Boundary Atlas

ZIP code 82729: Sundance, WY

ZIP code 82729 is in Sundance (46% of residents), in Crook County (99%) and Weston County (1.4%), Wyoming. 54% of its residents live outside city limits. It is in Wyoming's at-large congressional district. Its state senate district is State Senate District 1; its state house district is State House District 1.

2,221residents (2020 Census)
536.4 sq miland area
1cities and towns
1congressional district
8voting precincts

See it on the mapAll of Wyoming

City and county

City or townShare of ZIP residents
Sundance46%

CountyShare of ZIP residents
Crook County99%
Weston County1.4%

Town or county subdivisionShare of ZIP residents
Sundance CCD92%
Moorcroft CCD6.5%
Newcastle 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 1)Ogden Driskill (R)100%
State Representative (State House District 1)Chip Neiman (R)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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1100%

State house districtShare of ZIP residents
State House District 1100%

Voting precincts

8 voting precincts overlap ZIP 82729. 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:82729")

ZIP 82729 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.