Boundary Atlas

ZIP code 63534: Callao, MO

ZIP code 63534 is in Callao (34% of residents), in Macon County (99%) and Randolph County (1.4%), Missouri. 66% of its residents live outside city limits. It is in Missouri's 6th congressional district. Its state senate district is State Senate District 18; its state house districts are State House District 6 (99%) and State House District 48 (1.4%).

730residents (2020 Census)
74.1 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Callao34%

CountyShare of ZIP residents
Macon County99%
Randolph County1.4%

Town or county subdivisionShare of ZIP residents
Callao township60%
Morrow township19%
Valley township11%
Liberty township5.1%
Bevier township3.3%
Chariton township1.4%
Walnut Creek township1.0%

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 18)Cindy O'Laughlin (R)100%
State Representative (State House District 6)Ed Lewis (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 18100%

State house districtShare of ZIP residents
State House District 699%
State House District 481.4%

Voting precincts

4 voting precincts overlap ZIP 63534. Map them, with each precinct's share of the ZIP's residents.

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ZIP 63534 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.