ZIP code 77480: Sweeny, TX
ZIP code 77480 is in Sweeny (46% of residents), in Brazoria County (95%) and Matagorda County (4.7%), Texas. 54% of its residents live outside city limits. It is in Texas's 22nd congressional district (95%) and Texas's 27th congressional district (4.7%). Its state senate district is State Senate District 17; its state house districts are State House District 25 (95%) and State House District 30 (4.7%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Sweeny | 46% |
| County | Share of ZIP residents |
|---|---|
| Brazoria County | 95% |
| Matagorda County | 4.7% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Brazoria-West Columbia CCD | 95% |
| Bay City CCD | 4.7% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 22nd congressional district (TX-22) | 95% |
| Texas's 27th congressional district (TX-27) | 4.7% |
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
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (TX-22) | Troy E. Nehls (R) | 202-225-5951 | 95% |
| U.S. Representative (TX-27) | Michael Cloud (R) | 202-225-7742 | 4.7% |
| 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 17) | Joan Huffman (R) | 281-497-2450 | 100% |
| State Representative (State House District 25) | Cody Vasut (R) | 979-848-1770 | 95% |
| State Representative (State House District 30) | A.J. Louderback (R) | 361-582-9712 | 4.7% |
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
- Sweeny laws: search for the Sweeny, Texas code of ordinances
- Brazoria County website: https://www.brazoriacountytx.gov/
- Brazoria County laws: search for the Brazoria County, Texas code of ordinances
- Matagorda County website: https://www.matagordatx.gov/
- Matagorda County laws: search for the Matagorda County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 17 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 25 | 95% |
| State House District 30 | 4.7% |
Voting precincts
4 voting precincts overlap ZIP 77480. 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:77480")
ZIP 77480 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.