- county
- FIPS 48477
- Largest town: Brenham
Washington County, Texas
Washington County had 37,810 residents in the Census Vintage 2024 estimate, on 604.2 square miles of land. It ranks 86th of 254 in Texas by population and 228th by land area.
- Population
- 37,810
- #86 of 254 in Texas · #1,244 in US
- Area
- 604.2 sq mi
- #228 of 254 in Texas · #1,613 in US
- Density
- 63 / sq mi
- #68 of 254 in Texas · #1,271 in US
- Median household income
- $67,927
- #72 of 254 in Texas · #1,133 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Washington County population, land area and income
Washington County had 37,810 residents in the Census Vintage 2024 estimate, on 604.2 square miles of land. It ranks 86th of 254 in Texas by population and 228th by land area. That works out to 62.6 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; Washington County is somewhat larger.
Its SAIPE 2023 median household income of $67,927 is above the national county median among 3,143 counties with an estimate.
National rank among 3,144
Population
37,810
1244th of 3,144 (US)
Land area
604 sq mi
1613th of 3,144 (US)
Density
62.6 / sq mi
1271st of 3,144 (US)
Median household income
$67,927
1133rd of 3,143 (US)
Rank within Texas (254)
Population
37,810
86th of 254 (TX)
Land area
604 sq mi
228th of 254 (TX)
Density
62.6 / sq mi
68th of 254 (TX)
Median household income
$67,927
72nd of 254 (TX)
How Washington County's population changed since 2020
Washington County gained 2,008 residents between the July 2020 and July 2024 estimates, a rise of 5.6%. That ranks 70th 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, Washington County recorded 1,504 births and 1,966 deaths, a natural change of -462. Net international migration added +332 and net domestic migration, people moving to or from other US counties, came to +2,073. The largest single component was domestic migration, which added 2,073 people.
Components of change, April 2020 to July 2024
- Births
- 1,504
- Deaths
- 1,966
- Net international migration
- +332
- Net domestic migration
- +2,073
- Change, July 2023 to July 2024
- +524
Where Washington County is
The Census internal point of Washington County is at 30.215100, -96.410300. 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 Washington 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: Washington County internal point. Dark pin: Austin.
Internal point
- Decimal
- 30.215100, -96.410300
- DMS
- 30°12'54.36"N 96°24'37.08"W
- UTM
- 14N 749272.4E 3345456.8N
- Geohash
- 9v77yhkpt
- Plus code
- 86256H8Q+2V
Towns in Washington County
One incorporated place of 1,000+ people has residents in Washington County, 19,728 people together, or 52% of the county. Each figure counts only the part of the town inside Washington County; towns marked "part" extend into another county. The largest is Brenham with 19,728.
- 01Brenham19,728
Counties bordering Washington County
The Census 2024 county adjacency file lists 7 neighbors for Washington County. The most populous is Brazos County, TX, with 249,624 residents. Distances run between Census internal points in a straight line.
Distance to Austin and the nearest big city
Austin is 79.5 miles W of Washington County's internal point in a straight line. The nearest place of 100,000 or more is College Station, TX (population 128,023), 26.5 miles away. The nearest place of 10,000 or more is Brenham, TX (population 19,728), 4.0 miles away.
Washington County FIPS code
The FIPS code of Washington County is 48477: state code 48 for Texas plus county code 477. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $67,927.
Questions people ask
What is the population of Washington County, Texas?
The Census Vintage 2024 estimate for July 1, 2024 is 37,810. That is up 2,008 people (5.6%) from the July 2020 estimate of 35,802.
What is the FIPS code of Washington County?
48477. The first two digits (48) are Texas; the last three (477) identify the county.
What is the largest town in Washington County?
Brenham, with 19,728 residents inside Washington County in 2024.
Which counties border Washington County?
7 county-equivalents border it in the Census 2024 adjacency file: Brazos County, TX; Waller County, TX; Grimes County, TX; Austin County, TX; Fayette County, TX; Burleson County, TX; Lee 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.