Westminster, CO Demographics & ZIP Codes
Westminster, Colorado demographics and median household income by ZIP code (in Adams County, Jefferson County) — 4 ZIP codes — population 117,430 — median income $90,642 — avg. home value $486,425. Compare income, housing, and population across ZIP codes on US5.
Westminster demographics
Westminster, Colorado covers 4 ZIP codes spanning Adams County and Jefferson County, with a combined ZIP-area population of about 117,430.
Across ZIP codes with age data, the average median age is about 36.6 years.
Median household income in Westminster
The average median household income across ZIP codes in Westminster, Colorado is about $90,642 — about 8% above the CO ZIP average ($84,127), and about 21% above the U.S. median ($75,149).
Among ZIPs with income data, 80031 is near the top at about $106,244, while 80030 is near the bottom at about $61,964.
Housing in Westminster
For housing in Westminster, Colorado, the average median home value is about $486,425 and the average median rent is about $1,633.
The most populous ZIP in this set is 80031 (about 36,350 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Westminster
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 80031 | Westminster | Adams County | CO | 36,350 | $106,244 | $499,200 |
| 80021 | Westminster | Jefferson County | CO | 35,562 | $105,645 | $530,300 |
| 80234 | Westminster | Adams County | CO | 29,573 | $88,714 | $493,900 |
| 80030 | Westminster | Adams County | CO | 15,945 | $61,964 | $422,300 |
Frequently asked questions
What are the demographics of Westminster?
Westminster, Colorado has a combined ZIP-area population of about 117,430 across 4 ZIP codes (primarily Adams County, Jefferson County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Westminster?
The average median household income across ZIP codes in Westminster, Colorado is about $90,642, about 8% above the state ZIP average ($84,127), and about 21% above the U.S. median ($75,149). Average median home value is about $486,425. Among ZIPs with data, 80031 is near the top ($106,244) and 80030 is near the bottom ($61,964).
How many ZIP codes are in Westminster?
Westminster, Colorado includes 4 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Westminster?
This page lists ZIP codes in Westminster, Colorado with population, median household income, and home value. Select a ZIP for a full demographics profile.