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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. PW Fair Spotlight

    Play Date @ Public Works - Community Fair, June 29

    June 29, 9 a.m. - 1 p.m. Bring the whole family for FREE fun at our community fair. Touch a truck, build a city, fill a pothole, microchip a stuffed animal and more. Read on...
  2. volunteers

    Volunteers needed for 2018 Arapahoe County Fair July 26 - 29

    Arapahoe County Fair organizers are looking for enthusiastic and fun-loving people to volunteer their time during the 2018 Fair, July 26 - 29. Individuals and groups are needed each year to help make the Fair a success. http://bit.ly/ACGfairvolunteer. Read on...
  3. Fair_Carnival

    Join us for the Arapahoe County Fair July 26 - 29; $10 tickets on sale now

    It’s almost summer and that means the County Fair is just around the corner, July 26 - 29 at the Arapahoe County Fairgrounds and Events Center in Aurora. It’s a super bargain with online admission tickets only $10 per person. www.arapahoecountyfair.com. Read on...
  4. personal_fireworks_newsflash

    Arapahoe County bans sale, use of fireworks due to high fire danger

    Due to high fire danger and ongoing drought conditions, Arapahoe County approved a ban on the sale, use of fireworks in unincorporated portions of the county. The ban is in effect for one year and can be rescinded if drought and fire conditions improve. Read on...
  5. Primary Election

    Mail ballots will arrive by June 9 for Primary Election

    Here are five things for Democratic, Republican and Unaffiliated voters to know about the June 26 Primary Election. Read on...
  6. 2017 Open Space Annual Report

    2017 Open Spaces Annual Report

    Check out the 2017 Open Spaces Annual Report and see your tax dollars at work. Read on...
  7. ArapAlert

    Help us keep you safe in an emergency. Sign up to receive 911 notifications through ArapAlert

    On May 21, the Arapahoe County 911 Authority sent an email to subscribers of the County’s 911 alert system. If you received this email, we want to assure you that this is an official email from the 911 Authority. Please subscribe to ArapAlert today. Sign Up
  8. Contractor

    Building Division launches contractor licensing program

    Effective June 1, 2018 Read on...
  9. APWA Accreditation

    Public Works and Development becomes first County in Colorado to earn national accreditation

    Arapahoe County’s Public Works and Development Department is the first county and the eighth agency in Colorado to receive the prestigious American Public Works Association Accreditation designation. Read on...
  10. 17 Mile House

    17 Mile House Barn

    Iconic red barn at 17 Mile House to be preserved with History Colorado - State Historical Fund grant 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
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  1. County News
  1. PW Fair Spotlight

    Play Date @ Public Works - June 29 Community Fair

    June 29, 9 a.m. - 1 p.m. Bring the whole family for FREE fun at our community fair Read on...
  2. Return One Ballot. Vote Only One.

    Unaffiliated voters: Return only ONE ballot in the Primary Election

    To-date, 366 unaffiliated voters have voted both the Democratic and Republican ballots. By law, these ballots must be rejected and will not count. Read on...
  3. volunteers

    Volunteers needed for 2018 Arapahoe County Fair July 26 - 29

    Arapahoe County Fair organizers are looking for enthusiastic and fun-loving people to volunteer their time during the 2018 Fair, July 26 - 29. Individuals and groups are needed each year to help make the Fair a success. http://bit.ly/ACGfairvolunteer. Read on...
  1. Fair_Carnival

    Join us for the Arapahoe County Fair July 26 - 29; $10 tickets on sale now

    It’s almost summer and that means the County Fair is just around the corner, July 26 - 29 at the Arapahoe County Fairgrounds and Events Center in Aurora. It’s a super bargain with online admission tickets only $10 per person. www.arapahoecountyfair.com. Read on...
  2. personal_fireworks_newsflash

    Arapahoe County bans sale, use of fireworks due to high fire danger

    Due to high fire danger and ongoing drought conditions, Arapahoe County approved a ban on the sale, use of fireworks in unincorporated portions of the county. The ban is in effect for one year and can be rescinded if drought and fire conditions improve. Read on...
  3. A sign stands outside a brick building displaying the words Vote Here. Arapahoe County Voter Service

    Arapahoe County seeks comment on Voter Service and Polling Centers for Nov. 6 General Election

    Attend a public hearing at 6 p.m., June 12 or provide written comments on the proposed voting locations for November. Read on...
View All News
/CivicAlerts.aspx
  1. Calendar

June 2018

Sun Mon Tue Wed Thu Fri Sat
27 28 29 30 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. Mon Jun. 25

    Study Sessions
    Read More

  2. Mon Jun. 25

    Open Space and Trails Advisory Board (OSTAB) Monthly Meeting
    Read More

  3. Tue Jun. 26

    Primary Election Day Voter Service and Polling Centers and ballot boxes in Arapahoe County will be open 7 a.m. to 7 p.m.
    Read More

  1. Tue Jun. 26

    Public Meeting
    Read More

  2. Tue Jun. 26

    Study Sessions
    Read More

  3. Thu Jun. 28

    Cones With Cops -- Join your neighbors and local law enforcement for an ice cream cone and conversation.
    Read More
View All Calendars
/Calendar.aspx
  1. Agendas & Minutes

June 2018

Sun Mon Tue Wed Thu Fri Sat
27 28 29 30 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. Mon Jun. 25

    Study Sessions
    Read More

  2. Tue Jun. 26

    Public Meeting
    Read More

  3. Tue Jun. 26

    Study Sessions
    Read More

  1. Mon Jul. 2

    Study Sessions
    Read More

  2. Tue Jul. 3

    Public Meeting
    Read More

  3. Tue Jul. 3

    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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