ZIP code 75009 is in Celina (59% of residents) and Weston (1.3%), in Collin County (98%) and Denton County (2.5%), Texas. 39% of its residents live outside city limits. It is in Texas's 4th congressional district (90%), Texas's 3rd congressional district (7.7%) and Texas's 26th congressional district (2.5%). Its state senate districts are State Senate District 8 (98%) and State Senate District 30 (2.5%); its state house districts are State House District 66 (52%), State House District 61 (45%) and State House District 106 (2.5%).
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.
State legislative districts
State senate district
Share of ZIP residents
State Senate District 8
98%
State Senate District 30
2.5%
State house district
Share of ZIP residents
State House District 66
52%
State House District 61
45%
State House District 106
2.5%
Voting precincts
12 voting precincts overlap ZIP 75009.
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:75009")
ZIP 75009 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.