ZIP code 80135: Douglas County, CO
ZIP code 80135 is in Sedalia (4.3% of residents) and Westcreek (2.9%), in Douglas County (99%) and Jefferson County (1.2%), Colorado. 93% of its residents live outside city limits. It is in Colorado's 4th congressional district (99%) and Colorado's 7th congressional district (1.2%). Its state senate districts are State Senate District 4 (98%) and State Senate District 30 (2.2%); its state house districts are State House District 39 (89%), State House District 45 (9.4%) and State House District 25 (1.2%).
See it on the mapAll of Colorado
City and county
| City or town | Share of ZIP residents |
|---|---|
| Sedalia | 4.3% |
| Westcreek | 2.9% |
| County | Share of ZIP residents |
|---|---|
| Douglas County | 99% |
| Jefferson County | 1.2% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Sedalia CCD | 61% |
| Castle Rock CCD | 37% |
| South Jefferson CCD | 1.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Colorado's 4th congressional district (CO-04) | 99% |
| Colorado's 7th congressional district (CO-07) | 1.2% |
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-04) | Lauren Boebert (R) | 202-225-4761 | 99% |
| U.S. Representative (CO-07) | Brittany Pettersen (D) | 202-225-2645 | 1.2% |
| 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 4) | Mark Baisley (R) | 98% | |
| State Senator (State Senate District 30) | John Carson (R) | 2.2% | |
| State Representative (State House District 39) | Brandi Bradley (R) | 89% | |
| State Representative (State House District 45) | Max Brooks (R) | 9.4% | |
| State Representative (State House District 25) | Tammy Story (Democratic) | 1.2% |
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
- Sedalia laws: search for the Sedalia, Colorado code of ordinances
- Westcreek laws: search for the Westcreek, Colorado code of ordinances
- Douglas County website: http://www.douglas.co.us
- Douglas County laws: search for the Douglas 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 4 | 98% |
| State Senate District 30 | 2.2% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 39 | 89% |
| State House District 45 | 9.4% |
| State House District 25 | 1.2% |
Voting precincts
9 voting precincts overlap ZIP 80135. 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:80135")
ZIP 80135 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.