Boundary Atlas

Plainfield, Indiana

Plainfield is a town in Hendricks County, Indiana, with 34,969 residents in 2020. It is in Indiana's 4th congressional district. It spans 2 state senate and 3 state house districts.

34,969residents (2020 Census)
27.2 sq miland area
4ZIP codes
1congressional district

County

CountyShare of residents
Hendricks County100%

Congressional district

Congressional districtShare of residents
Indiana's 4th congressional district (IN-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IN-04)James R. Baird (R)202-225-5037100%
U.S. SenatorJim Banks (R)202-224-4814statewide
U.S. SenatorTodd Young (R)202-224-5623 · contact formstatewide
State Senator (State Senate District 35)Mike Young (R)83%
State Senator (State Senate District 24)Brett Clark (R)17%
State Representative (State House District 40)Greg Steuerwald (R)47%
State Representative (State House District 57)Craig Haggard (R)43%
State Representative (State House District 28)Jeff Thompson (R)9.5%

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 3583%
State Senate District 2417%

State house districtShare of residents
State House District 4047%
State House District 5743%
State House District 289.5%

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:1860246")

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.