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  1. Arapahoe County Colorado

    Welcome to Arapahoe County which has a rich, vibrant history and the distinction of being Colorado's first county. Arapahoe County spans 850 square miles and is a land of contrast. The western part of the county is mostly urban with residential, retail, office and industrial areas, while the eastern portion is relatively rural.
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Spotlight

  1. Arapahoe County, Colorado is the state's first county and the third largest with a total population of 631,096 and unincorporated population of 83,764. The County spans 805 square miles and is a land of contrast.
  1. June 7 Play Date

    Little kids, big trucks, family fun at annual Public Works Play Date

    Free active learning at June 7 community event Read on...
  2. Memorial Day

    Memorial Day

    Arapahoe County Government Offices will be closed on Monday, May 27 in observance of Memorial Day.
  3. Resident&#39s Taskforce

    Resident’s taskforce to assess county needs kicks off work

    Taskforce evaluates County needs, advises Commissioners on how to meet those needs. Read on...
  4. County Conversations

    County Conversations

    We’ll be working with you to plan our future together Read on...
  5. House

    Assessor Announces 2019 Real Property Values

    Updated property valuations will be mailed May 1 Read on...
  6. Aid to Agencies

    Aid to Agencies

    Arapahoe County invites non-profits to apply for Aid to Agencies grants Read on...
/CivicAlerts.aspx

Stay Engaged

  1. Arapahoe County was named for the Arapaho Indians, who along with the Cheyenne Indians occupied most of Colorado when it was only a territory.
  1. County News
  2. Calendar
  3. Agendas & Minutes
  4. Social Media
  5. Get Involved
  1. County News
  1. June 7 Play Date

    Little kids, big trucks, family fun at annual Public Works Play Date

    Free active learning opportunities at June 7 community event Read on...
  2. Resident&#39s Taskforce

    County resident’s taskforce to assess county needs kicks off work

    Residents from across County work to evaluate County needs and advise County Commissioners on how to meet those needs. Read on...
  3. Resident&#39s Taskforce

    Taskforce named to review Arapahoe County needs, make recommendations to commissioners

    Board of Commissioners announce advisory task force that will help guide future county needs. Read on...
  1. 911 Authority

    Lifesaving Location Data Now Available to Arapahoe County 9-1-1 Authority

    RapidSOS NG911 Clearinghouse allows easy confirmation of location from mobile callers Read on...
  2. House

    Arapahoe County Assessor Announces 2019 Real Property Values

    Updated property valuations will be mailed May 1. Read on...
  3. Backyard Bees/Chickens Allowed

    Arapahoe County approves new regulations for beekeeping and backyard chickens

    New rules are a result of two-year, community-driven process Read on...
View All News
/CivicAlerts.aspx
  1. Calendar

May 2019

Sun Mon Tue Wed Thu Fri Sat
28 29 30 1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31 1

  1. Mon May 27

    Memorial Day - Sheriff's Office Lobby Closed -- Our main lobby is closed today, but dispatchers and deputies are here to assist you 24 hours a day. Call 303-795-4711, or use 911 in an emergency.
    Read More

  2. Mon May 27

    Study Sessions Cancelled - County Observed Holiday
    Read More

  3. Tue May 28

    Public Meeting
    Read More

  1. Tue May 28

    Study Sessions
    Read More

  2. Mon Jun. 3

    Study Sessions
    Read More

  3. Tue Jun. 4

    Public Meeting
    Read More
View All Calendars
/Calendar.aspx
  1. Agendas & Minutes

May 2019

Sun Mon Tue Wed Thu Fri Sat
28 29 30 1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31 1

  1. Mon May 27

    Study Sessions Cancelled - County Observed Holiday
    Read More

  2. Tue May 28

    Public Meeting
    Read More

  3. Tue May 28

    Study Sessions
    Read More

  1. Mon Jun. 3

    Study Sessions
    Read More

  2. Tue Jun. 4

    Public Meeting
    Read More

  3. Tue Jun. 4

    Study Sessions
    Read More
View All Calendars
/Calendar.aspx
  1. Social Media
Tweets by ArapahoeCounty
  1. Get Involved
  1. Bike to Work Day

    Get Involved in Arapahoe County

    There are many ways citizens can get involved, from volunteering to serving on a citizen board or committees. Read on...
View All
/CivicAlerts.aspx
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Contact

  1. Arapahoe County Government 

    Administration Building
    5334 S. Prince Street
    Littleton, CO 80120-1136
    Relay Colorado: 711

    Phone: 303-795-4400

    All County Offices

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