80031 ZIP Code — Westminster, CO
Adams County, Colorado
ZIP code 80031 is located in Westminster, Colorado, within Adams County. It covers approximately 8.44 square miles and serves a population of 36,274 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 303/720.
About ZIP code 80031
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $482,200. Owner-occupancy sits near the national average at 72%.
The gap between median ($102,323) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.
Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.
36,274
population
8.44
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
80031 ZIP code map
Cities in ZIP code 80031
Below are the cities the US Postal Service accepts for ZIP code 80031. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Westminster | Preferred |
Nearby ZIP codes
80260 Denver (2.2 mi)
80260 Denver (2.2 mi)
80234 Denver (3 mi)
80234 Denver (3 mi)
80030 Westminster (3.4 mi)
80020 Broomfield (3.4 mi)
80020 Broomfield (3.4 mi)
80003 Arvada (3.5 mi)
80003 Arvada (3.5 mi)
80005 Arvada (4.5 mi)
80005 Arvada (4.5 mi)
80221 Denver (4.6 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 36,274 |
| Population density | 4,298 / sq mi |
| State FIPS | 08 |
| County FIPS | 001 |
| Geography | |
|---|---|
| Land area | 8.44 sq mi |
| Water area | 0.05 sq mi |
| Latitude | 39.8780 |
| Longitude | -105.0440 |
| Timezone | Mountain (MT) |
| Area code | 303/720 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 23.9% | 30.2% | 32.5% |
| $50k – $100k | 33.8% | 34.6% | 31.0% |
| $100k – $200k | 32.3% | 29.0% | 26.9% |
| Over $200k | 10.0% | 6.2% | 9.6% |
Demographics & statistics
36,274
Population
4,298
People per sq mi
40.3
Median age
$102,323
Median household income
$51,981
Per capita income
$482,200
Median home value
$1,767
Median monthly rent
71.6%
Home ownership
5.0%
Poverty rate
4.0%
Unemployment
10,941
Housing units
43.4%
Bachelor's or higher
Age distribution
Male
Female
782
Under 5
745
973
5–9
927
1,058
10–14
1,007
1,175
15–19
1,119
794
20–24
756
3,153
25–34
3,002
2,687
35–44
2,560
2,360
45–54
2,248
1,194
55–59
1,137
1,439
60–64
1,370
1,841
65–74
1,754
861
75–84
820
262
85+
250
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,975 | 19.2% |
| 18 and over | 29,299 | 80.8% |
| 65 and over | 5,788 | 16.0% |
| Median age | 40.3 years | |
Race & ethnicity
White
63.9%
Hispanic or Latino
13.2%
Two or more races
11.3%
Asian
4.6%
Other race
4.5%
Black or African American
1.4%
American Indian / Alaska Native
0.9%
Native Hawaiian / Pacific Islander
0.2%
| Group | Count | % |
|---|---|---|
| White | 26,691 | 63.9% |
| Hispanic or Latino | 5,497 | 13.2% |
| Two or more races | 4,725 | 11.3% |
| Asian | 1,911 | 4.6% |
| Other race | 1,894 | 4.5% |
| Black or African American | 602 | 1.4% |
| American Indian / Alaska Native | 385 | 0.9% |
| Native Hawaiian / Pacific Islander | 66 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 23.9% | 30.2% | 32.5% |
| $50k – $100k | 33.8% | 34.6% | 31.0% |
| $100k – $200k | 32.3% | 29.0% | 26.9% |
| Over $200k | 10.0% | 6.2% | 9.6% |
Under $10k
2.4%
$10k–$15k
1.5%
$15k–$25k
3.1%
$25k–$35k
4.7%
$35k–$50k
8.1%
$50k–$75k
14.3%
$75k–$100k
14.3%
$100k–$150k
22.3%
$150k–$200k
12.2%
$200k+
17.2%
| Range | % of households |
|---|---|
| Under $10k | 2.4% |
| $10k–$15k | 1.5% |
| $15k–$25k | 3.1% |
| $25k–$35k | 4.7% |
| $35k–$50k | 8.1% |
| $50k–$75k | 14.3% |
| $75k–$100k | 14.3% |
| $100k–$150k | 22.3% |
| $150k–$200k | 12.2% |
| $200k+ | 17.2% |
| Median income | $102,323 |
Housing
Home values
Under $50k
1.3%
$50k–$100k
0.6%
$100k–$150k
0.3%
$150k–$200k
2.3%
$200k–$300k
7.5%
$300k–$500k
42.7%
$500k–$1M
42.5%
$1M+
2.8%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $482,200 |
| Median rent / month | $1,767 |
| Owner occupied | 71.6% |
| Renter occupied | 28.4% |
| Vacant | 4.9% |
| Single-family detached | 63.4% |
| Large apartment buildings | 8.2% |
| Mobile homes | 0.2% |
| Median rooms | 6.4 |
| Avg household size (owned) | 2.61 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.1% |
| 2010–2019 | 8.5% |
| 2000–2009 | 14.2% |
| 1990–1999 | 18.0% |
| 1980–1989 | 19.0% |
| 1970–1979 | 22.5% |
| 1960–1969 | 10.3% |
| 1950–1959 | 5.8% |
| 1940–1949 | 0.3% |
| 1939 or earlier | 0.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.1% |
| 1 bedroom | 9.9% |
| 2 bedrooms | 21.4% |
| 3 bedrooms | 32.7% |
| 4 bedrooms | 24.9% |
| 5+ bedrooms | 10.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.5% |
| 1 vehicle | 25.7% |
| 2 vehicles | 43.7% |
| 3 or more | 27.1% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 73.8% |
| Electricity | 23.7% |
| Propane / LP gas | 1.0% |
| Wood | 0.4% |
| Solar | 0.4% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 7,252 | 50.9% |
| Cohabiting couple | 1,107 | 7.8% |
| Male householder, no spouse | 2,991 | 21.0% |
| Female householder, no spouse | 2,910 | 20.4% |
| Households with children under 18 | 3,952 | 27.7% |
| Households with seniors (65+) | 4,225 | 29.6% |
| Average household size | 2.54 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 35.4% | 26.2% |
| Married | 49.3% | 52.5% |
| Separated | 0.9% | 1.4% |
| Widowed | 2.2% | 6.7% |
| Divorced | 12.2% | 13.1% |
Education
Less than 9th grade
4.1%
Some HS, no diploma
6.7%
HS graduate
21.2%
Some college, no degree
18.1%
Associate's degree
6.5%
Bachelor's degree
28.3%
Graduate / professional
15.1%
| Metric | % |
|---|---|
| HS diploma or higher | 89.2% |
| Bachelor's or higher | 43.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 439 | 5.7% |
| Kindergarten | 413 | 5.4% |
| Elementary school | 3,184 | 41.6% |
| High school | 1,861 | 24.3% |
| College / grad school | 1,754 | 22.9% |
Employment
Industry of employment
Education & healthcare
18.7%
Professional & management
14.1%
Retail trade
12.1%
Construction
9.4%
Arts, food & hospitality
8.9%
Manufacturing
8.7%
Finance & real estate
6.3%
Transportation & utilities
5.4%
Public administration
4.5%
Other services
4.2%
Information
3.3%
Wholesale trade
2.9%
Agriculture & mining
1.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 40.9% |
| Service | 14.2% |
| Sales & office | 22.5% |
| Natural resources & construction | 10.9% |
| Production & transportation | 11.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 82.2% |
| Government | 13.3% |
| Self-employed | 4.4% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 70.1% |
| Carpool | 6.1% |
| Public transit | 3.1% |
| Walk | 0.9% |
| Work from home | 17.4% |
| Other means | 2.3% |
| Avg commute (minutes) | 27.8 |
Poverty
All people
5.0%
Under 18 years
3.7%
18 and over
5.3%
Married-couple families
1.4%
Female-led households
13.1%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.1% |
| Retirement income | 25.9% |
| Supplemental Security | 2.7% |
| Cash public assistance | 1.8% |
| Food stamps / SNAP | 5.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 27.5% |
| High blood pressure | 23.7% |
| High cholesterol | 28.5% |
| Diabetes | 7.9% |
| Heart disease | 4.7% |
| Stroke | 2.2% |
| Asthma | 9.7% |
| Arthritis | 19.9% |
| Kidney disease | 2.3% |
| Pulmonary disease | 4.8% |
| Cancer | 5.7% |
| Behavior / access | % |
|---|---|
| Smoking | 13.0% |
| Binge drinking | 18.8% |
| No physical activity | 18.3% |
| Less than 7 hrs sleep | 28.7% |
| Depression | 18.4% |
| Fair or poor health | 10.2% |
| Poor mental health | 13.2% |
| Poor physical health | 8.4% |
| No health insurance | 14.2% |
| Visited doctor (checkup) | 64.5% |
| Visited dentist | 69.7% |
| Cholesterol screening | 89.9% |
| Teeth loss | 10.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,973 | 6.7% |
| Disability | % |
|---|---|
| Any disability | 10.7% |
| Under 18 | 3.6% |
| 18–64 years | 8.5% |
| 65 and over | 28.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 74.3% |
| Public insurance | 28.6% |
| No insurance | 8.5% |
| Uninsured under 19 | 5.7% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 34,747 | 95.8% |
| Spanish | 2,714 | 7.8% |
| Other Indo-European | 1,892 | 5.4% |
| Asian & Pacific Islander | 235 | 0.7% |
| Other languages | 559 | 1.6% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 32,506 | 89.6% |
| Born in same state | 31,747 | 87.5% |
| Born in different state | 16,565 | 45.7% |
| Foreign born | 759 | 2.1% |
| Naturalized citizen | 3,768 | 10.4% |
| Not a US citizen | 2,256 | 59.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 4,458 | 12.3% |
| French | 3,795 | 10.5% |
| Arab | 1,011 | 2.8% |
| Polish | 860 | 2.4% |
| English | 471 | 1.3% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 256 | 0.7% |
| German | 173 | 0.5% |
| Norwegian | 68 | 0.2% |
| Irish | 29 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.3% |
| Internet access | 95.8% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 80031
What city is ZIP code 80031 in?
ZIP code 80031 is primarily assigned to Westminster, Colorado.
What county is ZIP code 80031 in?
ZIP code 80031 falls within Adams County, Colorado.
What is the typical home value in ZIP code 80031?
The median home value in ZIP code 80031 is $482,200.
What is the population of ZIP code 80031?
ZIP code 80031 has an estimated population of 36,274 residents, with a density of 4,298 people per square mile.
What is the median household income in ZIP code 80031?
The median household income in ZIP code 80031 is $102,323, above the national median of ~$75,000.
What timezone is ZIP code 80031 in?
ZIP code 80031 observes the MST timezone.