Boundary Atlas

Normal, Illinois

Normal is a town in McLean County, Illinois, with 52,419 residents in 2020. It spans 2 congressional districts: IL-17 (72%) and IL-16 (28%). It spans 2 state senate and 2 state house districts.

52,419residents (2020 Census)
18.7 sq miland area
1ZIP codes
2congressional districts

County

CountyShare of residents
McLean County100%

Congressional districts

Congressional districtShare of residents
Illinois's 17th congressional district (IL-17)72%
Illinois's 16th congressional district (IL-16)28%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-17)Eric Sorensen (D)202-225-590572%
U.S. Representative (IL-16)Darin LaHood (R)202-225-620128%
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)309-808-234580%
State Senator (State Senate District 53)Chris Balkema (R)815-844-917920%
State Representative (State House District 91)Sharon Chung (Democratic)309-808-235180%
State Representative (State House District 105)Dennis Tipsword (R)815-844-934420%

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 residents
State Senate District 4680%
State Senate District 5320%

State house districtShare of residents
State House District 9180%
State House District 10520%

ZIP codes

Percentages mark ZIPs only partly in Normal: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Normal's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:1753234")

Normal here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.