Boundary Atlas

ZIP code 62628: Chapin, IL

ZIP code 62628 is in Chapin (58% of residents), in Morgan County (96%) and Scott County (4.1%), Illinois. 42% of its residents live outside city limits. It is in Illinois's 15th congressional district. Its state senate district is State Senate District 50; its state house districts are State House District 99 (95%) and State House District 100 (4.6%).

825residents (2020 Census)
39.0 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Chapin58%

CountyShare of ZIP residents
Morgan County96%
Scott County4.1%

Town or county subdivisionShare of ZIP residents
Chapin-Concord precinct85%
Lynnville-Markham precinct10%
Merritt precinct4.1%
Meredosia precinct0.5%

Congressional district

Congressional districtShare of ZIP residents
Illinois's 15th congressional district (IL-15)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-15)Mary E. Miller (R)202-225-5271100%
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 50)Jil Tracy (R)217-223-0833100%
State Representative (State House District 99)Kyle Moore (R)217-223-083395%
State Representative (State House District 100)C.D. Davidsmeyer (R)618-639-20714.6%

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 50100%

State house districtShare of ZIP residents
State House District 9995%
State House District 1004.6%

Voting precincts

4 voting precincts overlap ZIP 62628. Map them, with each precinct's share of the ZIP's residents.

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ZIP 62628 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.