ZIP code 80310: Boulder, CO
ZIP code 80310 is in Boulder, in Boulder County, Colorado. It is in Colorado's 2nd congressional district. Its state senate district is State Senate District 18; its state house district is State House District 10.
See it on the mapAll of Colorado
City and county
| City or town | Share of ZIP residents |
|---|---|
| Boulder | 100% |
| County | Share of ZIP residents |
|---|---|
| Boulder County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Boulder CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Colorado's 2nd congressional district (CO-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Aaron Brockett | 100% | |
| U.S. Representative (CO-02) | Joe Neguse (D) | 202-225-2161 | 100% |
| U.S. Senator | John W. Hickenlooper (D) | 202-224-5941 · contact form | statewide |
| U.S. Senator | Michael F. Bennet (D) | 202-224-5852 · contact form | statewide |
| State Senator (State Senate District 18) | Judy Amabile (Democratic) | 100% | |
| State Representative (State House District 10) | Junie Joseph (Democratic) | 100% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Boulder website: https://bouldercolorado.gov/
- Boulder laws: search for the Boulder, Colorado code of ordinances
- Boulder County website: http://www.bouldercounty.org
- Boulder County laws: search for the Boulder County, Colorado code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 18 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 10 | 100% |
Voting precincts
3 voting precincts overlap ZIP 80310. 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:80310")
ZIP 80310 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.