Boundary Atlas

Wentzville, Missouri

Wentzville is a city in St. Charles County, Missouri, with 45,027 residents in 2020. It spans 2 congressional districts: MO-03 (71%) and MO-02 (29%). It spans 3 state house districts. Its state senate district is State Senate District 10.

45,027residents (2020 Census)
22.0 sq miland area
4ZIP codes
2congressional districts

County

CountyShare of residents
St. Charles County100%

Congressional districts

Congressional districtShare of residents
Missouri's 3rd congressional district (MO-03)71%
Missouri's 2nd congressional district (MO-02)29%

Elected officials

OfficeMemberContactShare of residents
MayorNick Guccione636-327-5101citywide
U.S. Representative (MO-03)Robert F. Onder, Jr. (R)202-225-295671%
U.S. Representative (MO-02)Ann Wagner (R)202-225-162129%
U.S. SenatorEric Schmitt (R)202-224-5721 · contact formstatewide
U.S. SenatorJosh Hawley (R)202-224-6154 · contact formstatewide
State Representative (State House District 63)Tricia Byrnes (R)80%
State Representative (State House District 64)Deanna Self (R)20%
State Representative (State House District 102)Richard West (R)<0.1%

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 residents
State Senate District 10100%

State house districtShare of residents
State House District 6380%
State House District 6420%
State House District 102<0.1%

ZIP codes

Percentages mark ZIPs only partly in Wentzville: the share of that ZIP's residents living in it.

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Your agent can get Wentzville'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:

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Wentzville 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.