Clayton, Missouri
Clayton is a city in St. Louis County, Missouri, with 17,355 residents in 2020. It is in Missouri's 1st congressional district. It spans 2 state house districts. Its state senate district is State Senate District 4.
County
| County | Share of residents |
|---|---|
| St. Louis County | 100% |
Congressional district
| Congressional district | Share of 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 4) | Karla May (Democratic) | 100% | |
| State Representative (State House District 86) | Jeff Hales (Democratic) | 4.3% |
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
- Clayton website: https://www.claytonmo.gov/
- Clayton laws: search for the Clayton, 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 4 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 99 | 96% |
| State House District 86 | 4.3% |
ZIP codes
Percentages mark ZIPs only partly in Clayton: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Clayton'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:2914572")
Clayton 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.