Boundary Atlas

ZIP code 63348: Wentzville, MO

ZIP code 63348 is in Wentzville (36% of residents) and Foristell (5.6%), in St. Charles County (78%), Warren County (20%) and Lincoln County (2.6%), Missouri. 59% of its residents live outside city limits. It is in Missouri's 3rd congressional district (73%), Missouri's 2nd congressional district (24%) and Missouri's 6th congressional district (2.6%). Its state senate districts are State Senate District 10 (61%), State Senate District 26 (20%) and State Senate District 2 (19%); its state house districts are State House District 64 (57%), State House District 102 (20%), State House District 42 (20%), State House District 41 (2.6%) and State House District 63 (0.6%).

10,051residents (2020 Census)
55.9 sq miland area
2cities and towns
3congressional districts
12voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Wentzville36%
Foristell5.6%

CountyShare of ZIP residents
St. Charles County78%
Warren County20%
Lincoln County2.6%

Town or county subdivisionShare of ZIP residents
Wentzville township56%
Boone township22%
Hickory Grove township20%
Clark township2.6%

Congressional districts

Congressional districtShare of ZIP residents
Missouri's 3rd congressional district (MO-03)73%
Missouri's 2nd congressional district (MO-02)24%
Missouri's 6th congressional district (MO-06)2.6%

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

OfficeMemberContactShare of residents
MayorNick Guccione636-327-510136%
U.S. Representative (MO-03)Robert F. Onder, Jr. (R)202-225-295673%
U.S. Representative (MO-02)Ann Wagner (R)202-225-162124%
U.S. Representative (MO-06)Sam Graves (R)202-225-70412.6%
U.S. SenatorEric Schmitt (R)202-224-5721 · contact formstatewide
U.S. SenatorJosh Hawley (R)202-224-6154 · contact formstatewide
State Senator (State Senate District 26)Ben Brown (R)20%
State Senator (State Senate District 2)Nick Schroer (R)19%
State Representative (State House District 64)Deanna Self (R)57%
State Representative (State House District 102)Richard West (R)20%
State Representative (State House District 42)Jeff Myers (R)20%
State Representative (State House District 41)Doyle Justus (R)2.6%
State Representative (State House District 63)Tricia Byrnes (R)0.6%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1061%
State Senate District 2620%
State Senate District 219%

State house districtShare of ZIP residents
State House District 6457%
State House District 10220%
State House District 4220%
State House District 412.6%
State House District 630.6%

Voting precincts

12 voting precincts overlap ZIP 63348. 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:63348")

ZIP 63348 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.