ZIP code 77566: Lake Jackson, TX
ZIP code 77566 is in Lake Jackson (92% of residents) and Richwood (1.6%), in Brazoria County, Texas. 6.2% of its residents live outside city limits. It is in Texas's 22nd congressional district. Its state senate district is State Senate District 17; its state house district is State House District 25.
City and county
| City or town | Share of ZIP residents |
|---|---|
| Lake Jackson | 92% |
| Richwood | 1.6% |
| County | Share of ZIP residents |
|---|---|
| Brazoria County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Brazosport CCD | 88% |
| Angleton CCD | 12% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 22nd congressional district (TX-22) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Gerald Roznovsky | 92% | |
| U.S. Representative (TX-22) | Troy E. Nehls (R) | 202-225-5951 | 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 17) | Joan Huffman (R) | 281-497-2450 | 100% |
| State Representative (State House District 25) | Cody Vasut (R) | 979-848-1770 | 100% |
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
- Lake Jackson website: https://www.lakejackson-tx.gov/
- Lake Jackson laws: search for the Lake Jackson, Texas code of ordinances
- Richwood website: https://richwoodtx.gov
- Richwood laws: search for the Richwood, Texas code of ordinances
- Brazoria County website: https://www.brazoriacountytx.gov/
- Brazoria County laws: search for the Brazoria 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 | 100% |
Voting precincts
7 voting precincts overlap ZIP 77566. 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:77566")
ZIP 77566 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.