Boundary Atlas

ZIP code 83445: St. Anthony, ID

ZIP code 83445 is in St. Anthony (49% of residents) and Parker (2.8%), in Fremont County (100%) and Madison County (0.2%), Idaho. 48% of its residents live outside city limits. It is in Idaho's 2nd congressional district. Its state senate districts are State Senate District 31 (100%) and State Senate District 34 (0.2%); its state house districts are State House District 31 (100%) and State House District 34 (0.2%).

7,411residents (2020 Census)
300.7 sq miland area
2cities and towns
1congressional district
11voting precincts

See it on the mapAll of Idaho

City and county

City or townShare of ZIP residents
St. Anthony49%
Parker2.8%

CountyShare of ZIP residents
Fremont County100%
Madison County0.2%

Town or county subdivisionShare of ZIP residents
St. Anthony CCD97%
Island Park CCD2.3%
Ashton CCD0.4%
Teton-Newdale CCD0.3%
Sugar City CCD0.2%

Congressional district

Congressional districtShare of ZIP residents
Idaho's 2nd congressional district (ID-02)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (ID-02)Michael K. Simpson (R)202-225-5531100%
U.S. SenatorJames E. Risch (R)202-224-2752 · contact formstatewide
U.S. SenatorMike Crapo (R)202-224-6142 · contact formstatewide
State Senator (State Senate District 31)Van Burtenshaw (R)100%
State Senator (State Senate District 34)Doug Ricks (R)208-557-96650.2%
State Representative (State House District 31)Jerald Raymond (R)208-317-8777100%
State Representative (State House District 31)Rod Furniss (R)208-589-1100100%
State Representative (State House District 34)Britt Raybould (R)0.2%
State Representative (State House District 34)Jon Weber (R)208-390-61280.2%

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 ZIP residents
State Senate District 31100%
State Senate District 340.2%

State house districtShare of ZIP residents
State House District 31100%
State House District 340.2%

Voting precincts

11 voting precincts overlap ZIP 83445. Map them, with each precinct's share of the ZIP's residents.

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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:

related_geographies(id="us:zcta:83445")

ZIP 83445 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.