Douglas County Population 2018

Douglas County's estimated population is 335,299 with a growth rate of 2.31% in the past year according to the most recent United States census data. Douglas County is the 7th largest county in Colorado.

Year Population Growth Growth Rate
2017335,2997,5772.31%
2016327,7226,2381.94%
2015321,4847,2342.30%
2014314,2508,3062.71%
2013305,9447,4982.51%
2012298,4466,0762.08%
2011292,3705,4231.89%
2010286,947226,556375.15%
199060,39135,238140.09%
198025,15316,746199.19%
19708,4073,59174.56%
19604,8161,30937.33%
19503,507110.31%
19403,496-2-0.06%
19303,498-19-0.54%
19203,51732510.18%
19103,192722.31%
19003,1201143.79%
18903,00652020.92%
18802,4861,09879.11%
18701,3880.00%

Douglas County Population Growth

Population Data via

Douglas County Race Data

Race Population Percentage
White293,97587.68%
Asian14,3374.28%
Two or More Races7,9982.39%
Black or African American4,2371.26%
American Indian and Alaska Native1,5030.45%
Native Hawaiian and Other Pacific Islander3310.10%

Douglas County Population Pyramid

0k5k10k15k Male Population0k5k10k15k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990