ZIP code 80120: Littleton, CO
ZIP code 80120 is in Littleton, in Arapahoe County (100%) and Douglas County (0.3%), Colorado. It is in Colorado's 6th congressional district (100%) and Colorado's 4th congressional district (0.3%). Its state senate districts are State Senate District 16 (100%) and State Senate District 30 (0.3%); its state house districts are State House District 38 (100%) and State House District 43 (0.3%).
See it on the mapAll of Colorado
City and county
| City or town | Share of ZIP residents |
|---|---|
| Littleton | 100% |
| County | Share of ZIP residents |
|---|---|
| Arapahoe County | 100% |
| Douglas County | 0.3% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Southwest Arapahoe CCD | 100% |
| Sedalia CCD | 0.3% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Colorado's 6th congressional district (CO-06) | 100% |
| Colorado's 4th congressional district (CO-04) | 0.3% |
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-04) | Lauren Boebert (R) | 202-225-4761 | 0.3% |
| 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 30) | John Carson (R) | 0.3% | |
| State Senator (State Senate District 26) | Jeff Bridges (Democratic) | <0.1% | |
| State Representative (State House District 38) | Gretchen Rydin (Democratic) | 100% | |
| State Representative (State House District 43) | Bob Marshall (Democratic) | 0.3% | |
| State Representative (State House District 3) | Meg Froelich (Democratic) | <0.1% |
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
- Littleton website: https://www.littletonco.gov
- Littleton laws: search for the Littleton, 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
- Douglas County website: http://www.douglas.co.us
- Douglas County laws: search for the Douglas County, Colorado code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 100% |
| State Senate District 30 | 0.3% |
| State Senate District 26 | land only |
| State house district | Share of ZIP residents |
|---|---|
| State House District 38 | 100% |
| State House District 43 | 0.3% |
| State House District 3 | land only |
Voting precincts
26 voting precincts overlap ZIP 80120. 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:80120")
ZIP 80120 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.