Boundary Atlas

ZIP code 62298: Waterloo, IL

ZIP code 62298 is in Waterloo (62% of residents), in Monroe County (97%) and St. Clair County (3.3%), Illinois. 38% of its residents live outside city limits. It is in Illinois's 12th congressional district. Its state senate districts are State Senate District 58 (97%) and State Senate District 57 (3.3%); its state house districts are State House District 115 (97%) and State House District 114 (3.3%).

17,630residents (2020 Census)
143.0 sq miland area
3cities and towns
1congressional district
17voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Waterloo62%
Floraville0.3%
Paderborn0.2%

CountyShare of ZIP residents
Monroe County97%
St. Clair County3.3%

Town or county subdivisionShare of ZIP residents
Precinct 2613%
Precinct 2710%
Precinct 306.7%
Precinct 86.4%
Precinct 186.2%
Precinct 176.1%
Precinct 165.1%
Precinct 144.6%
Precinct 194.6%
Precinct 124.5%
Precinct 223.9%
Precinct 313.9%
Precinct 283.5%
Precinct 323.5%
Precinct 73.2%
Precinct 333.0%
Precinct 292.9%
Millstadt township2.7%
Precinct 231.9%
Precinct 151.5%
Precinct 111.0%
Prairie Du Long township0.6%
Precinct 60.5%
Precinct 90.2%

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)618-472-815897%
State Senator (State Senate District 57)Christopher Belt (Democratic)618-875-12123.3%
State Representative (State House District 115)David Friess (R)618-282-728497%
State Representative (State House District 114)Kevin Schmidt (R)618-215-10503.3%

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 5897%
State Senate District 573.3%

State house districtShare of ZIP residents
State House District 11597%
State House District 1143.3%

Voting precincts

17 voting precincts overlap ZIP 62298. Map them, with each precinct's share of the ZIP's residents.

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ZIP 62298 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.