RoadsideThoughts
A Gazetteer for the United States and Canada
Home >> State of Colorado >> Arapahoe County  

Welcome to Arapahoe County ...

Time Zone: Arapahoe County lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time.

The community of Littleton is the Seat for Arapahoe County.

Arapahoe County is one of the original counties of Colorado and was founded November 1, 1861.

From the Census Estimates for 2019, <1> Arapahoe had a population of 656,590 people. This is an increase of 14.24% since the last Census (which gave a population of 574,747 people in 2010).

At the time of the 2010 Census, Arapahoe represented 11.43% of the total population of Colorado.

Below are some of the communities located in Arapahoe County:

  • Aurora
    (6 miles [9.7 km] to the north)
    • Aurora is located in Arapahoe County (CO)
    • Jump to our Gazetteer entry for Aurora
    • Population from the 2020 Census: 387,377 people
    • Jump to TripAdvisor's Tourism page for Aurora <2>
  • Bow Mar
    (11 miles [17.7 km] to the west)
    • Bow Mar is located in Arapahoe County (CO)
    • Jump to our Gazetteer entry for Bow Mar
    • Population from the 2020 Census: 947 people
  • Centennial
    (4 miles [6.4 km] to the southwest)
  • Cherry Hills Village
    (6 miles [9.7 km] to the west)
  • Columbine Valley
    (10 miles [16.1 km] to the west)
    • Columbine Valley is located in Arapahoe County (CO)
    • Jump to our Gazetteer entry for Columbine Valley
    • Population from the 2020 Census: 1,508 people
  • Deer Trail
    (42 miles [67.6 km] to the east)
  • Englewood
    (7 miles [11.3 km] to the west)
    • Englewood is located in Arapahoe County (CO)
    • Jump to our Gazetteer entry for Englewood
    • Population from the 2020 Census: 35,099 people
    • Jump to TripAdvisor's Tourism page for Englewood <2>
  • Foxfield
    (4 miles [6.4 km] to the southeast)
    • Foxfield is located in Arapahoe County (CO)
    • Jump to our Gazetteer entry for Foxfield
    • Population from the 2020 Census: 771 people
  • Continue List   (4 more) ...
    • Glendale
      (6 miles [9.7 km] to the northwest)
      • Glendale is located in Arapahoe County (CO)
      • Jump to our Gazetteer entry for Glendale
      • Population from the 2020 Census: 5,102 people
      • Jump to TripAdvisor's Tourism page for Glendale <2>
    • Greenwood Village
      (4 miles [6.4 km] to the southwest)
    • Littleton
      (9 miles [14.5 km] to the west)
      • Littleton is located in Arapahoe County (CO)
      • Jump to our Gazetteer entry for Littleton
      • Population from the 2020 Census: 46,000 people
      • Jump to TripAdvisor's Tourism page for Littleton <2>
    • Sheridan
      (9 miles [14.5 km] to the west)
      • Sheridan is located in Arapahoe County (CO)
      • Jump to our Gazetteer entry for Sheridan
      • Population from the 2020 Census: 6,027 people
      • Jump to TripAdvisor's Tourism page for Sheridan <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.