Superior, Colorado

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Superior, Colorado
Rock Creek Ranch subdivision in Superior
Rock Creek Ranch subdivision in Superior
Location of Superior in Boulder County and Jefferson County, Colorado.
Location of Superior in Boulder County and Jefferson County, Colorado.
Coordinates: 39°56′N 105°10′W / 39.933°N 105.167°W / 39.933; -105.167Coordinates: 39°56′N 105°10′W / 39.933°N 105.167°W / 39.933; -105.167
Country United States
State Colorado
Counties[1]Boulder County, Jefferson County
IncorporatedJune 10, 1904[2]
 • TypeStatutory Town[1]
 • MayorClint Folsom
 • Total3.96 sq mi (10.27 km2)
 • Land3.93 sq mi (10.17 km2)
 • Water0.04 sq mi (0.10 km2)
Elevation5,495 ft (1,675 m)
 • Total12,483
 • Estimate 
 • Density3,331.72/sq mi (1,286.42/km2)
Time zoneUTC−7 (MST)
 • Summer (DST)UTC−6 (MDT)
ZIP code[6]
Area code(s)Both 303 and 720
FIPS code08-75640
GNIS feature ID0203891
HighwaysUS 36, SH 128, SH 170
WebsiteTown Website

Superior is a Statutory Town in Boulder County in the U.S. state of Colorado, with a small, uninhabited segment of land area extending into Jefferson County . According to the 2010 census, the population of the city was 12,483.


Superior's history is one of coal mining. The first mines in the area were developed in the late 19th century. Coal was discovered on the Hake family farm in 1894, and recollections of members of pioneer families in Superior, including the Hakes and Autreys, are preserved as part of the Maria Rogers Oral History Program at the Carnegie Library for Local History in Boulder, Colorado.[7] The town was reportedly named after its superior quality of coal.[8]

Mining was the major force in Superior's history until the Industrial Mine closed in 1945. Subsequently, many people moved out of the area and the Town evolved into a quiet ranching and farming community. Superior's population hovered around 250 until the late 1990s, when subdivisions were built in the town and the population rose 3,433.7% to 9,011 by 2000.


Superior is located at 39°56′N 105°10′W / 39.933°N 105.167°W / 39.933; -105.167 (39.931190, −105.159085).[9]

According to the United States Census Bureau, the town has a total area of 4.01 square miles (10.39 km2), of which 3.968 square miles (10.277 km2) is land and 0.041 square miles (0.106 km2) it (1.02%) is water.[10]


As of 2013 there were 27 miles (43 kilometers) of trails and 594 acres (240 hectares)[11] of parks, green space, and open space, which is about 23.2% of the land area. In addition, the town operates two pools (North Pool and South Pool) with tennis courts for its residents.[12]


Historical population
Census Pop.
2019 (est.)13,087[5]4.8%
U.S. Decennial Census[13]

As of the 2010 census, there were 12,483 people, 4,493 households, and 3,491 families living in the town. The population density was 3298.11 people per square mile (1,223.8/km2). There were 4,698 housing units at an average density of 1,186.4 per square mile (458.1/km2). The racial makeup of the town was 77.26% White, 1% African American, 0.2% Native American, 17.8% Asian, less than 0.1% Pacific Islander, 0.6% from other races, and 3.13% from two or more races. Hispanic or Latino of any race were 6.6% of the population.

Of all households, 46.6% had children under the age of 18 living with them, 62.9% were married couples living together, 9.5% had a female householder with no husband present, and 22.3% were non-families. 14.9% of households were individuals living alone and 1.6% were one person aged 65 or older. The average household size was 2.87 and the average family size was 3.81.

The age distribution was 31.5% under the age of 18, 12.9% from 18 to 24, 33.4% from 25 to 44, 24.1% from 45 to 64, and 3.1% 65 or older. The median age was 32.5 years. For every 100 females, there were 103.0 males. For every 100 females age 18 and over, there were 101.1 males.

The median household income was $119,810 and the median family income was $133,011. The per capita income for the town was $44,318 (for 2007-2011). About 1.4% of families and 4.57% of the population were below the poverty line, including 3.1% of those under age 18 and none of those age 65 or over.

Of residents 25 years and over, 96.45% were high school graduates and 76.24% held a bachelor's degree or higher, with 35.58% holding graduate or professional degrees.


Superior has two public schools, run by the Boulder Valley School District: Superior Elementary,[14] and Eldorado PK-8. The home public high school is Monarch High School in nearby Louisville, Colorado.

In popular culture[edit]

Sections of the 1985 movie American Flyers were filmed in Superior.

Notable people[edit]

See also[edit]


  1. ^ a b "Active Colorado Municipalities". State of Colorado, Department of Local Affairs. Archived from the original on December 12, 2009. Retrieved September 1, 2007.
  2. ^ "Colorado Municipal Incorporations". State of Colorado, Department of Personnel & Administration, Colorado State Archives. December 1, 2004. Retrieved September 2, 2007.
  3. ^ "2019 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 1, 2020.
  4. ^ "US Board on Geographic Names". United States Geological Survey. October 25, 2007. Retrieved January 31, 2008.
  5. ^ a b "Population and Housing Unit Estimates". United States Census Bureau. May 24, 2020. Retrieved May 27, 2020.
  6. ^ "ZIP Code Lookup" (JavaScript/HTML). United States Postal Service. Retrieved January 6, 2008.
  7. ^ Steele, Shirley S. (2008). "Autrey, Raymond, 1921-". Maria Rogers Oral History Program. Boulder Public Library.
  8. ^ Dawson, John Frank. Place names in Colorado: why 700 communities were so named, 150 of Spanish or Indian origin. Denver, CO: The J. Frank Dawson Publishing Co. p. 48.
  9. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
  10. ^ "2016 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 25, 2017.
  11. ^ "Town of Superior website". Retrieved November 17, 2013.
  12. ^ "". Town of Superior government web site.
  13. ^ "Census of Population and Housing". Retrieved June 4, 2015.
  14. ^ Great Schools, Superior Elementary School Accessed 4-8-2011

External links[edit]