Boundary Atlas

ZIP code 77950: Austwell, TX

ZIP code 77950 is in Austwell (74% of residents), in Refugio County (88%) and Aransas County (12%), Texas. 26% of its residents live outside city limits. It is in Texas's 27th congressional district. Its state senate district is State Senate District 18; its state house districts are State House District 43 (88%) and State House District 32 (12%).

159residents (2020 Census)
140.3 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Austwell74%

CountyShare of ZIP residents
Refugio County88%
Aransas County12%

Town or county subdivisionShare of ZIP residents
Austwell-Tivoli CCD88%
Fulton CCD12%

Congressional district

Congressional districtShare of ZIP residents
Texas's 27th congressional district (TX-27)100%
Texas's 15th congressional district (TX-15)land only

State legislative districts

State senate districtShare of ZIP residents
State Senate District 18100%

State house districtShare of ZIP residents
State House District 4388%
State House District 3212%

Voting precincts

3 voting precincts overlap ZIP 77950. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:77950")

ZIP 77950 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.