ZIP code 80128: Ken Caryl, CO
ZIP code 80128 is in Ken Caryl (48% of residents), Columbine (47%) and Littleton (5.1%), in Jefferson County (92%) and Arapahoe County (7.6%), Colorado. It is in Colorado's 6th congressional district (100%) and Colorado's 7th congressional district (<0.1%). Its state senate districts are State Senate District 16 (100%) and State Senate District 4 (<0.1%); its state house districts are State House District 25 (48%), State House District 38 (28%) and State House District 28 (24%).
See it on the mapAll of Colorado
City and county
| City or town | Share of ZIP residents |
|---|---|
| Ken Caryl | 48% |
| Columbine | 47% |
| Littleton | 5.1% |
| County | Share of ZIP residents |
|---|---|
| Jefferson County | 92% |
| Arapahoe County | 7.6% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Northeast Jefferson CCD | 92% |
| Southwest Arapahoe CCD | 7.6% |
| South Jefferson CCD | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Colorado's 6th congressional district (CO-06) | 100% |
| Colorado's 7th congressional district (CO-07) | <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-06) | Jason Crow (D) | 202-225-7882 | 100% |
| U.S. Representative (CO-07) | Brittany Pettersen (D) | 202-225-2645 | <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 16) | Chris Kolker (Democratic) | 100% | |
| State Senator (State Senate District 4) | Mark Baisley (R) | <0.1% | |
| State Representative (State House District 25) | Tammy Story (Democratic) | 48% | |
| State Representative (State House District 38) | Gretchen Rydin (Democratic) | 28% | |
| State Representative (State House District 28) | Sheila Lieder (Democratic) | 24% |
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
- Ken Caryl laws: search for the Ken Caryl, Colorado code of ordinances
- Columbine laws: search for the Columbine, Colorado code of ordinances
- Littleton website: https://www.littletonco.gov
- Littleton laws: search for the Littleton, Colorado code of ordinances
- Jefferson County website: http://www.jeffco.us
- Jefferson County laws: search for the Jefferson County, Colorado code of ordinances
- Arapahoe County website: http://www.co.arapahoe.co.us
- Arapahoe County laws: search for the Arapahoe County, Colorado code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 100% |
| State Senate District 4 | <0.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 25 | 48% |
| State House District 38 | 28% |
| State House District 28 | 24% |
Voting precincts
23 voting precincts overlap ZIP 80128. 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:80128")
ZIP 80128 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.