ZIP code guides in Colorado
1 population-selected ZIP area guides are available in this batch. They are the highest-population unopened 2020 Census ZIP Code Tabulation Areas that pass the site’s page coverage and indexability checks. Population figures use the 2020–2024 American Community Survey. This is a selected group, not a complete list of postal ZIP codes in the state.
Available ZIP guides
| ZIP code | Place name | Population |
|---|---|---|
| 80134 | Parker | 80,302 |
Population is a ZCTA estimate, not a count of USPS delivery addresses. U.S. Census Bureau, ACS 2020–2024.