Boundary Atlas

ZIP code 77346: Atascocita, TX

ZIP code 77346 is in Atascocita (98% of residents) and Houston (2.4%), in Harris County, Texas. It is in Texas's 2nd congressional district (97%) and Texas's 29th congressional district (3.4%). Its state senate districts are State Senate District 15 (61%) and State Senate District 4 (39%); its state house districts are State House District 127 (97%) and State House District 142 (3.4%).

71,119residents (2020 Census)
17.9 sq miland area
2cities and towns
2congressional districts
20voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Atascocita98%
Houston2.4%

CountyShare of ZIP residents
Harris County100%

Town or county subdivisionShare of ZIP residents
Houston CCD100%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 2nd congressional district (TX-02)97%
Texas's 29th congressional district (TX-29)3.4%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TX-02)Dan Crenshaw (R)202-225-656597%
U.S. Representative (TX-29)Sylvia R. Garcia (D)202-225-16883.4%
U.S. SenatorJohn Cornyn (R)202-224-2934 · contact formstatewide
U.S. SenatorTed Cruz (R)202-224-5922 · contact formstatewide
State Senator (State Senate District 15)Molly Cook (Democratic)713-864-870161%
State Senator (State Senate District 4)Brett Ligon (R)39%
State Representative (State House District 127)Charles Cunningham (R)97%
State Representative (State House District 142)Harold Dutton (Democratic)713-692-91923.4%

Elected in 2024 under TX's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1561%
State Senate District 439%

State house districtShare of ZIP residents
State House District 12797%
State House District 1423.4%

Voting precincts

20 voting precincts overlap ZIP 77346. 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:77346")

ZIP 77346 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.