Jefferson ZIP code, Colorado
The ZIP code for Jefferson, CO is 80456.
- USPS city name
- 1 ZIP code
- Population
- 507
- County
- Park County
- State
- Colorado
Jefferson in numbers
About 507 people live in Jefferson, in 302 households. The median owner-occupied home is valued at $627,800 (16% above the Colorado median).
| Population | 507 |
|---|---|
| Households | 302 |
| Median home value | $627,800 |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Jefferson. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Jefferson
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
80456 | Jefferson , CO | Standard | 507 | — | $627,800 |
Map of Jefferson ZIP codes
The ZIP codes of Jefferson, CO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Jefferson
The nearest larger towns are Fairplay (1,067 people, 18 mi), Blue River (1,410 people, 21 mi) and Keystone (1,216 people, 22 mi).
| Town | Population | Distance |
|---|---|---|
| Breckenridge | 4,959 | 23.0 mi |
| Frisco | 2,825 | 28.3 mi |
| Evergreen | 8,602 | 29.3 mi |
More nearby: every ZIP code in Park County · Colorado ZIP codes
Cite this page
zipcodes.pro. “Jefferson, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/jefferson
Underlying data is public domain or openly licensed — sources, vintages and licences.