Boundary Atlas

ZIP code 62237: Coulterville, IL

ZIP code 62237 is in Coulterville (35% of residents), in Randolph County (54%), Perry County (30%) and Washington County (16%), Illinois. 65% of its residents live outside city limits. It is in Illinois's 12th congressional district. Its state senate district is State Senate District 58; its state house district is State House District 115.

2,413residents (2020 Census)
91.9 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Coulterville35%

CountyShare of ZIP residents
Randolph County54%
Perry County30%
Washington County16%

Town or county subdivisionShare of ZIP residents
Coulterville precinct52%
Swanwick precinct30%
Lively Grove township9.0%
Oakdale township6.8%
Tilden precinct1.6%

Congressional district

Congressional districtShare of ZIP residents
Illinois's 12th congressional district (IL-12)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-12)Mike Bost (R)202-225-5661100%
U.S. SenatorRichard J. Durbin (D)202-224-2152 · contact formstatewide
U.S. SenatorTammy Duckworth (D)202-224-2854 · contact formstatewide
State Senator (State Senate District 58)Terri Bryant (R)618-472-8158100%
State Representative (State House District 115)David Friess (R)618-282-7284100%

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 58100%

State house districtShare of ZIP residents
State House District 115100%

Voting precincts

5 voting precincts overlap ZIP 62237. Map them, with each precinct's share of the ZIP's residents.

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ZIP 62237 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.