91.8 miles WNW of Austin County's internal point in a straight line. The nearest place of 100,000 or more is Sugar Land, TX (population 109,851), 43.4 miles away. The nearest place of 10,000 or more is Brenham, TX (population 19,728), 19.9 miles away.
Austin County FIPS code
The FIPS code of Austin County is 48015: state code 48 for Texas plus county code 015. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $73,248.
Questions people ask
What is the population of Austin County, Texas?
The Census Vintage 2024 estimate for July 1, 2024 is 32,546. That is up 2,411 people (8.0%) from the July 2020 estimate of 30,135.
What is the FIPS code of Austin County?
48015. The first two digits (48) are Texas; the last three (015) identify the county.
What is the largest town in Austin County?
Sealy, with 7,553 residents inside Austin County in 2024.
Which counties border Austin County?
6 county-equivalents border it in the Census 2024 adjacency file: Fort Bend County, TX; Waller County, TX; Wharton County, TX; Washington County, TX; Fayette County, TX; Colorado 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.