Westminster, CO ZIP codes
Westminster, Colorado has 4 ZIP codes, including 2 PO Box ZIPs. They are in Adams County.
- Population in these ZIPs
- 51,011
- Avg. median income
- $93,400population-weighted
- Typical home value
- $474,900population-weighted
- Metro area
- Denver-Aurora-Centennial, CO
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Westminster, CO ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 80030 | Adams County | 15,427 | $61,092 | $429,700 |
| 80031 | Adams County | 35,584 | $107,422 | $494,500 |
| 80035 PO Box | Adams County | — | — | — |
| 80036 PO Box | Adams County | — | — | — |
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 Westminster
- Arvada 4 mi
- Wheat Ridge 6 mi
- Broomfield 6 mi
- Dupont 6 mi
- Thornton 7 mi
- Denver 8 mi
- Henderson 9 mi
- Commerce City 9 mi
- Louisville 10 mi
- Lafayette 12 mi
- Golden 12 mi
- Erie 14 mi
Frequently asked questions
What is the ZIP code for Westminster, CO?
Westminster, CO has 4 ZIP codes: 80030, 80031, 80035 and 80036.
What county is Westminster, Colorado in?
Westminster ZIP codes are in Adams County.
Which Westminster ZIP codes are PO Boxes?
80035 and 80036 are PO Box or single-organization ZIP codes; they have no residential delivery area.