ZIP code 83871: Troy, ID

ZIP code 83871 is in Troy (44% of residents), in Latah County, Idaho. 56% of its residents live outside city limits. It is in Idaho's 1st congressional district. Its state senate district is State Senate District 6; its state house district is State House District 6.

2,015residents (2020 Census)

112.0 sq miland area

1cities and towns

1congressional district

4voting precincts

See it on the map All of Idaho

City and county

City or town	Share of ZIP residents
Troy	44%

County	Share of ZIP residents
Latah County	100%

Town or county subdivision	Share of ZIP residents
Troy-Juliaetta-Kendrick CCD	94%
Deary-Bovill CCD	6.3%

Congressional district

Congressional district	Share of ZIP residents
Idaho's 1st congressional district (ID-01)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (ID-01)	Russ Fulcher (R)	202-225-6611	100%
U.S. Senator	James E. Risch (R)	202-224-2752 · contact form	statewide
U.S. Senator	Mike Crapo (R)	202-224-6142 · contact form	statewide
State Senator (State Senate District 6)	Dan Foreman (R)		100%
State Representative (State House District 6)	Brandon Mitchell (R)		100%
State Representative (State House District 6)	Lori McCann (R)	208-743-5517	100%

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

Troy website: http://www.troyidaho.net/
Troy laws: search for the Troy, Idaho code of ordinances
Latah County website: http://www.latah.id.us
Latah County laws: search for the Latah County, Idaho code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 6	100%

State house district	Share of ZIP residents
State House District 6	100%

Voting precincts

4 voting precincts overlap ZIP 83871. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

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ZIP 83871 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.