Ballwin, Missouri
Ballwin is a city in St. Louis County, Missouri, with 31,699 residents in 2020. It is in Missouri's 2nd congressional district. Its state senate district is State Senate District 15; its state house district is State House District 100.
County
| County | Share of residents |
|---|---|
| St. Louis County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Missouri's 2nd congressional district (MO-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MO-02) | Ann Wagner (R) | 202-225-1621 | 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 15) | David Gregory (R) | 100% | |
| State Representative (State House District 100) | Philip Oehlerking (R) | 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
- Ballwin website: http://www.ballwin.mo.us/
- Ballwin laws: search for the Ballwin, Missouri code of ordinances
- St. Louis County laws: search for the St. Louis County, Missouri code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 15 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 100 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Ballwin: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Ballwin's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:2903160")
Ballwin here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.