Residential delivery area · Colorado
ZIP Code 80456: Jefferson, CO
ZIP code 80456 uses the postal name Jefferson, Colorado and lies entirely in Park County (Census 2020 ZIP-county file). About 510 people live there (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Jefferson · its only residential ZIP
- County
- Park County
- Metro area
- Denver-Aurora-Centennial, CO
- House district
- CO-7 119th Congress
- State
- Colorado
- Time zone
- Mountain
- Land area
- 241.9 sq mi · 2 people per sq mi
Where is ZIP code 80456?
80456 centers on 39.310°, -105.689° and covers 241.9 square miles of land plus 0.6 of water. It borders 5 ZIP codes: 80432, 80448, 80424, 80827, 80135.
The map draws ZIP code areas only. For the streets inside 80456, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 80456 compare with the rest of Park County?
| Measure | 80456 | In Park County | In CO |
|---|---|---|---|
| People (ACS 2020-2024) | 507 | 8th of 12 | 391st of 527 |
| Median household income | – | not ranked | not ranked |
| Median home value | $628k | not ranked | not ranked |
80456's income and home value are not ranked: it has fewer than 1,000 residents (507). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 6% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 80456?
The 2020 Census counted 651 people in 80456; the ACS, which samples households over 2020-2024, estimates 507. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 507±263 (90% margin)
- 2020 Census count
- 651
- Households
- 302
- Median age
- 62.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 80456?
Of the 507 people the ACS estimates in 80456, 2.4% are under 18 and 32.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (100.0%).
- Under 182.4%
- 18 to 6465.1%
- 65 and older32.5%
- White, not Hispanic100.0%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
- Other or two or more0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What are homes worth in 80456?
- Median home value (owners' estimate)
- $627,800
- Median gross rent
- –
- Homes owned by their occupants
- 100.0%
- Housing units
- 1,179
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 80456?
13 business establishments had a location in this ZIP code in 2023, 6 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction6
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 80456?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 80432 | Como | 293 | $45k | 9.7 mi |
| 80448 | Grant | 0 | – | 13.9 mi |
| 80424 | Breckenridge | 9,764 | $121k | 20.2 mi |
| 80827 | Lake George | 808 | $88k | 21.2 mi |
| 80135 | Sedalia | 4,141 | $136k | 28.7 mi |
| 80475 | Shawnee | 39 | – | 8.2 mi (near) |
| 80421 | Bailey | 8,536 | $99k | 14.5 mi (near) |
| 80470 | Pine | 3,608 | $136k | 20.1 mi (near) |
| 80444 | Georgetown | 1,053 | $79k | 22.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.