Douglas County is a county in the U.S. state of Colorado, CO with an estimated population of 342,776 as of July 1, 2018 and is thus ranked 64 in the United States.
In contrast to the 2010 census, the population of Douglas County was still 285,465. This means that the 2018 population percent change from 2010 population of Douglas County has risen by 20.1%.
Douglas County is formed in 1861-11-01 and covers an total area of 842.87 square miles. This area is divided into 840.25 square miles land area and 2.62 square miles water area. Density per square kilometre of land area are 339.7 of population in 127.2 housing units.
There were 106,859 housing units in the whole of Douglas County for the 2010 census with 102.018 total households, 79.108 of them family households. At the 1990 census, the population of Douglas County was still 60,391. 2011 population percent change from 1990 population of Douglas County was still 372,69 %, or expressed in detail 225.074 inhabitants. 2017 ACS Population - High School Diploma or more as a percent of 2017 ACS Population - Population 25 and over was 97.9% (percent) and is ranked number 10 of all counties in the United States.
Labor Force 2018 in Douglas County was 191,24 and is ranked number 179, with a Unemployment Rate 2018 of 2.9 % (percent), which is ranked on number 2532 of all counties in the United States. Median Household Income 2017 was $112,386 (percent), which is ranked on number 11 of all counties in the United States. To the area of Douglas County also includes Denver-Aurora-Lakewood, CO Metropolitan Statistical Area and Denver-Aurora, CO Combined Statistical Area.