Johnstown, CO zip code
Johnstown, Colorado uses one zip code: 80534. Most of it is in Weld County. Together these zip codes are home to about 21K people.
Zip codes
1
Population
21K
All zips combined
Largest zip
80534
20,502 residents
Zip codes in Johnstown
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 80534 | 20,502 | $129,024 |