Boundary Atlas

ZIP code 65018: California, MO

ZIP code 65018 is in California (57% of residents), in Moniteau County (98%) and Cooper County (1.8%), Missouri. 43% of its residents live outside city limits. It is in Missouri's 3rd congressional district. Its state senate districts are State Senate District 6 (98%) and State Senate District 21 (1.8%); its state house districts are State House District 58 (99%) and State House District 48 (1.4%).

7,960residents (2020 Census)
156.5 sq miland area
1cities and towns
1congressional district
9voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
California57%

CountyShare of ZIP residents
Moniteau County98%
Cooper County1.8%

Town or county subdivisionShare of ZIP residents
Walker township87%
Pilot Grove township6.6%
Harrison township2.9%
North Moniteau township1.4%
Burris Fork township0.9%
Moreau township0.6%
South Moniteau township0.4%

Congressional district

Congressional districtShare of ZIP residents
Missouri's 3rd congressional district (MO-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MO-03)Robert F. Onder, Jr. (R)202-225-2956100%
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 6)Mike Bernskoetter (R)98%
State Senator (State Senate District 21)Kurtis Gregory (R)1.8%
State Representative (State House District 58)Willard Haley (R)99%
State Representative (State House District 48)Tim Taylor (R)1.4%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 698%
State Senate District 211.8%

State house districtShare of ZIP residents
State House District 5899%
State House District 481.4%

Voting precincts

9 voting precincts overlap ZIP 65018. Map them, with each precinct's share of the ZIP's residents.

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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:65018")

ZIP 65018 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.