Washington County Population 2018

Washington County's estimated population is 4,938 with a growth rate of 1.90% in the past year according to the most recent United States census data. Washington County is the 51st largest county in Colorado.

Year Population Growth Growth Rate
20174,938921.90%
20164,846591.23%
20154,787551.16%
20144,732-11-0.23%
20134,743420.89%
20124,701-62-1.30%
20114,763-60-1.24%
20104,823110.23%
19904,812-492-9.28%
19805,304-246-4.43%
19705,550-1,075-16.23%
19606,625-895-11.90%
19507,520-816-9.79%
19408,336-1,255-13.09%
19309,591-1,617-14.43%
192011,2085,20686.74%
19106,0024,761383.64%
19001,241-1,060-46.07%
18902,3010.00%

Washington County Population Growth

Population Data via

Washington County Race Data

Race Population Percentage
White4,70795.32%
Two or More Races731.48%
Black or African American440.89%
Asian170.34%
American Indian and Alaska Native140.28%
Native Hawaiian and Other Pacific Islander50.10%

Washington County Population Pyramid

0k0k0k0k0k Male Population0k0k0k0k0k 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