Boundary Atlas

Plainfield, Illinois

Plainfield is a village in Will County (93% of residents) and Kendall County (7.3%), Illinois, with 44,768 residents in 2020. It is in Illinois's 14th congressional district. It spans 2 state senate and 3 state house districts.

44,768residents (2020 Census)
26.1 sq miland area
3ZIP codes
1congressional district

County

CountyShare of residents
Will County93%
Kendall County7.3%

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)815-267-611992%
State Senator (State Senate District 38)Sue Rezin (R)815-220-87208.3%
State Representative (State House District 97)Jessica Dixon Heitman (Democratic)815-254-000087%
State Representative (State House District 75)Jed Davis (R)331-867-82008.3%
State Representative (State House District 98)Natalie Manley (Democratic)815-725-27415.0%

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 4992%
State Senate District 388.3%

State house districtShare of residents
State House District 9787%
State House District 758.3%
State House District 985.0%

ZIP codes

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

Get this in your AI agent

Your agent can get Plainfield'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:1760287")

Plainfield 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.