ZIP code 80023: Broomfield, CO
ZIP code 80023 is in Broomfield (82% of residents), Westminster (12%) and Thornton (3.2%), in Broomfield County (82%) and Adams County (18%), Colorado. It is in Colorado's 7th congressional district (82%) and Colorado's 8th congressional district (18%). Its state senate districts are State Senate District 25 (96%) and State Senate District 24 (3.5%); its state house districts are State House District 33 (86%) and State House District 29 (14%).
See it on the mapAll of Colorado
City and county
| City or town | Share of ZIP residents |
|---|---|
| Broomfield | 82% |
| Westminster | 12% |
| Thornton | 3.2% |
| County | Share of ZIP residents |
|---|---|
| Broomfield County | 82% |
| Adams County | 18% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Broomfield CCD | 82% |
| Brighton CCD | 11% |
| West Adams CCD | 7.4% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Colorado's 7th congressional district (CO-07) | 82% |
| Colorado's 8th congressional district (CO-08) | 18% |
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 | 82% |
| U.S. Representative (CO-08) | Gabe Evans (R) | 202-225-5625 | 18% |
| 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) | 96% | |
| State Senator (State Senate District 24) | Kyle Mullica (Democratic) | 3.5% | |
| State Representative (State House District 33) | Kenny Nguyen (Democratic) | 86% | |
| State Representative (State House District 29) | Lori Goldstein (Democratic) | 14% |
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
- Thornton website: http://www.cityofthornton.net/
- Thornton laws: search for the Thornton, Colorado code of ordinances
- Broomfield County website: https://www.broomfield.org/
- Broomfield County laws: search for the Broomfield County, Colorado code of ordinances
- Adams County laws: search for the Adams County, Colorado code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 25 | 96% |
| State Senate District 24 | 3.5% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 33 | 86% |
| State House District 29 | 14% |
Voting precincts
26 voting precincts overlap ZIP 80023. 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:80023")
ZIP 80023 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.