Boundary Atlas

Aspen, Colorado

Aspen is a city in Pitkin County, Colorado, with 7,004 residents in 2020. It is in Colorado's 3rd congressional district. Its state senate district is State Senate District 5; its state house district is State House District 57.

7,004residents (2020 Census)
3.9 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Pitkin County100%

Congressional district

Congressional districtShare of residents
Colorado's 3rd congressional district (CO-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CO-03)Jeff Hurd (R)202-225-4676100%
U.S. SenatorJohn W. Hickenlooper (D)202-224-5941 · contact formstatewide
U.S. SenatorMichael F. Bennet (D)202-224-5852 · contact formstatewide
State Senator (State Senate District 5)Marc Catlin (R)100%
State Representative (State House District 57)Elizabeth Velasco (Democratic)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 residents
State Senate District 5100%

State house districtShare of residents
State House District 57100%

ZIP codes

Percentages mark ZIPs only partly in Aspen: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Aspen's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:0803620")

Aspen here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.