Boundary Atlas

ZIP code 63544: Green Castle, MO

ZIP code 63544 is in Green Castle (28% of residents), in Sullivan County (55%), Adair County (41%) and Putnam County (4.6%), Missouri. 72% of its residents live outside city limits. It is in Missouri's 6th congressional district. Its state senate districts are State Senate District 12 (55%) and State Senate District 18 (45%); its state house district is State House District 3.

807residents (2020 Census)
138.9 sq miland area
1cities and towns
1congressional district
8voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Green Castle28%

CountyShare of ZIP residents
Sullivan County55%
Adair County41%
Putnam County4.6%

Town or county subdivisionShare of ZIP residents
Penn township43%
Morrow township30%
Liberty township6.2%
Buchanan township5.8%
Elm township4.6%
Walnut township4.2%
Union township3.4%
Morris township2.5%
Richland townshipland only

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)55%
State Senator (State Senate District 18)Cindy O'Laughlin (R)45%
State Representative (State House District 3)Danny Busick (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 1255%
State Senate District 1845%

State house districtShare of ZIP residents
State House District 3100%

Voting precincts

8 voting precincts overlap ZIP 63544. Map them, with each precinct's share of the ZIP's residents.

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ZIP 63544 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.