Boundary Atlas

ZIP code 62858: Louisville, IL

ZIP code 62858 is in Louisville (38% of residents), in Clay County (99%) and Effingham County (0.7%), Illinois. 62% of its residents live outside city limits. It is in Illinois's 12th congressional district. Its state senate district is State Senate District 55; its state house district is State House District 110.

2,962residents (2020 Census)
151.7 sq miland area
1cities and towns
1congressional district
10voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Louisville38%

CountyShare of ZIP residents
Clay County99%
Effingham County0.7%

Town or county subdivisionShare of ZIP residents
Louisville township56%
Blair township15%
Hoosier township10%
Bible Grove township9.6%
Oskaloosa township4.4%
Harter township3.7%
Lucas township0.7%
Larkinsburg township0.2%

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 55)Jason Plummer (R)618-283-3000100%
State Representative (State House District 110)Blaine Wilhour (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 55100%

State house districtShare of ZIP residents
State House District 110100%

Voting precincts

10 voting precincts overlap ZIP 62858. Map them, with each precinct's share of the ZIP's residents.

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ZIP 62858 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.