ZIP code 80020: Broomfield, CO
ZIP code 80020 is in Broomfield (81% of residents) and Westminster (19%), in Broomfield County (81%), Jefferson County (19%), Boulder County (0.4%) and Adams County (<0.1%), Colorado. It is in Colorado's 7th congressional district (100%), Colorado's 2nd congressional district (0.4%) and Colorado's 8th congressional district (<0.1%). Its state senate districts are State Senate District 25 (81%), State Senate District 19 (19%), State Senate District 17 (0.3%) and State Senate District 18 (<0.1%); its state house districts are State House District 33 (81%), State House District 29 (19%) and State House District 12 (0.4%).
See it on the mapAll of Colorado
City and county
| City or town | Share of ZIP residents |
|---|---|
| Broomfield | 81% |
| Westminster | 19% |
| County | Share of ZIP residents |
|---|---|
| Broomfield County | 81% |
| Jefferson County | 19% |
| Boulder County | 0.4% |
| Adams County | <0.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Broomfield CCD | 81% |
| Northeast Jefferson CCD | 19% |
| Lafayette-Louisville CCD | 0.4% |
| West Adams CCD | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Colorado's 7th congressional district (CO-07) | 100% |
| Colorado's 2nd congressional district (CO-02) | 0.4% |
| Colorado's 8th congressional district (CO-08) | <0.1% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CO-07) | Brittany Pettersen (D) | 202-225-2645 | 100% |
| U.S. Representative (CO-02) | Joe Neguse (D) | 202-225-2161 | 0.4% |
| U.S. Representative (CO-08) | Gabe Evans (R) | 202-225-5625 | <0.1% |
| 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 25) | William Lindstedt (Democratic) | 81% | |
| State Senator (State Senate District 19) | Lindsey Daugherty (Democratic) | 19% | |
| State Senator (State Senate District 17) | Katie Wallace (Democratic) | 0.3% | |
| State Senator (State Senate District 18) | Judy Amabile (Democratic) | <0.1% | |
| State Representative (State House District 33) | Kenny Nguyen (Democratic) | 81% | |
| State Representative (State House District 29) | Lori Goldstein (Democratic) | 19% | |
| State Representative (State House District 12) | Kyle Brown (Democratic) | 0.4% |
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
- Broomfield website: https://www.broomfield.org/
- Broomfield laws: search for the Broomfield, Colorado code of ordinances
- Westminster website: http://www.ci.westminster.co.us/
- Westminster laws: search for the Westminster, Colorado code of ordinances
- Broomfield County website: https://www.broomfield.org/
- Broomfield County laws: search for the Broomfield County, Colorado code of ordinances
- Jefferson County website: http://www.jeffco.us
- Jefferson County laws: search for the Jefferson County, Colorado code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 25 | 81% |
| State Senate District 19 | 19% |
| State Senate District 17 | 0.3% |
| State Senate District 18 | <0.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 33 | 81% |
| State House District 29 | 19% |
| State House District 12 | 0.4% |
Voting precincts
41 voting precincts overlap ZIP 80020. 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:80020")
ZIP 80020 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.