ZIP code 63025: Eureka, MO
ZIP code 63025 is in Eureka (69% of residents), Wildwood (5.1%), Byrnes Mill (2.0%) and LaBarque Creek (1.5%), in St. Louis County (78%) and Jefferson County (22%), Missouri. 22% of its residents live outside city limits. It is in Missouri's 2nd congressional district (78%) and Missouri's 3rd congressional district (22%). Its state senate districts are State Senate District 26 (69%), State Senate District 22 (22%) and State Senate District 15 (8.2%); its state house districts are State House District 88 (73%), State House District 111 (21%), State House District 110 (5.1%) and State House District 97 (1.2%).
See it on the mapAll of Missouri
City and county
| City or town | Share of ZIP residents |
|---|---|
| Eureka | 69% |
| Wildwood | 5.1% |
| Byrnes Mill | 2.0% |
| LaBarque Creek | 1.5% |
| County | Share of ZIP residents |
|---|---|
| St. Louis County | 78% |
| Jefferson County | 22% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Meramec township | 78% |
| Meramec township | 19% |
| High Ridge township | 3.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Missouri's 2nd congressional district (MO-02) | 78% |
| Missouri's 3rd congressional district (MO-03) | 22% |
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 26 | 69% |
| State Senate District 22 | 22% |
| State Senate District 15 | 8.2% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 88 | 73% |
| State House District 111 | 21% |
| State House District 110 | 5.1% |
| State House District 97 | 1.2% |
Voting precincts
12 voting precincts overlap ZIP 63025. 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:63025")
ZIP 63025 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.