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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. in home daycare

    Building code updated to increase number of children allowed in home daycares

    Regulations to match state licensing allowances Read on...
  2. Space Command

    Colorado-based U.S. Space Command

    Arapahoe County endorses Colorado-based U.S. Space Command Read on...
  3. Chicken and Bees

    Arapahoe County approves new regulations for beekeeping and backyard chickens

    New rules are a result of two-year, community-driven process Read on...
  4. Aid to Agencies

    Aid to Agencies

    Arapahoe County invites non-profits to apply for Aid to Agencies grants Read on...
  5. 17 Mile House Farm Park Iconic Red Barn with windmill

    Construction to begin on iconic red barn at 17 Mile House Farm Park

    The iconic red barn at Arapahoe County’s 17 Mile House Farm Park will soon be stabilized as construction on the $320,000 project is slated to start this month, which will limit access at the park until fall 2019. Read on...
  6. Trail Map without pics for website

    Construction Closes Cherry Creek Trail

    Trail improvements starting Jan. 28 include new pedestrian bridge and safer underpass Read on...
  7. 17MH Spotlight

    17 Mile House Tours

    Residents can step back in time during a visit to 17 Mile House. Read on...
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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. in home daycare

    Arapahoe County building code updated to increase number of children allowed in home daycares

    Effective immediately, County regulations will match state licensing allowances Read on...
  2. Colorado-space-command

    Colorado-based U.S. Space Command

    Arapahoe County endorses Colorado-based U.S. Space Command Read on...
  3. Digital Edge 50 2019 Group

    Arapahoe County accepts national award for leading digital innovation in Human Services

    Tech media giant, IDG Enterprises, awards 2019 Digital Edge 50 to Human Services and Information Technology Read on...
  1. Chickens

    Arapahoe County approves new regulations for beekeeping and backyard chickens

    New rules are a result of two-year, community-driven process Read on...
  2. Aid to Agencies

    Aid to Agencies

    Arapahoe County invites non-profits to apply for Aid to Agencies grants Read on...
  3. 17 Mile House Farm Park Iconic Red Barn with windmill

    Construction to begin on iconic red barn at 17 Mile House Farm Park

    The iconic red barn at Arapahoe County’s 17 Mile House Farm Park will soon be stabilized as construction on the $320,000 project is slated to start this month, which will limit access at the park until fall 2019. Read on...
View All News
/CivicAlerts.aspx
  1. Calendar

April 2019

Sun Mon Tue Wed Thu Fri Sat
31 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 1 2 3 4

  1. Mon Apr. 29

    Study Sessions
    Read More

  2. Tue Apr. 30

    Public Meeting
    Read More

  3. Tue Apr. 30

    Study Sessions
    Read More

  1. Thu May 2

    17 Mile House- House Closed to the Public
    Read More

  2. Thu May 2

    Denver Metroplex Project Meeting - Aurora Environmental Review - Denver Metroplex Project The proposed Denver Metroplex project would allow for more direct and efficient routing of aircraft into and out of Denver and surrounding airports; thus enhancing aviation safety and reducing flight delays. The Denver Metroplex project is a federal action under the National Environmental Policy Act (NEPA).
    Read More

  3. Sat May 4

    17 Mile House - Open House 17 Mile House Open House 09:00-12:00 -
    Read More
View All Calendars
/Calendar.aspx
  1. Agendas & Minutes

April 2019

Sun Mon Tue Wed Thu Fri Sat
31 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 1 2 3 4

  1. Mon Apr. 29

    Study Sessions
    Read More

  2. Tue Apr. 30

    Public Meeting
    Read More

  3. Tue Apr. 30

    Study Sessions
    Read More

  1. Mon May 6

    Study Sessions
    Read More

  2. Tue May 7

    Public Meeting
    Read More

  3. Tue May 7

    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
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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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