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Broomfield, Colorado
Consolidated city and county
City and County of Broomfield
Broomfield colorado interlocken offices.jpg
Flag of Broomfield, Colorado
Official seal of Broomfield, Colorado
Location of the City and County of Broomfield in Colorado
Location of the City and County of Broomfield in Colorado
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Country  United States
State  Colorado
City and County Broomfield
Incorporated June 6, 1961
Consolidated November 15, 2001
Named for The broomcorn once grown in the area.
 • Type consolidated city and county
 • Total 33.548 sq mi (86.890 km2)
 • Land 32.968 sq mi (85.387 km2)
 • Water 0.580 sq mi (1.503 km2)
5,420 ft (1,629 m)
 • Total 74,112
 • Density 2,248/sq mi (868/km2)
 • Metro
2,963,821 (19th)
 • CSA
3,623,560 (17th)
 • Front Range
Time zone UTC−07:00 (MST)
 • Summer (DST) UTC−06:00 (MDT)
ZIP codes
80020, 80021, 80023,
80038 (PO Box)
Area code 303 and 720
FIPS code 08-09280
GNIS ID 1945881, 204704
Interstate highway I-25 (CO).svg
Toll road NW Parkway
U.S. highways US 36.svg US 87.svg US 287.svg
State highways Colorado 7.svg Colorado 121.svg Colorado 128.svg
Fifteenth most populous Colorado city
Twelfth most populous Colorado county

The City and County of Broomfield is a consolidated city and county located in the U.S. state of Colorado. Broomfield has a consolidated government which operates under Article XX, Sections 10-13 of the Constitution of the State of Colorado. The Broomfield population was 74,112 at the 2020 United States Census, making it the 15th most populous municipality and the 12th most populous county in Colorado. Broomfield is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor.


The municipality of Broomfield was incorporated in 1961 in the southeastern corner of Boulder County. While it is unsure how it received its name, most researchers guess it's from the broomcorn grown in the area. Over the next three decades, the city grew through annexations, many of which crossed the county line into three adjacent counties: Adams, Jefferson and Weld. In the 1990s, city leaders began to push for the creation of a separate county to avoid the inefficiencies of dealing with four separate court districts, four different county seats, and four separate county sales tax bases. It also had longstanding political differences with Boulder County, which impelled it to separate. Broomfield reasoned that it could provide services more responsively under its own county government, and sought an amendment to the Colorado State Constitution to create a new county. The amendment was passed in 1998, after which a three-year transition period followed. On November 15, 2001, Broomfield County became the 64th, newest, and smallest county of Colorado. It is also the newest county in the United States (if not including county equivalents).

Geography and climate

Broomfield is located at 39°55′55″N 105°3′57″W / 39.93194°N 105.06583°W / 39.93194; -105.06583 (39.931817, -105.065919).

The elevation in Broomfield ranges from 5,096 up to 5,856 feet. According to the U.S. Census Bureau, the city has a total area of 34 square miles (88 km2), of which 33 square miles (85 km2) is land and 0.6 square miles (1.6 km2) (1.7%) is water. It is the smallest county by area in Colorado and the 5th smallest in the United States. Broomfield is the second most densely populated county in Colorado behind Denver.

Broomfield has a semi-arid climate (Köppen climate classification BSk). The city seems to have a unique microclimate within the metro area. Of the 54 days each year that Broomfield reaches 90 °F (32 °C) or higher, approximately 8 of those days are 100 °F (38 °C) or warmer. In comparison, Denver sees just 31 days of 90 °F (32 °C) temperatures. Broomfield also experiences 8 fewer days of weather below 32 °F (0 °C) than Denver each year. The USDA lists Broomfield as a city within the 6a plant hardiness zone.

Climate data for Broomfield, Colorado
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 77
Average high °F (°C) 49
Average low °F (°C) 19
Record low °F (°C) −15
Precipitation inches (mm) 0.37

Adjacent counties


Historical population
Census Pop.
1960 4,535
1970 7,261 60.1%
1980 20,730 185.5%
1990 24,638 18.9%
2000 38,272 55.3%
2010 55,889 46.0%
2020 74,112 32.6%
U.S. Decennial Census

Broomfield is a part of the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area.

The 2017 census estimates there were 68,341 people living in the city. The population density was 2,193 per square mile as of the 2010 census. The racial makeup of the city was 86.1 percent White, 11.1 percent Hispanic or Latino, 6.1 percent Asian, 2.1 percent from two or more races, 1.1 percent African American, 0.6 percent Native American, and 0.1 percent Pacific Islander.

There were 22,016 households, of which 41.2 percent had children under the age of 18 living with them, 61.8 percent were married couples living together, 8.2 percent had a female householder with no husband present, and 25.8 percent were non-families. 19.3 percent of all households were made up of individuals, and 4.2 percent had someone living alone who was 65 years of age or older. The average household size was 2.76 people, and the average family size was 3.19 people.

Age distribution figures show 26.2 percent of residents under the age of 18 and 9.9 percent age 65 years or older. The median age was 36.4 years. Females made up 50.2% of the population.

The median household income was $79,034 and the median family income was $96,206 in 2013. The per capita income for the city was $38,792. 48.1 percent of the population over age 25 held a bachelor's degree or higher.


Broomfield has an extensive trail system that connects the various lakes and parks. A scenic trail connects the Stearns Lake and the Josh's Pond on the west side of town. Broomfield also has a 9/11 memorial containing a piece of a steel beam from one of the towers.

Broomfield also has a skate park with many different features such as bowls, a large half pipe and several "street" obstacles.

Sister cities/twin towns

  • United Kingdom Broomfield and Kingswood, Kent, United Kingdom
  • Japan Ueda, Nagano Prefecture, Japan (became a sister city after the former town of Maruko became part of the new city of Ueda on March 6, 2006, although Ueda only wanted to be friends.)


In the 1990s, Broomfield and other area suburbs experienced tremendous economic growth, much of it focused in technology.

The Flatiron Crossing Mall is a large shopping and entertainment center, anchored by Dick's Sporting Goods, Macy's, and Forever 21.

The Broomfield Enterprise is the local newspaper. KBDI-TV, the secondary PBS member station for the Denver area, is licensed to Broomfield.

Ball, Vail Resorts, MWH Global, Flatiron Construction, Webroot, Noodles & Company, WhiteWave Foods and Mrs. Fields are headquartered in Broomfield.

Top employers

According to Broomfield's 2020 Comprehensive Annual Financial Report, the top employers in the city are:

# Employer # of Employees
1 Lumen Technologies 1,850
2 Oracle 1,620
3 SCL Health 1,530
4 Hunter Douglas 980
5 City and County of Broomfield 795
6 Vail Resorts 740
7 TSYS 580
8 DanoneWave Foods 570
9 Broadcom Inc. 500
10 VMWare 465


Since Broomfield used to be divided among four counties, students living in the city were served by the separate school districts for their county. While the city is now united within one county, the city is still separated among multiple school districts.

There are five school districts that overlap Broomfield, but the two largest school districts in Broomfield are Adams Twelve Five Star Schools and Boulder Valley School District.

Broomfield features two large public high schools (Broomfield High School, which underwent significant renovations from 2009 to 2010, and Legacy High), two public middle schools and eight public elementary schools. There are three private schools: Broomfield Academy, with an academic preschool, an elementary school and a middle school; Holy Family, a Catholic high school; and Nativity of Our Lord Parish, a Catholic elementary school. Broomfield also contains two K-12 charter schools, Prospect Ridge Academy, and Front Range Academy, which has two Broomfield campuses.

Notable people

Notable individuals who were born in or have lived in Broomfield or both include:

  • Mark Boslough, physicist
  • Drew Brown, musician, guitarist for OneRepublic and Debate Team
  • Dianne Primavera, 50th Lieutenant Governor of Colorado and former member of the Colorado House of Representatives
  • Anna Prins, basketball center
  • Vince Russo, pro wrestler
  • Steve Schmuhl, swimmer
  • Mike Wilpolt, football wide receiver, defensive back, coach
  • Cat Zingano, bantamweight MMA fighter
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