Derby is an unincorporated community and a census-designated place (CDP) located in and governed by Adams County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Derby CDP was 8,407 at the United States Census 2020. The Commerce City post office serves the area.
Strasburg is an unincorporated town located east of downtown Denver along the I-70 corridor. It is home to Strasburg School District 31-J, and there are several small businesses, medical clinics, and a post office. Strasburg is a census-designated place (CDP) located in and governed by Adams and Arapahoe counties, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Strasburg post office has the ZIP Code 80136. At the United States Census 2020, the population of the Strasburg CDP was 3,307.
Byers is an unincorporated town, a post office, 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 Byers post office has the ZIP Code 80103. At the United States Census 2020, the population of the Byers CDP was 1,322.
Columbine is a census-designated place (CDP) in and governed by Jefferson and Arapahoe counties in Colorado, United States. The CDP is a part of the Denver metropolitan area. Located primarily in Jefferson County, Columbine lies immediately south of Denver. The population of the Columbine CDP was 25,229 at the 2020 census. The community lies in ZIP code 80123.
Arboles is an unincorporated community, and a census-designated place (CDP) located in and governed by Archuleta County, Colorado, United States. The Arboles post office has the ZIP code 81121. At the United States Census 2020, the population of the Arboles CDP was 308. The town's name means "trees" in Spanish.
Atwood is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Logan County, Colorado, United States. The CDP is a part of the Sterling, CO Micropolitan Statistical Area. The Atwood post office has the ZIP Code 80722. At the United States Census 2020, the population of the Atwood CDP was 138.
Avondale is a census-designated place (CDP) and post office in and governed by Pueblo County, Colorado, United States. The CDP is a part of the Pueblo, CO Metropolitan Statistical Area. The Avondale post office has the ZIP Code 81022. At the United States Census 2020, the population of the Avondale CDP was 594, while the population of the 81022 ZIP Code Tabulation Area was 1,624 including adjacent areas.
Watkins is an unincorporated town and a census-designated place (CDP) located in and governed by Arapahoe and Adams counties, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The census-designated place borders Aurora, and the Watkins post office, which lies within the Aurora city limits, has the ZIP Code 80137. At the United States Census 2020, the population of the Watkins CDP was 682.
Cherry Creek 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 Cherry Creek CDP was 11,488 at the United States Census 2020. The ZIP code 80111 serves the area.
Amherst is a census-designated place (CDP) and a post office in and governed by Phillips County, Colorado, United States. As of the United States Census 2020, the population of the Amherst CDP was 47.
Briggsdale is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Weld County, Colorado, United States. The CDP is a part of the Greeley, CO Metropolitan Statistical Area. The Briggsdale post office has the ZIP Code 80611. At the United States Census 2020, the population of the Briggsdale CDP was 134.
Gardner is a census-designated place (CDP) and post office in and governed by Huerfano County, Colorado, United States. The Gardner post office has the ZIP Code 81040. At the United States Census 2020, the population of the Gardner CDP was 106.
Phippsburg is a census-designated place (CDP) and a post office in and governed by Routt County, Colorado, United States. The population was 234 at the 2020 census. The CDP is a part of the Steamboat Springs, CO Micropolitan Statistical Area. The Phippsburg post office has the ZIP Code 80469.
Altona is an unincorporated community and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The population of the Altona CDP was 512 at the United States Census 2020. The Boulder post office serves the area.
Aetna Estates 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 Aetna Estates CDP was 1,496 at the United States Census 2020. The unincorporated community is surrounded by Aurora and lies in ZIP Code 80018.
Brick Center 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 Brick Center CDP was 105 at the United States Census 2020. The Bennett post office serves the area.
Comanche Creek 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 Comanche Creek CDP was 442 at the United States Census 2020. The Strasburg post office serves the area.
Holly Hills is an unincorporated community and a census-designated place (CDP) located in and governed by Arapahoe County, Colorado, United States. Holly Hills is an enclave of the City and County of Denver. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Holly Hills CDP was 2,683 at the United States Census 2020. The Denver post office 80222 serves the area.
Peoria 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 Peoria CDP was 153 at the United States Census 2020. The Byers post office serves the area.
Four Square Mile is an unincorporated community and a census-designated place (CDP) located in and governed by Arapahoe County, Colorado, United States. The population was 22,872 at the 2020 census. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The CDP is surrounded by Denver on the north, west, and south and by Aurora on the east. The name is derived from the four square miles bounded by Quebec Street, Mississippi Avenue, Havana Street and Yale Avenue. Annexation of the Arapahoe County enclave was contested between Denver and Aurora in the early 1970s, with Denver annexing east from Quebec Street and Aurora west from Havana Street. Denver’s annexations were ultimately stopped by the Poundstone Amendment; Aurora is not similarly limited but made its most recent annexation to Dayton Street in 1984, leaving nearly three of the four square miles unincorporated. The Four Square Mile CDP includes Sullivan, a previous unincorporated community designation. The area lies in ZIP codes 80231 and 80247.
