ZIP code 63012: Barnhart, MO
ZIP code 63012 is in Barnhart (53% of residents), Pevely (5.7%) and Imperial (2.7%), in Jefferson County, Missouri. 38% of its residents live outside city limits. It is in Missouri's 8th congressional district (100%) and Missouri's 3rd congressional district (0.3%). Its state senate district is State Senate District 22; its state house districts are State House District 113 (60%), State House District 112 (29%), State House District 114 (11%) and State House District 111 (0.3%).
See it on the mapAll of Missouri
City and county
| City or town | Share of ZIP residents |
|---|---|
| Barnhart | 53% |
| Pevely | 5.7% |
| Imperial | 2.7% |
| County | Share of ZIP residents |
|---|---|
| Jefferson County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Imperial township | 85% |
| Joachim township | 12% |
| Windsor township | 2.7% |
| Meramec township | 0.3% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Missouri's 8th congressional district (MO-08) | 100% |
| Missouri's 3rd congressional district (MO-03) | 0.3% |
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-08) | Jason Smith (R) | 202-225-4404 | 100% |
| U.S. Representative (MO-03) | Robert F. Onder, Jr. (R) | 202-225-2956 | 0.3% |
| 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 22) | Mary Elizabeth Coleman (R) | 100% | |
| State Representative (State House District 113) | Phil Amato (R) | 60% | |
| State Representative (State House District 112) | Renee Reuter (R) | 29% | |
| State Representative (State House District 111) | Cecelie Williams (R) | 0.3% |
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
- Barnhart laws: search for the Barnhart, Missouri code of ordinances
- Pevely website: http://www.cityofpevely.org
- Pevely laws: search for the Pevely, Missouri code of ordinances
- Imperial laws: search for the Imperial, 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 22 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 113 | 60% |
| State House District 112 | 29% |
| State House District 114 | 11% |
| State House District 111 | 0.3% |
Voting precincts
8 voting precincts overlap ZIP 63012. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:63012")
ZIP 63012 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.