Boundary Atlas

ZIP code 61761: Normal, IL

ZIP code 61761 is in Normal (99% of residents), in McLean County, Illinois. It is in Illinois's 17th congressional district (71%) and Illinois's 16th congressional district (29%). Its state senate districts are State Senate District 46 (79%), State Senate District 53 (21%) and State Senate District 44 (0.2%); its state house districts are State House District 91 (79%), State House District 105 (21%) and State House District 88 (0.2%).

53,045residents (2020 Census)
42.6 sq miland area
1cities and towns
2congressional districts
39voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Normal99%

CountyShare of ZIP residents
McLean County100%

Town or county subdivisionShare of ZIP residents
Normal township98%
Towanda township2.1%
Dry Grove township<0.1%

Congressional districts

Congressional districtShare of ZIP residents
Illinois's 17th congressional district (IL-17)71%
Illinois's 16th congressional district (IL-16)29%

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-17)Eric Sorensen (D)202-225-590571%
U.S. Representative (IL-16)Darin LaHood (R)202-225-620129%
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 46)Dave Koehler (Democratic)309-808-234579%
State Senator (State Senate District 53)Chris Balkema (R)815-844-917921%
State Senator (State Senate District 44)Sally Turner (R)217-651-82910.2%
State Representative (State House District 91)Sharon Chung (Democratic)309-808-235179%
State Representative (State House District 105)Dennis Tipsword (R)815-844-934421%
State Representative (State House District 88)Regan Deering (R)217-876-19680.2%

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 4679%
State Senate District 5321%
State Senate District 440.2%

State house districtShare of ZIP residents
State House District 9179%
State House District 10521%
State House District 880.2%

Voting precincts

39 voting precincts overlap ZIP 61761. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:61761")

ZIP 61761 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.