 Estimates are not comparable to other geographic levels due to methodology differences that may exist between different data sources. 2.09% of residents are not US citizens. Different vintage years of estimates are not comparable. QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits. Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants. All Topics Population Age and Sex Race and Hispanic Origin Population Characteristics Housing Families & Living Arrangements Computer and Internet Use Education Health Economy Transportation Income & Poverty Businesses Geography. Akron is the County Seat and is also home to the Washington County Museum, Colorado Plains Regional Airport, Washington County Golf Course, Washington County Fairgrounds and Events Center with the first home-owned carnival in Colorado. Washington County ranks 12th largest of the 64 Colorado counties with a total of 2524 square miles. Washington County, Colorado's estimated population is 4,855 with a growth rate of -0.55% in the past year according to the most recent United States census data. Colorado County Growth. Washington County, Colorado is the 53rd largest county in Colorado. The poverty rate among those that worked full-time for the past 12 months was 3.42%. The counties with the highest growth are all neighboring, beginning with Larimer County and Weld County along the northern border, and ending with El Paso County. The county was named in honor of the first president of the United States of America, George Washington. Washington County Facts. The 2015 population was 4,814 averaging over 320 acres for every man, woman and child. 96.86% of Washington County, Colorado residents were born in the United States, with 65.68% having been born in Colorado. As of the 2010 census, the population was 4,814. The race least likely to be in poverty in Washington County, Colorado is White, with 9.51% below the poverty level. Some estimates presented here come from sample data, and thus have sampling errors that may render some apparent differences between geographies statistically indistinguishable. Facts: State: Colorado: Land area: 2,518.0 square miles: Population Density: 1.9 persons per square mile. There are 3,732 adults, (944 of whom are seniors) in Washington County, Colorado. Among those working part-time, it was 12.68%, and for those that did not work, the poverty rate was 16.97%. QuickFacts Washington County, Colorado; United States. The highest rate of bachelors degrees is among multiple races people with a rate of 33.33%. Total population in Washington County ; Total Population: 4,814; Male Population: 2,458; Female Population: 2,356 Population estimates, July 1, 2019, (V2019), Population estimates base, April 1, 2010, (V2019), Population, percent change - April 1, 2010 (estimates base) to July 1, 2019, (V2019), American Indian and Alaska Native alone, percent, Native Hawaiian and Other Pacific Islander alone, percent, White alone, not Hispanic or Latino, percent, Owner-occupied housing unit rate, 2014-2018, Median value of owner-occupied housing units, 2014-2018, Median selected monthly owner costs -with a mortgage, 2014-2018, Median selected monthly owner costs -without a mortgage, 2014-2018, Living in same house 1 year ago, percent of persons age 1 year+, 2014-2018, Language other than English spoken at home, percent of persons age 5 years+, 2014-2018, Households with a computer, percent, 2014-2018, Households with a broadband Internet subscription, percent, 2014-2018, High school graduate or higher, percent of persons age 25 years+, 2014-2018, Bachelor's degree or higher, percent of persons age 25 years+, 2014-2018, With a disability, under age 65 years, percent, 2014-2018, Persons without health insurance, under age 65 years, percent, In civilian labor force, total, percent of population age 16 years+, 2014-2018, In civilian labor force, female, percent of population age 16 years+, 2014-2018, Total accommodation and food services sales, 2012 ($1,000), Total health care and social assistance receipts/revenue, 2012 ($1,000), Total manufacturers shipments, 2012 ($1,000), Total merchant wholesaler sales, 2012 ($1,000), Mean travel time to work (minutes), workers age 16 years+, 2014-2018, Median household income (in 2018 dollars), 2014-2018, Per capita income in past 12 months (in 2018 dollars), 2014-2018, Total employment, percent change, 2017-2018. Of those not born in the United States, the largest percentage are from Latin America. From the time of the 2010 Census until 2015 when the US Census Bureau took population estimates, several counties in the state posted significant growth rates. Click the Quick Info  icon to the left of each row in TABLE view to learn about sampling error. QuickFacts provides statistics for all states and counties, and for cities and towns with a population of 5,000 or more. Washington County, Colorado. The race most likely to be in poverty in Washington County, Colorado is Native, with 66.67% below the poverty level. The county seat is Akron. QuickFacts provides statistics for all states and counties, and for cities and towns with a population of 5,000 or more.