Residential delivery area · Colorado
ZIP Code 80031: Westminster, CO
ZIP code 80031 is in Westminster, Colorado, mostly in Adams County (90% of its land) with the rest in Jefferson County (Census 2020 ZIP-county file). About 36,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Westminster's 2 residential ZIP codes. Median household income is $107,422 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Westminster (91%) and Shaw Heights (8%); under 1% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Westminster · 2 residential ZIPs
- County
- Adams County (90%); Jefferson County (10%)
- Census places
- Westminster (91%); Shaw Heights (8%) census-designated place
- Neighborhoods
- College Hills, Cotton Creek, Cozy Corner, Sunset Ridge, Wandering View GeoNames
- Metro area
- Denver-Aurora-Centennial, CO
- House districts
- CO-8 (90%), CO-7 (10%) 119th Congress, by share of land
- State
- Colorado
- Time zone
- Mountain
- Land area
- 8.4 sq mi · 4,222 people per sq mi
Where is ZIP code 80031?
80031 centers on 39.874°, -105.039° and covers 8.4 square miles of land plus 0.0 of water. It borders 7 ZIP codes: 80260, 80030, 80234, 80003, 80021, 80221, 80020.
The map draws ZIP code areas only. For the streets inside 80031, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 80031 compare with the rest of Westminster?
| Measure | 80031 | In Westminster | In Adams County | In CO |
|---|---|---|---|---|
| People (ACS 2020-2024) | 35,584 | 1st of 2 | 12th of 34 | 53rd of 527 |
| Median household income | $107k | 1st of 2 | 12th of 29 | 90th of 277 |
| Median home value | $535k | 1st of 2 | 12th of 32 | 139th of 311 |
Its median household income is higher than in 85% of U.S. residential ZIP codes, and it is denser than 92% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 80031?
The 2020 Census counted 37,254 people in 80031; the ACS, which samples households over 2020-2024, estimates 35,584. Between the 2010 and 2020 censuses its population grew 9.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 35,584
- 2020 Census count
- 37,254+9.8% since 2010 (33,932)
- Households
- 14,529
- Median age
- 39.5
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 80031?
Of the 35,584 people the ACS estimates in 80031, 19.5% are under 18 and 17.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (60.4%), then Hispanic or Latino (28.8%).
- Under 1819.5%
- 18 to 6463.5%
- 65 and older17.0%
- White, not Hispanic60.4%
- Hispanic or Latino28.8%
- Asian, not Hispanic5.3%
- Other or two or more4.9%
- Black, not Hispanic0.7%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 80031 earn?
Median household income is $107,422 (ACS 2020-2024), the 12th highest of the 29 ranked ZIP codes in Adams County. It is not measurably different from 2015-2019 ($100,946 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $107,422
- Income per person
- $56,568
- Below the poverty line
- 7.8%
- Unemployed (of the labor force)
- 3.1%
- Adults 25+ with a bachelor's degree
- 45.1%
- Adjusted gross income per tax return, 2022
- $91,23820,000 returns; wages 71% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 80031?
FHFA's house price index for 80031, built from repeat sales and appraisals of the same homes, rose 103% from 2015 to 2025 and rose 38% from 2020 to 2025, and moved −1.0% in 2025.
- Median home value (owners' estimate)
- $535,300
- Median gross rent
- $1,994
- Homes owned by their occupants
- 69.7%
- Housing units
- 15,265
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 80031?
770 business establishments had a location in this ZIP code in 2023, 42 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services130
- Health care and social assistance97
- Construction72
- Other services (except public administration)71
- Finance and insurance68
- Accommodation and food services63
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 80031?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 80260 | Denver | 34,677 | $62k | 2.0 mi |
| 80030 | Westminster | 15,427 | $61k | 3.0 mi |
| 80234 | Denver | 29,356 | $93k | 3.1 mi |
| 80003 | Arvada | 35,976 | $92k | 3.6 mi |
| 80021 | Broomfield | 36,555 | $110k | 4.1 mi |
| 80221 | Denver | 39,718 | $87k | 4.3 mi |
| 80020 | Broomfield | 54,201 | $117k | 4.4 mi |
| 80229 | Denver | 55,092 | $84k | 4.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.