Thornton, CO ZIP code
The ZIP code for Thornton, Colorado is 80241. It is in Adams County.
- Population in these ZIPs
- 34,082
- Avg. median income
- $110,200population-weighted
- Typical home value
- $502,700population-weighted
- Metro area
- Denver-Aurora-Centennial, CO
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Thornton, CO ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 80241 | 34,082 | $110,218 | $502,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Thornton
- Henderson 5 mi
- Dupont 6 mi
- Broomfield 6 mi
- Westminster 7 mi
- Commerce City 8 mi
- Brighton 9 mi
- Erie 9 mi
- Lafayette 10 mi
- Dacono 10 mi
- Louisville 11 mi
- Arvada 11 mi
- Frederick 12 mi
Frequently asked questions
What is the ZIP code for Thornton, CO?
The ZIP code for Thornton, CO is 80241.
What county is Thornton, Colorado in?
Thornton ZIP codes are in Adams County.