Boundary Atlas

ZIP code 63660: Breton, MO

ZIP code 63660 is in Mineral Point (6.2% of residents), in Washington County, Missouri. 94% of its residents live outside city limits. 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 144 (66%) and State House District 118 (34%).

3,699residents (2020 Census)
35.1 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Mineral Point6.2%
Potosi0.3%

CountyShare of ZIP residents
Washington County100%

Town or county subdivisionShare of ZIP residents
Breton township95%
Concord township4.8%
Union townshipland only

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 3)Mike Henderson (R)100%
State Representative (State House District 144)Tony Harbison (R)66%
State Representative (State House District 118)Mike McGirl (R)34%

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 3100%

State house districtShare of ZIP residents
State House District 14466%
State House District 11834%

Voting precincts

4 voting precincts overlap ZIP 63660. Map them, with each precinct's share of the ZIP's residents.

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ZIP 63660 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.