Westminster ZIP Code List — Adams County, CO

There are 4 unique ZIP codes in Westminster, Colorado. Area code: 303/720.

ZIP codes

11.08

sq mi land

0.19

sq mi water

303/720

area code

Westminster, CO ZIP code map

About Westminster, CO

Westminster, CO, is a vibrant city located in Adams County. Known for its beautiful parks and family-friendly environment, it is a popular choice for residents and visitors alike. The city combines urban amenities with a touch of suburban charm, making it an attractive place to live and explore.

Location & geography

Westminster is situated in the northern part of the Denver metropolitan area, with nearby cities including Thornton, which is approximately 5 miles to the south, and Broomfield, about 6 miles to the northwest. The city covers a land area of 11.08 square miles and has a small water area of 0.19 square miles. The terrain is primarily flat, offering easy access and visibility across the city.

Community & economy

Westminster boasts a friendly and diverse community that values inclusivity and engagement. The city's economy is supported by various industries, including retail, healthcare, and technology, providing residents with ample job opportunities. Daily life in Westminster is enriched by numerous parks, recreational facilities, and community events that foster a strong sense of belonging.

Transportation

Westminster is well-connected by major highways, including Interstate 25, which runs north-south and provides easy access to nearby Denver and Boulder. The nearest airport is Denver International Airport, located approximately 30 miles to the southeast. Public transportation options, including bus services, enhance the city's accessibility for residents and visitors.

History

Founded in the mid-1800s, Westminster has evolved from a small settlement into a thriving city. Historically, the city’s key industries included agriculture and mining, which laid the foundation for its growth. Notable events in Westminster's history include its incorporation in 1911 and the development of significant commercial centers that have become landmarks in the community.

Did you know?

One surprising fact about Westminster is that it was originally named after a church in England, highlighting the city’s rich historical roots. Additionally, Westminster has a vast network of over 30 parks, making it one of the greenest cities in the Denver metro area.

ZIP codes for Westminster, CO (4)

ZIP code	City	County	Map
80030	Westminster	Adams	View map
80031	Westminster	Adams	View map
80035	Westminster	Adams	View map
80036	Westminster	Adams	View map

Demographics & statistics

53,165

Population

38.7

Median age

$89,440

Median household income

$45,423

Per capita income

$428,650

Median home value

$1,488

Median monthly rent

64.6%

Home ownership

7.6%

Poverty rate

5.8%

Unemployment

14,978

Housing units

34.6%

Bachelor's or higher

Age distribution

Male Female

1,480

Under 5

1,425

1,448

5–9

1,394

1,562

10–14

1,505

1,739

15–19

1,674

1,528

20–24

1,471

4,399

25–34

4,235

4,044

35–44

3,895

3,081

45–54

2,967

1,723

55–59

1,659

1,893

60–64

1,823

2,454

65–74

2,363

1,202

75–84

1,158

531

85+

512

← Male

Female →

Age summary

Group	Count	%
Under 18	10,987	21.5%
18 and over	42,178	78.5%
65 and over	8,220	15.2%
Median age	38.7 years

Race & ethnicity

White 62.5%

Hispanic or Latino 13.8%

Two or more races 12.5%

Other race 4.7%

Asian 3.8%

Black or African American 1.6%

American Indian / Alaska Native 0.9%

Native Hawaiian / Pacific Islander 0.2%

Group	Count	%
White	38,591	62.5%
Hispanic or Latino	8,532	13.8%
Two or more races	7,686	12.5%
Other race	2,916	4.7%
Asian	2,333	3.8%
Black or African American	963	1.6%
American Indian / Alaska Native	555	0.9%
Native Hawaiian / Pacific Islander	121	0.2%

Household income

Under $10k 4.5%

$10k–$15k 2.0%

$15k–$25k 4.4%

$25k–$35k 8.5%

$35k–$50k 10.2%

$50k–$75k 17.8%

$75k–$100k 12.7%

$100k–$150k 20.3%

$150k–$200k 9.4%

$200k+ 10.6%

Range	% of households
Under $10k	4.5%
$10k–$15k	2.0%
$15k–$25k	4.4%
$25k–$35k	8.5%
$35k–$50k	10.2%
$50k–$75k	17.8%
$75k–$100k	12.7%
$100k–$150k	20.3%
$150k–$200k	9.4%
$200k+	10.6%
Median income	$89,440

Housing

Home values

Under $50k 1.5%

$50k–$100k 0.5%

$100k–$150k 0.7%

$150k–$200k 1.3%

$200k–$300k 11.0%

$300k–$500k 56.6%

$500k–$1M 27.0%

$1M+ 1.6%

Housing overview

Metric	Value
Median home value	$428,650
Median rent / month	$1,488
Owner occupied	64.6%
Renter occupied	35.4%
Vacant	4.5%
Single-family detached	57.9%
Large apartment buildings	13.4%
Mobile homes	0.5%
Median rooms	5.6
Avg household size (owned)	2.74

Year built

Era	%
2020 or later	0.6%
2010–2019	4.9%
2000–2009	9.6%
1990–1999	12.3%
1980–1989	16.5%
1970–1979	18.8%
1960–1969	11.8%
1950–1959	22.6%
1940–1949	2.2%
1939 or earlier	0.9%

Bedrooms

Size	% of units
No bedroom (studio)	2.9%
1 bedroom	13.7%
2 bedrooms	27.0%
3 bedrooms	28.7%
4 bedrooms	19.0%
5+ bedrooms	8.8%

Vehicles per household

Vehicles	% of households
No vehicle	5.6%
1 vehicle	32.9%
2 vehicles	35.6%
3 or more	26.0%

Heating fuel

Fuel type	%
Utility gas	68.1%
Electricity	28.6%
Propane / LP gas	0.7%
Wood	0.2%
Solar	0.3%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	9,341	41.5%
Cohabiting couple	1,554	7.3%
Male householder, no spouse	4,662	23.3%
Female householder, no spouse	5,229	28.0%
Households with children under 18	6,105	30.4%
Households with seniors (65+)	6,080	29.0%
Average household size	2.54

Marital status

Status	Male	Female
Never married	38.5%	29.1%
Married	45.5%	44.6%
Separated	0.9%	2.3%
Widowed	3.2%	8.6%
Divorced	12.0%	15.5%

Education

Less than 9th grade 4.2%

Some HS, no diploma 8.2%

HS graduate 25.2%

Some college, no degree 21.2%

Associate's degree 6.8%

Bachelor's degree 23.0%

Graduate / professional 11.6%

Metric	%
HS diploma or higher	87.7%
Bachelor's or higher	34.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	709	6.5%
Kindergarten	628	5.6%
Elementary school	4,693	41.0%
High school	2,861	25.6%
College / grad school	2,494	21.4%

Employment

Industry of employment

Education & healthcare 18.0%

Professional & management 12.5%

Retail trade 11.8%

Construction 10.5%

Manufacturing 10.5%

Transportation & utilities 7.7%

Arts, food & hospitality 7.7%

Finance & real estate 7.0%

Other services 4.9%

Public administration 3.2%

Information 2.8%

Wholesale trade 2.4%

Agriculture & mining 1.4%

Occupation

Category	%
Management, business & arts	34.4%
Service	13.7%
Sales & office	24.0%
Natural resources & construction	12.0%
Production & transportation	15.9%

Employment type

Type	%
Private sector	84.1%
Government	11.3%
Self-employed	4.6%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	72.2%
Carpool	7.3%
Public transit	2.9%
Walk	1.5%
Other means	1.7%
Avg commute (minutes)	26.5

Poverty

All people 7.6%

Under 18 years 7.9%

18 and over 7.5%

Married-couple families 3.1%

Female-led households 14.7%

Income support

Source	% of households
Social Security	26.1%
Retirement income	25.5%
Supplemental Security	3.6%
Cash public assistance	2.0%
Food stamps / SNAP	8.9%

Health indicators

Condition	%
High blood pressure	25.1%
High cholesterol	28.6%
Heart disease	5.3%
Stroke	2.6%
Asthma	9.9%
Arthritis	20.9%
Kidney disease	2.6%
Pulmonary disease	5.5%
Cancer	5.8%

Behavior / access	%
Binge drinking	18.2%
No physical activity	21.6%
Less than 7 hrs sleep	29.6%
Fair or poor health	12.4%
Poor mental health	13.8%
Poor physical health	9.5%
No health insurance	17.9%
Visited doctor (checkup)	64.5%
Visited dentist	65.6%
Cholesterol screening	88.8%
Teeth loss	13.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,813	6.6%

Disability	%
Any disability	11.6%
Under 18	4.0%
18–64 years	8.9%
65 and over	34.9%

Health insurance coverage

Type	%
Private insurance	66.7%
Public insurance	35.3%
Uninsured under 19	4.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	50,260	93.8%
Spanish	3,403	6.1%
Other Indo-European	2,445	4.5%
Asian & Pacific Islander	252	0.4%
Other languages	678	1.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	48,142	91.1%
Born in same state	47,170	89.4%
Born in different state	26,488	52.2%
Foreign born	972	1.7%
Naturalized citizen	5,023	8.9%
Not a US citizen	2,825	52.6%

Ancestry

Ancestry	Count	%
Italian	6,018	11.3%
French	5,058	9.5%
Arab	1,566	2.9%
Polish	1,069	2%
English	757	1.4%

Ancestry	Count	%
Dutch	353	0.7%
German	243	0.5%
Norwegian	68	0.1%
Irish	57	0.1%

Technology access

Metric	% of households
Computer access	39.0%
Internet access	94.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Westminster, CO have?

Westminster, CO has 2 ZIP codes: 80030, 80031. Each ZIP code serves a distinct delivery area within the city and surrounding region.

What is the main ZIP code for Westminster, CO?

The primary ZIP code for Westminster, CO is 80030. The city uses area code 303 or 720 for phone service.

What county is Westminster, CO in?

Westminster is located in Adams County, Colorado.

How many ZIP codes are in Westminster, CO?

Westminster, CO has 2 ZIP codes.

What ZIP code covers the Westminster downtown area and City Center Shopping Center?

The downtown Westminster area and City Center Shopping Center are located in ZIP code 80030, which covers the central business district of the city.

Which ZIP code includes the Westminster Station area near the RTD light rail transit hub?

The Westminster Station area near the RTD light rail transit hub is served by ZIP code 80031, which covers the northern commercial and transit-oriented development section of the city.