Westminster, Colorado

Westminster: The most populous city in Adams County, Colorado. It is located in the Denver metropolitan area. Westminster is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Westminster City Park and the Westminster Historical Museum.


Westminster is a city located in the county of Adams in the U.S. state of Colorado. Its population at the 2010 census was 106,114 and a population density of 4,939 people per km². After 10 years in 2020 city had an estimated population of 115,046 inhabitants.

The city was created 59 years ago in 1965.

Westminster is a city located in Adams and Jefferson counties, Colorado, just north of Denver. As of 2020, it had a population of approximately 115,000 residents.


Westminster was originally established as a farming community in the late 1800s called Harris Park. Growth accelerated after WWII as Denver expanded its suburban ring.

The city was officially incorporated in 1911 and later became home to some of Colorado's major companies like Ball Corporation. Continued population and economic expansion has made Westminster part of metro Denver.


Key industries include aerospace, healthcare, finance, energy, and tourism. Major employers are Lockheed Martin Space Systems, Northrop Grumman, St. Anthony North Hospital, and the City of Westminster.

The city offers diversity in employment and business opportunities. Westminster's central location provides easy access to all of metro Denver and the Front Range.


Westminster is home to many Denver transplants drawn to its affordable housing, open space, and recreational amenities. The city has over 100 parks and top-rated schools.

Local attractions include Butterfly Pavilion, historic Bowles House, Westminster Promenade outdoor mall, and Standley Lake recreation. Cultural events like the Westminster PrideFest celebrate community spirit.

Offering natural beauty against the Rocky Mountain foothills, diversity, economic opportunity, and modern amenities, Westminster provides an appealing Front Range lifestyle minutes from downtown Denver.

Westminster locator map
Location of Westminster on Colorado map.

Quick Facts about Westminster

Population : 115,046 (2020)
Country : United Kingdom
State : Colorado (United States)
County : Adams County
Different from : Westminster
Head of government : leader of City of Westminster borough council
Postal code : SW, WC, NW, W
Phone Area Codes : 020
Area : 21.49 km2
Official name : City of Westminster
Legislative body : council of Westminster City Council
Altitude : 5,384 feet / 1641 meters
Capital : Westminster
Establishment : April 04, 1965 (59 years ago)
Time Zone : UTC+01:00, UTC±00:00
Local time : 10:42:38 (14th April 2024)
Density : 5,354 Pop. per km² as of 2020
Population growth : 7.76% (2010-2020)
Parliament at Sunset image
Parliament at Sunset
Parliament at Sunset image


Westminster is located at 39°50'12"N 105°2'14"W (39.8366500, -105.0372000).

Westminster map

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The population of Westminster increased by 7.76% in 10 years.

Year Population % Change Method
2010 106,114 - census
2011 107,739 1.51% estimation process
2012 109,083 1.23% estimation process
2013 110,422 1.21% estimation process
2014 111,517 0.98% estimation process
2015 112,420 0.8% estimation process
2016 112,984 0.5% estimation process
2017 112,961 -0.02% estimation process
2018 113,227 0.23% estimation process
2019 113,166 -0.05% estimation process
2020 115,046 1.63% estimation process

Westminster zip code is 80030. County name: Adams, County fips: 08001

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People born in Westminster (32)

People born in Westminster, including British rower Tom Stallard, British politician Maurice Macmillan, English politician Allen Bathurst, 1st Earl Bathurst, .


Schools in Westminster

College & universities near Westminster, CO

Code Name City ZIP
454847 National Beauty College Denver (CO) 80221
404912 Pima Medical Institute-Denver Denver (CO) 80221
469151 Cortiva Institute-Westminster Westminster (CO) 80031-2921
479983 Elevate Salon Institute-Westminster Westminster (CO) 80031
127787 Altierus Career College-Thornton Thornton (CO) 80229-4339

Stations (13)

Amtrak & bus stations near Westminster, CO

Code Name Address Type
DEB Denver (Bus Station), Colorado 1055 19th Street BUS
DEN Union Station 1701 Wynkoop Street RAIL
BLD Boulder, Colorado 30th & Diagonal Highway BUS
LGM Longmont, Colorado 623 Main St. BUS
PJT Pine Junction, CO 76 Mount Evans Boulevard BUS

Post offices near Westminster

Post Office Name City ZIP
Harris Park Post Office Westminster (CO) 80030
North Post Office Denver (CO) 80221
Indian Tr Post Office Arvada (CO) 80003
Arvada Post Office Arvada (CO) 80004
Thornton Post Office Thornton (CO) 80229

Other places with the same name (6)

  • Westminster , California A city in Orange County, California. It is located in the southeastern part of the county. Westminster is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Westminster City Hall and the Westminster Chinese Historical Society. with a population of 89,740 people.
  • Westminster , Maryland city in northern Maryland, United States with a population of 18,712 people.
  • Westminster , Massachusetts town in Massachusetts with a population of 8,091 people.
  • Westminster , Vermont town in Vermont, USA with a population of 2,952 people.
  • Westminster , South Carolina city in South Carolina with a population of 2,598 people.

Other cities in Adams County

Cities, towns, neighborhoods & other populated places in Adams County , CO.

City Name Population Title
Aurora 387,377 The third most populous city in Colorado and the center of the Denver metropolitan area.
Thornton 148,113 The seventh most populous city in Colorado.
Commerce City 60,336 The most populous city in Adams County, Colorado.
Brighton 40,783 A city in Adams County, Colorado.
Northglenn 38,845 City in Colorado
Sherrelwood 18,287 Census-designated place in Adams County, Colorado
Welby 14,846 Census-designated place in Colorado
Lone Tree 13,614 City in Douglas County, Colorado, United States of America
Federal Heights 13,598 City in Adams County, Colorado, United States
Berkley 11,207 Census designated place
Twin Lakes 6,101 City in Freeborn County, Minnesota, United States of America
Todd Creek 3,768 Census-designated place in Adams County, Colorado
Bennett 3,017 Town in Colorado

Distance to Other Cities

Westminster distances to largest Colorado cities