Boundary Atlas

ZIP code 82639: Kaycee, WY

ZIP code 82639 is in Kaycee (31% of residents), in Johnson County (96%) and Natrona County (3.5%), Wyoming. 69% of its residents live outside city limits. It is in Wyoming's at-large congressional district. Its state senate districts are State Senate District 22 (96%) and State Senate District 30 (3.5%); its state house districts are State House District 40 (96%) and State House District 38 (3.5%).

792residents (2020 Census)
1,117.9 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Wyoming

City and county

City or townShare of ZIP residents
Kaycee31%

CountyShare of ZIP residents
Johnson County96%
Natrona County3.5%

Town or county subdivisionShare of ZIP residents
Kaycee CCD96%
Hells Half Acre CCD2.1%
Casper North CCD1.4%

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 22)Barry Crago (R)307-267-978996%
State Senator (State Senate District 30)Charles Scott (R)307-473-25123.5%
State Representative (State House District 40)Marilyn Connolly (R)307-217-034596%
State Representative (State House District 38)Jayme Lien (R)307-267-56753.5%

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 2296%
State Senate District 303.5%

State house districtShare of ZIP residents
State House District 4096%
State House District 383.5%

Voting precincts

4 voting precincts overlap ZIP 82639. 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:82639")

ZIP 82639 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.