Boundary Atlas

ZIP code 60115: DeKalb, IL

ZIP code 60115 is in DeKalb (96% of residents), in DeKalb County, Illinois. It is in Illinois's 14th congressional district (100%) and Illinois's 16th congressional district (<0.1%). Its state senate districts are State Senate District 38 (96%), State Senate District 37 (3.2%), State Senate District 35 (0.7%) and State Senate District 45 (<0.1%); its state house districts are State House District 76 (96%), State House District 74 (3.2%), State House District 70 (0.7%) and State House District 89 (<0.1%).

42,103residents (2020 Census)
81.0 sq miland area
1cities and towns
2congressional districts
31voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
DeKalb96%

CountyShare of ZIP residents
DeKalb County100%

Town or county subdivisionShare of ZIP residents
DeKalb township97%
Afton township1.9%
Pierce township0.4%
Cortland township0.3%
Malta township0.1%
Milan township<0.1%
Mayfield township<0.1%

Congressional districts

Congressional districtShare of ZIP residents
Illinois's 14th congressional district (IL-14)100%
Illinois's 16th congressional district (IL-16)<0.1%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-14)Lauren Underwood (D)202-225-2976100%
U.S. Representative (IL-16)Darin LaHood (R)202-225-6201<0.1%
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 38)Sue Rezin (R)815-220-872096%
State Senator (State Senate District 37)Li Arellano (R)779-251-50033.2%
State Senator (State Senate District 35)Dave Syverson (R)815-987-75550.7%
State Senator (State Senate District 45)Andrew Chesney (R)815-232-0774<0.1%
State Representative (State House District 76)Murri Briel (Democratic)815-587-791296%
State Representative (State House District 74)Brad Fritts (R)815-561-36903.2%
State Representative (State House District 70)Jeff Keicher (R)815-748-34940.7%
State Representative (State House District 89)Tony McCombie (R)815-291-8989<0.1%

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 3896%
State Senate District 373.2%
State Senate District 350.7%
State Senate District 45<0.1%

State house districtShare of ZIP residents
State House District 7696%
State House District 743.2%
State House District 700.7%
State House District 89<0.1%

Voting precincts

31 voting precincts overlap ZIP 60115. Map them, with each precinct's share of the ZIP's residents.

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related_geographies(id="us:zcta:60115")

ZIP 60115 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.