ZIP code 63143: Maplewood, MO
ZIP code 63143 is in Maplewood (84% of residents) and St. Louis (16%), in St. Louis County (84%) and St. Louis city (16%), Missouri. It is in Missouri's 2nd congressional district (84%) and Missouri's 1st congressional district (16%). Its state senate district is State Senate District 4; its state house districts are State House District 83 (84%), State House District 82 (11%) and State House District 84 (4.9%).
See it on the mapAll of Missouri
City and county
| City or town | Share of ZIP residents |
|---|---|
| Maplewood | 84% |
| St. Louis | 16% |
| Richmond Heights | 0.4% |
| County | Share of ZIP residents |
|---|---|
| St. Louis County | 84% |
| St. Louis city | 16% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Hadley township | 84% |
| St. Louis city | 16% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Missouri's 2nd congressional district (MO-02) | 84% |
| Missouri's 1st congressional district (MO-01) | 16% |
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 (MO-02) | Ann Wagner (R) | 202-225-1621 | 84% |
| U.S. Representative (MO-01) | Wesley Bell (D) | 202-225-2406 | 16% |
| 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 4) | Karla May (Democratic) | 100% | |
| State Representative (State House District 83) | Ray Reed (Democratic) | 84% | |
| State Representative (State House District 82) | Nick Kimble (Democratic) | 11% | |
| State Representative (State House District 84) | Del Taylor (Democratic) | 4.9% |
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
- Maplewood website: http://www.cityofmaplewood.com/
- Maplewood laws: search for the Maplewood, Missouri code of ordinances
- St. Louis website: https://greaterstlinc.com/
- St. Louis laws: search for the St. Louis, Missouri code of ordinances
- St. Louis County laws: search for the St. Louis County, Missouri code of ordinances
- St. Louis city website: https://greaterstlinc.com/
- St. Louis city laws: search for the St. Louis city, Missouri code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 4 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 83 | 84% |
| State House District 82 | 11% |
| State House District 84 | 4.9% |
Voting precincts
7 voting precincts overlap ZIP 63143. 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:63143")
ZIP 63143 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.