Boundary Atlas

ZIP code 82601: Casper, WY

ZIP code 82601 is in Casper (80% of residents), Bar Nunn (11%), Hartrandt (2.7%) and Casper Mountain (2.0%), in Natrona County, Wyoming. It is in Wyoming's at-large congressional district. Its state senate districts are State Senate District 28 (59%), State Senate District 30 (25%), State Senate District 27 (7.6%), State Senate District 29 (7.5%) and State Senate District 2 (0.7%); its state house districts are State House District 56 (34%), State House District 58 (25%), State House District 57 (25%), State House District 37 (7.3%), State House District 36 (4.2%), State House District 35 (3.4%), State House District 62 (0.7%) and State House District 59 (0.2%).

27,180residents (2020 Census)
478.8 sq miland area
6cities and towns
1congressional district
23voting precincts

See it on the mapAll of Wyoming

City and county

City or townShare of ZIP residents
Casper80%
Bar Nunn11%
Hartrandt2.7%
Casper Mountain2.0%
Homa Hills0.8%
Antelope Hills0.4%

CountyShare of ZIP residents
Natrona County100%

Town or county subdivisionShare of ZIP residents
Casper CCD73%
Casper North CCD16%
Casper South CCD10%

Congressional district

Congressional districtShare of ZIP residents
Wyoming's at-large congressional district (WY-AL)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WY-AL)Harriet M. Hageman (R)202-225-2311100%
U.S. SenatorCynthia M. Lummis (R)202-224-3424 · contact formstatewide
U.S. SenatorJohn Barrasso (R)202-224-6441 · contact formstatewide
State Senator (State Senate District 28)Jim Anderson (R)307-267-577559%
State Senator (State Senate District 30)Charles Scott (R)307-473-251225%
State Senator (State Senate District 27)Bill Landen (R)307-259-41947.6%
State Senator (State Senate District 29)Bob Ide (R)307-472-02337.5%
State Senator (State Senate District 2)Brian Boner (R)0.7%
State Representative (State House District 56)Elissa Campbell (R)307-277-478234%
State Representative (State House District 58)Bill Allemand (R)25%
State Representative (State House District 57)Julie Jarvis (R)25%
State Representative (State House District 37)Steve Harshman (R)307-262-80757.3%
State Representative (State House District 36)Art Washut (R)307-251-47254.2%
State Representative (State House District 35)Tony Locke (R)3.4%
State Representative (State House District 62)Kevin Campbell (R)0.7%
State Representative (State House District 59)J.R. Riggins (R)307-262-84460.2%

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 2859%
State Senate District 3025%
State Senate District 277.6%
State Senate District 297.5%
State Senate District 20.7%

State house districtShare of ZIP residents
State House District 5634%
State House District 5825%
State House District 5725%
State House District 377.3%
State House District 364.2%
State House District 353.4%
State House District 620.7%
State House District 590.2%

Voting precincts

23 voting precincts overlap ZIP 82601. 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:

related_geographies(id="us:zcta:82601")

ZIP 82601 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.