ZIP code 63045: Northwest, MO
ZIP code 63045 is in St. Louis County, Missouri, outside any city or Census-designated place. It is in Missouri's 1st congressional district. Its state senate district is State Senate District 14; its state house district is State House District 70.
See it on the mapAll of Missouri
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| St. Louis County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Northwest township | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Missouri's 1st congressional district (MO-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MO-01) | Wesley Bell (D) | 202-225-2406 | 100% |
| U.S. Senator | Eric Schmitt (R) | 202-224-5721 · contact form | statewide |
| U.S. Senator | Josh Hawley (R) | 202-224-6154 · contact form | statewide |
| State Senator (State Senate District 14) | Brian Williams (Democratic) | 100% | |
| State Representative (State House District 70) | Stephanie Boykin (Democratic) | 100% |
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
- St. Louis County laws: search for the St. Louis County, Missouri code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 14 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 70 | 100% |
Voting precincts
3 voting precincts overlap ZIP 63045. 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:63045")
ZIP 63045 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.