ZIP code 83858: Rathdrum, ID

ZIP code 83858 is in Rathdrum (54% of residents), in Kootenai County, Idaho. 46% of its residents live outside city limits. It is in Idaho's 1st congressional district. Its state senate district is State Senate District 3; its state house district is State House District 3.

17,113residents (2020 Census)

112.1 sq miland area

1cities and towns

1congressional district

11voting precincts

See it on the map All of Idaho

City and county

City or town	Share of ZIP residents
Rathdrum	54%

County	Share of ZIP residents
Kootenai County	100%

Town or county subdivision	Share of ZIP residents
Post Falls-Rathdrum CCD	71%
Spirit Lake-Athol CCD	28%
Coeur d'Alene CCD	1.0%

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 3)	Doug Okuniewicz (R)		100%
State Representative (State House District 3)	Jordan Redman (R)	208-252-5070	100%
State Representative (State House District 3)	Vito Barbieri (R)	208-620-0873	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

Rathdrum website: http://www.rathdrum.org/
Rathdrum laws: search for the Rathdrum, Idaho code of ordinances
Kootenai County website: http://kcgov.us
Kootenai County laws: search for the Kootenai County, Idaho code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 3	100%

State house district	Share of ZIP residents
State House District 3	100%

Voting precincts

11 voting precincts overlap ZIP 83858. 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 83858 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.