Jefferson County, Colorado Zip Codes
Jefferson County is located in Colorado with a population of 582,881. The county seat is Golden. Jefferson County contains 30 zip codes and covers 773 sq mi of land area. The primary area code is 303 / 720.
County
Jefferson
County Seat
Golden
State
Colorado
Zip Codes
30
Population
582,881
Land Area
773 sq mi
Area Code
303 / 720
Jefferson County, commonly known as Jeffco, is located west of Denver and includes Lakewood, Arvada, and Golden.
All Jefferson County Zip Codes
| Zip Code | City | Population | Type | Details |
|---|---|---|---|---|
| 80401 | Golden | 42,777 | Standard | View |
| 80226 | Lakewood | 32,063 | Standard | View |
| 80227 | Lakewood | 35,187 | Standard | View |
| 80002 | Arvada | 20,589 | Standard | View |
| 80004 | Arvada | 35,349 | Standard | View |
| 80228 | Lakewood | 34,813 | Standard | View |
| 80232 | Lakewood | 22,707 | Standard | View |
| 80235 | Lakewood | 8,593 | Standard | View |
| 80033 | Wheat Ridge | 27,384 | Standard | View |
| 80123 | Littleton | 45,388 | Standard | View |
| 80127 | Littleton | 44,235 | Standard | View |
| 80128 | Littleton | 37,061 | Standard | View |
| 80005 | Arvada | 29,155 | Standard | View |
Jefferson County Map
Interactive map of Jefferson County, Colorado zip codes.
Cities in Jefferson County
Jefferson County Demographics
Population
582,881
Zip Codes
13
Cities
5
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures.