ZIP code 63030: Richwoods, MO
ZIP code 63030 is in Washington County (90%) and Jefferson County (10%), Missouri, outside any city or Census-designated place. It is in Missouri's 3rd congressional district. Its state senate district is State Senate District 3; its state house districts are State House District 118 (90%) and State House District 115 (10%).
See it on the mapAll of Missouri
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Washington County | 90% |
| Jefferson County | 10% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Richwoods township | 87% |
| Big River township | 10% |
| Kingston township | 3.0% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Missouri's 3rd congressional district (MO-03) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MO-03) | Robert F. Onder, Jr. (R) | 202-225-2956 | 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 3) | Mike Henderson (R) | 100% | |
| State Representative (State House District 118) | Mike McGirl (R) | 90% | |
| State Representative (State House District 115) | Bill Lucas (R) | 10% |
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
- Washington County website: http://www.washingtoncountymo.us/
- Washington County laws: search for the Washington County, Missouri code of ordinances
- Jefferson County website: http://www.jeffcomo.org
- Jefferson County laws: search for the Jefferson County, Missouri code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 3 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 118 | 90% |
| State House District 115 | 10% |
Voting precincts
3 voting precincts overlap ZIP 63030. 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:63030")
ZIP 63030 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.