Boundary Atlas

Crest Hill, Illinois

Crest Hill is a city in Will County, Illinois, with 20,458 residents in 2020. It is in Illinois's 14th congressional district. It spans 2 state senate and 2 state house districts.

20,458residents (2020 Census)
9.0 sq miland area
2ZIP codes
1congressional district

County

CountyShare of residents
Will County100%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-14)Lauren Underwood (D)202-225-2976100%
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 49)Meg Loughran Cappel (Democratic)815-267-611984%
State Senator (State Senate District 43)Rachel Ventura (Democratic)331-290-044316%
State Representative (State House District 98)Natalie Manley (Democratic)815-725-274184%
State Representative (State House District 85)Dee Avelar (Democratic)815-372-008516%

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 4984%
State Senate District 4316%

State house districtShare of residents
State House District 9884%
State House District 8516%

ZIP codes

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

Get this in your AI agent

Your agent can get Crest Hill's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:1717458")

Crest Hill 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.