ZIP code 77503: Pasadena, TX
ZIP code 77503 is in Pasadena, in Harris County, Texas. It is in Texas's 9th congressional district. Its state senate districts are State Senate District 6 (60%) and State Senate District 11 (40%); its state house districts are State House District 144 (66%), State House District 129 (18%) and State House District 128 (16%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Pasadena | 100% |
| Deer Park | <0.1% |
| County | Share of ZIP residents |
|---|---|
| Harris County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Pasadena CCD | 100% |
| Southeast Harris CCD | <0.1% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 9th congressional district (TX-09) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Jeff Wagner | 100% | |
| U.S. Representative (TX-09) | Al Green (D) | 202-225-7508 | 100% |
| U.S. Senator | John Cornyn (R) | 202-224-2934 · contact form | statewide |
| U.S. Senator | Ted Cruz (R) | 202-224-5922 · contact form | statewide |
| State Senator (State Senate District 6) | Carol Alvarado (Democratic) | 713-926-6257 | 60% |
| State Senator (State Senate District 11) | Mayes Middleton (R) | 40% | |
| State Representative (State House District 144) | Mary Ann Perez (Democratic) | 713-740-8153 | 66% |
| State Representative (State House District 129) | Dennis Paul (R) | 281-488-8900 | 18% |
| State Representative (State House District 128) | Briscoe Cain (R) | 346-499-7036 | 16% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Pasadena website: https://www.pasadenatx.gov/
- Pasadena laws: search for the Pasadena, Texas code of ordinances
- Harris County website: https://harriscountytx.gov
- Harris County laws: search for the Harris County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 6 | 60% |
| State Senate District 11 | 40% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 144 | 66% |
| State House District 129 | 18% |
| State House District 128 | 16% |
Voting precincts
12 voting precincts overlap ZIP 77503. 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:77503")
ZIP 77503 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.