Boundary Atlas

ZIP code 77066: Harris County, TX

ZIP code 77066 is in Houston (1.4% of residents), in Harris County, Texas. 99% of its residents live outside city limits. It is in Texas's 29th congressional district (89%) and Texas's 2nd congressional district (11%). Its state senate district is State Senate District 15; its state house districts are State House District 139 (50%), State House District 148 (38%) and State House District 126 (12%).

34,443residents (2020 Census)
8.6 sq miland area
1cities and towns
2congressional districts
11voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Houston1.4%

CountyShare of ZIP residents
Harris County100%

Town or county subdivisionShare of ZIP residents
Northwest Harris CCD89%
Houston CCD11%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 29th congressional district (TX-29)89%
Texas's 2nd congressional district (TX-02)11%

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-29)Sylvia R. Garcia (D)202-225-168889%
U.S. Representative (TX-02)Dan Crenshaw (R)202-225-656511%
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)713-864-8701100%
State Representative (State House District 139)Charlene Ward Johnson (Democratic)50%
State Representative (State House District 148)Penny Morales Shaw (Democratic)713-861-672138%
State Representative (State House District 126)Sam Harless (R)12%

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 15100%

State house districtShare of ZIP residents
State House District 13950%
State House District 14838%
State House District 12612%

Voting precincts

11 voting precincts overlap ZIP 77066. 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:77066")

ZIP 77066 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.