Boundary Atlas

ZIP code 62255: Lenzburg, IL

ZIP code 62255 is in Lenzburg (49% of residents) and Darmstadt (5.1%), in St. Clair County, Illinois. 46% of its residents live outside city limits. It is in Illinois's 12th congressional district. Its state senate districts are State Senate District 58 (68%), State Senate District 57 (17%) and State Senate District 55 (15%); its state house districts are State House District 115 (68%), State House District 114 (17%) and State House District 109 (15%).

953residents (2020 Census)
26.5 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Lenzburg49%
Darmstadt5.1%

CountyShare of ZIP residents
St. Clair County100%

Town or county subdivisionShare of ZIP residents
Lenzburg township59%
Fayetteville township32%
Marissa township9.2%

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 58)Terri Bryant (R)618-472-815868%
State Senator (State Senate District 57)Christopher Belt (Democratic)618-875-121217%
State Senator (State Senate District 55)Jason Plummer (R)618-283-300015%
State Representative (State House District 115)David Friess (R)618-282-728468%
State Representative (State House District 114)Kevin Schmidt (R)618-215-105017%
State Representative (State House District 109)Charlie Meier (R)618-651-040515%

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 5868%
State Senate District 5717%
State Senate District 5515%

State house districtShare of ZIP residents
State House District 11568%
State House District 11417%
State House District 10915%

Voting precincts

4 voting precincts overlap ZIP 62255. Map them, with each precinct's share of the ZIP's residents.

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ZIP 62255 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.