Northglenn is a Home Rule Municipality in Adams and Weld counties in the U.S. state of Colorado. As of the 2010 census the city's population was 35,789. It was built as a master planned community in 1959 by Jordon Perlmutter.
The city is directly connected to Downtown Denver via the forthcoming Regional Transportation District N Line at Northglenn/112th station.
Northglenn is located at 39°53′51″N 104°58′55″W (39.897418, -104.981891).
According to the United States Census Bureau, the city has a total area of 7.5 square miles (19.4 km2), of which 7.4 square miles (19.2 km2) is land and 0.077 square miles (0.2 km2), or 1.23%, is water.
At the 2000 census there were 31,575 people, 11,610 households, and 8,208 families living in the city. The population density was 4,256.2 people per square mile (1,643.0/km2). There were 12,051 housing units at an average density of 1,624.4 per square mile (627.1/km2). The racial makeup of the city was 83.04% White, 1.52% African American, 1.14% Native American, 3.07% Asian, 0.15% Pacific Islander, 8.13% from other races, and 2.94% from two or more races. Hispanic or Latino people of any race were 20.27%.
Of the 11,610 households 33.8% had children under the age of 18 living with them, 53.6% were married couples living together, 11.8% had a female householder with no husband present, and 29.3% were non-families. 23.0% of households were one person and 5.5% were one person aged 65 or older. The average household size was 2.71 and the average family size was 3.19.