Boundary Atlas

Westfield, Indiana

Westfield is a city in Hamilton County, Indiana, with 46,553 residents in 2020. It is in Indiana's 5th congressional district. It spans 2 state house districts. Its state senate district is State Senate District 21.

46,553residents (2020 Census)
33.0 sq miland area
6ZIP codes
1congressional district

County

CountyShare of residents
Hamilton County100%

Congressional district

Congressional districtShare of residents
Indiana's 5th congressional district (IN-05)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IN-05)Victoria Spartz (R)202-225-2276100%
U.S. SenatorJim Banks (R)202-224-4814statewide
U.S. SenatorTodd Young (R)202-224-5623 · contact formstatewide
State Senator (State Senate District 21)Jim Buck (R)100%
State Representative (State House District 24)Hunter Smith (R)72%
State Representative (State House District 39)Danny Lopez (R)28%

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 21100%

State house districtShare of residents
State House District 2472%
State House District 3928%

ZIP codes

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

Get this in your AI agent

Your agent can get Westfield'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:1882700")

Westfield 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.