ZIP code 80030: Westminster, CO
ZIP code 80030 is in Westminster (96% of residents) and Arvada (4.1%), in Adams County, Colorado. It is in Colorado's 8th congressional district (96%) and Colorado's 7th congressional district (4.1%). Its state senate districts are State Senate District 21 (96%) and State Senate District 19 (4.1%); its state house districts are State House District 35 (96%) and State House District 24 (4.1%).
See it on the mapAll of Colorado
City and county
| City or town | Share of ZIP residents |
|---|---|
| Westminster | 96% |
| Arvada | 4.1% |
| County | Share of ZIP residents |
|---|---|
| Adams County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| West Adams CCD | 100% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Colorado's 8th congressional district (CO-08) | 96% |
| Colorado's 7th congressional district (CO-07) | 4.1% |
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 |
|---|---|---|---|
| Mayor | Nancy McNally | 96% | |
| U.S. Representative (CO-08) | Gabe Evans (R) | 202-225-5625 | 96% |
| U.S. Representative (CO-07) | Brittany Pettersen (D) | 202-225-2645 | 4.1% |
| 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 21) | Adrienne Benavidez (Democratic) | 96% | |
| State Senator (State Senate District 19) | Lindsey Daugherty (Democratic) | 4.1% | |
| State Representative (State House District 35) | Lorena García (Democratic) | 96% | |
| State Representative (State House District 24) | Lisa Feret (Democratic) | 4.1% |
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
- Westminster website: http://www.ci.westminster.co.us/
- Westminster laws: search for the Westminster, Colorado code of ordinances
- Arvada website: http://arvada.org
- Arvada laws: search for the Arvada, 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 21 | 96% |
| State Senate District 19 | 4.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 35 | 96% |
| State House District 24 | 4.1% |
Voting precincts
9 voting precincts overlap ZIP 80030. 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:80030")
ZIP 80030 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.