The Washington County Texas map covers an East Central Texas county with Brenham, Burton, Chappell Hill, Independence, Washington-on-the-Brazos, the Brazos River, Lake Somerville, farms, ranches, and rolling prairie.
The U.S. Census Bureau estimated 38,288 residents on July 1, 2025, a 7.0% increase from the April 2020 estimates base. Brenham is the county seat.
Table of Contents
Map Coverage and Three A3 Versions
The download includes color, black-and-white, and outline maps. The labeled versions locate selected cities, communities, rivers, lake, historic sites, and rural areas.
This Washington County Texas map focuses on the county boundary and its relationship to Brazos, Grimes, Waller, Austin, Fayette, Lee, and Burleson counties. It is not a road atlas, flood map, lake-depth chart, detailed municipal-boundary map, or parcel survey.
| Item | Verified Detail |
|---|---|
| Location | East Central Texas |
| County Seat | Brenham |
| 2025 Population Estimate | 38,288 |
| Incorporated Cities | Brenham and Burton |
| Major Communities | Chappell Hill, Washington, Independence, and Gay Hill |
| Natural Features | Brazos River, Yegua Creek, Lake Somerville, and rolling prairie |
| Regional Character | Agriculture and ranching, food production, heritage tourism, lake recreation, and rural housing |
Brenham and County Government
Brenham is the county seat and contains the courthouse, principal county offices, schools, healthcare, a historic downtown, and regional commerce.
U.S. Route 290 connects Brenham with Houston and Austin, while surrounding roads serve farms, ranches, and small communities.
Burton and Western Washington County
Burton is a small incorporated city in western Washington County with a historic center, agricultural and ranching activity, and local festivals.
Farm roads and private-property boundaries require current official records.
Washington-on-the-Brazos and Texas History
Washington-on-the-Brazos State Historic Site stands near the Brazos River and is associated with the 1836 Texas Declaration of Independence.
Park operations, exhibits, and event schedules can change, so current official information should be checked before travel.
Lake Somerville and Outdoor Recreation
Lake Somerville is a reservoir on Yegua Creek extending into Burleson, Lee, and Washington counties. Fishing, boating, camping, hiking, and horseback riding are common activities.
Texas Parks and Wildlife manages state-park units and a trailway around portions of the lake. Current water level, park alerts, and access conditions should be checked before travel.
Brazos River and Rural Landscapes
The Brazos River follows the county’s eastern side and shapes floodplain, farmland, ranch, and historic-settlement landscapes.
Water levels and flood conditions can change, so current official information is required for river access and emergency decisions.
Color Map
The color version separates Washington County from neighboring counties and helps show Brenham, Burton, historic communities, the Brazos River, Lake Somerville, and rural areas.

Black-and-White Map
The black-and-white map retains the county outline and selected place names for grayscale printing.

Outline Map
The outline version contains boundary lines without labels or fills, allowing custom notes and place names.

Download the Washington County Maps
The Washington County Texas map download contains three A3 JPG versions. Current official records should be used for legal, traffic, flood, lake navigation, emergency, municipal-boundary, and property decisions.
County Map File Information
This download includes color, black-and-white, and outline maps.
- Included Versions: Color, Black and White, Outline
- File Type: JPG
- Page Size: A3
Frequently Asked Questions
What is the county seat of Washington County?
Brenham is the county seat.
Which cities are incorporated?
Brenham and Burton are incorporated.
Which natural and historic places are best known?
The Brazos River, Lake Somerville, and Washington-on-the-Brazos are major features.
References
U.S. Census Bureau QuickFacts supplied the 2025 population estimate and growth rate.
Washington County’s official website supplied county-government and city information.
Texas Parks and Wildlife’s Lake Somerville State Park guide supplied lake and recreation information.
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Green Map creates custom-edited map images using open geographic data sources such as geoBoundaries, Natural Earth, OpenStreetMap, and government open data.
These maps are edited visual materials, not raw data files, and are provided for education, documents, presentations, and graphic reference.





