ZIP code · Jefferson · Colorado · United States
ZIP code 80456 — Jefferson
ZIP code 80456 serves Jefferson, Colorado.
- Postal code
- 80456Single source Value from one source, not cross-checked.
- City
- Jefferson
- County
- Park FIPS 08093
- State
- Colorado
- Country
- United States
- Coordinates
- 39.2759, -105.6865 — precision precise (locality)
View on OpenStreetMap - Population
- 396 (ZCTA, ACS 5-year)
- Population density
- 2 / sq mi
- Land area
- 241.9 sq mi (626.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $131,750
- Per-capita income
- $90,085
- Median age
- 59.7
- Households
- 222
- Housing units
- 1,095
- Median home value
- $492,600
- Congressional district
- CO-7 (119th Congress)
- USDA hardiness zone
- 5a (-20 to -15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 719 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 80456 with another ZIP · ZIPs within 25 miles · distance from 80456
Map of ZIP code 80456
Climate — monthly normals
Warmest month Jul (avg high 75°F), coldest Dec (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 36 | 43 | 49 | 59 | 70 | 75 | 72 | 66 | 54 | 42 | 33 |
| Avg low °F | 9 | 9 | 16 | 22 | 30 | 38 | 43 | 42 | 35 | 25 | 17 | 9 |
| Precip in | 0.6 | 0.7 | 1.0 | 1.5 | 1.7 | 1.4 | 2.6 | 2.3 | 1.4 | 1.0 | 0.7 | 0.6 |
NOAA 1991–2020 climate normals from the nearest station: GRANT (12.8 mi) · NOAA NCEI
Places in ZIP 80456
- 3 restaurants & cafés
- 1 bars & pubs
- 1 post offices
- 1 places of worship
- 1 gas stations
- 3 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page