Jefferson, Colorado should not be confused with Jefferson County, Colorado.
| Official Name: | Jefferson, Colorado |
| Pushpin Map: | Colorado |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Colorado |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Park[1] |
| Unit Pref: | Imperial |
| Timezone: | MST |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Coordinates: | 39.3772°N -105.8006°W |
| Elevation Ft: | 9502 |
| Postal Code Type: | ZIP code |
| Postal Code: | 80456 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 204725 |
Jefferson is an unincorporated community in Park County, Colorado, United States.
The community is located in the northern end of South Park, along U.S. Route 285 (US 285), approximately 15miles northeast of Fairplay, at the western foot of Kenosha Pass. t lies 6miles from Como, 23miles from Bailey, and 37miles from Breckenridge. The community consists largely of a strip of retail businesses along US 285, as well as a small unpaved grid of houses and trailers on the south side of the highway. The most notable landmarks in the community are a historic one-room schoolhouse and the Historic Jefferson Denver, South Park and Pacific Railroad (DSP&P RR)Depot (c. 1880), highly visible in the surrounding grasslands of South Park. The Jefferson Post Office has the ZIP Code 80456. However, the post office closed in 2022.[2]