Boundary Atlas

ZIP code 77091: Houston, TX

ZIP code 77091 is in Houston, in Harris County, Texas. It is in Texas's 29th congressional district. Its state senate districts are State Senate District 15 (89%) and State Senate District 6 (11%); its state house districts are State House District 139 (83%), State House District 145 (8.5%), State House District 148 (5.5%) and State House District 140 (2.8%).

28,020residents (2020 Census)
7.1 sq miland area
1cities and towns
1congressional district
17voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Houston100%

CountyShare of ZIP residents
Harris County100%

Town or county subdivisionShare of ZIP residents
Houston CCD100%

Congressional district

Congressional districtShare of ZIP residents
Texas's 29th congressional district (TX-29)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1589%
State Senate District 611%

State house districtShare of ZIP residents
State House District 13983%
State House District 1458.5%
State House District 1485.5%
State House District 1402.8%

Voting precincts

17 voting precincts overlap ZIP 77091. Map them, with each precinct's share of the ZIP's residents.

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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:77091")

ZIP 77091 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.