Boundary Atlas

ZIP code 63623: Iron, MO

ZIP code 63623 is in Iron County, Missouri, outside any city or Census-designated place. It is in Missouri's 8th congressional district. Its state senate district is State Senate District 27; its state house district is State House District 144.

850residents (2020 Census)
105.9 sq miland area
0cities and towns
1congressional district
3voting precincts

See it on the mapAll of Missouri

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Iron County100%

Town or county subdivisionShare of ZIP residents
Iron township56%
Kaolin township38%
Dent township6.2%

Congressional district

Congressional districtShare of ZIP residents
Missouri's 8th congressional district (MO-08)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MO-08)Jason Smith (R)202-225-4404100%
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 27)Jamie Burger (R)100%
State Representative (State House District 144)Tony Harbison (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 27100%

State house districtShare of ZIP residents
State House District 144100%

Voting precincts

3 voting precincts overlap ZIP 63623. Map them, with each precinct's share of the ZIP's residents.

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ZIP 63623 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.