Boundary Atlas

ZIP code 64620: Altamont, MO

ZIP code 64620 is in Altamont (35% of residents) and Lake Viking (23%), in Daviess County, Missouri. 43% of its residents live outside city limits. It is in Missouri's 6th congressional district. Its state senate district is State Senate District 12; its state house district is State House District 2.

495residents (2020 Census)
20.5 sq miland area
2cities and towns
1congressional district
2voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Altamont35%
Lake Viking23%

CountyShare of ZIP residents
Daviess County100%

Town or county subdivisionShare of ZIP residents
Liberty township60%
Jefferson township24%
Sheridan township12%
Colfax township4.2%

Congressional district

Congressional districtShare of ZIP residents
Missouri's 6th congressional district (MO-06)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MO-06)Sam Graves (R)202-225-7041100%
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 12)Rusty Black (R)100%
State Representative (State House District 2)Mazzie Christensen (R)100%

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 12100%

State house districtShare of ZIP residents
State House District 2100%

Voting precincts

2 voting precincts overlap ZIP 64620. Map them, with each precinct's share of the ZIP's residents.

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ZIP 64620 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.