Arapahoe County is a county located in the U.S. state of Colorado. As of the 2020 census, its population was 655,070, making it the third-most populous county in Colorado. The county seat is Littleton, and the most populous city is Aurora. The county was named for the Arapaho Native American tribe, who once lived in the region.
The City of Northglenn is a home rule municipality located in Adams and Weld counties, Colorado, United States. Northglenn is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. As of the 2020 census the city's population was 38,131. It was built as a master planned community in 1959 by Jordon Perlmutter.
Bow Mar is a Statutory Town located in Arapahoe and Jefferson counties, Colorado, United States. The town population was 853 at the 2020 United States Census with 587 residing in Arapahoe County and 266 residing in Jefferson County. Bow Mar is part of the Front Range Urban Corridor. The current mayor of Bow Mar is Bryan Sperry.
Castlewood is a neighborhood in the City of Centennial, Colorado. A former census-designated place (CDP), the population was 25,567 at the 2000 census. It has been a part of the City of Centennial since the city's incorporation in 2001.
The City of Cherry Hills Village is a home rule municipality located in Arapahoe County, Colorado, United States. The city population was 6,442 at the 2020 United States Census. Cherry Hills Village is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor.
The Town of Foxfield is a statutory town located in Arapahoe County, Colorado, United States. The town population was 754 at the 2020 United States Census. Foxfield is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor. The town is bordered by the cities of Aurora and Centennial.
Carriage Club is a neighborhood in the City of Lone Tree, Douglas County, Colorado, United States. A former census-designated place (CDP), the population was 1,002 at the United States Census 2000.
The City of Castle Pines is a home rule municipality located in Douglas County, Colorado, United States. The city population was 11,036 at the 2020 United States Census. Castle Pines is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor. The city is located north of the Town of Castle Rock and south of the City of Lone Tree, Colorado.
Cottonwood is a neighborhood in the Town of Parker, Colorado. A former census-designated place (CDP), the population was 931 at the 2000 census.
Heritage Hills is a neighborhood in the City of Lone Tree, Colorado. A former census-designated place (CDP), the population was 658 at the 2000 census. The Lone Tree Post Office serves the area.
Larkspur is a home rule municipality in Douglas County, Colorado, United States. The town population was 206 at the 2020 census. Each year, on weekends in June, July and August, the Colorado Renaissance Festival is held in the hills just west of the town. The town is served by Larkspur Elementary School, a K-6 school in the Douglas County school district. The according to William Bright the town was named for the plains larkspur.
Meridian is an unincorporated community and a census-designated place (CDP) located in and governed by Douglas County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Meridian CDP was 4,786 at the United States Census 2020. The CDP lies in ZIP code 80112.
Sedalia is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Douglas County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Sedalia post office has the ZIP Code 80135. At the United States Census 2020, the population of the Sedalia CDP was 177.
Kiowa is a home rule municipality town and the county seat of Elbert County, Colorado, United States. The town population was 725 at the 2020 United States Census.
The Town of LaSalle is a Statutory Town in Weld County, Colorado, United States. The town population was 2,359 at the 2020 United States Census.
Centennial is a home rule municipality located in Arapahoe County, Colorado, United States. The city population was 108,418 at the 2020 United States Census, making Centennial the 11th most populous municipality in Colorado. Centennial is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor.
The United States Office of Management and Budget has defined the 12-county Denver–Aurora, CO Combined Statistical Area comprising the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area, the Boulder, CO Metropolitan Statistical Area, and the Greeley, CO Metropolitan Statistical Area. The United States Census Bureau estimates that the population was 3,214,218 as of July 1, 2012, an increase of +3.99% since the 2010 United States Census, and ranking as the 16th most populous metropolitan combined statistical area and the 17th most populous primary statistical area of the United States. The population estimate for 2020 was 3,652,385.
The North Central Colorado Urban Area comprises the four contiguous metropolitan statistical areas in the north central region of the State of Colorado: the Denver–Aurora Metropolitan Statistical Area, the Boulder Metropolitan Statistical Area, the Fort Collins-Loveland Metropolitan Statistical Area, and the Greeley Metropolitan Statistical Area. With the exception of southeastern Elbert County, southeastern Park County, and tiny portions of southern Douglas County, the entire North Central Colorado Urban Area is drained by the South Platte River and its tributaries. The North Central Colorado Urban Area is the central, and the most populous, of the three primary subregions of the Front Range Urban Corridor.
Dove Valley is an unincorporated community and a census-designated place (CDP) located in and governed by Arapahoe County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Dove Valley CDP was 5,640 at the United States Census 2020. The Dove Valley Metropolitan District provides services to the area, which lies in ZIP code 80112.
The Front Range Urban Corridor is an oblong region of urban population located along the eastern face of the Southern Rocky Mountains, encompassing 18 counties in the US states of Colorado and Wyoming. The corridor derives its name from the Front Range, the mountain range that defines the western boundary of the corridor which serves as a gateway to the Rocky Mountains. The region comprises the northern portion of the Southern Rocky Mountain Front geographic area, which in turn comprises the southern portion of the Rocky Mountain Front geographic area of Canada and the United States. The Front Range Urban Corridor had a population of 5,055,344 at the 2020 Census, an increase of +16.65% since the 2010 Census.
United States 
Colorado 
