Washington County Population 2017

Washington County's estimated population is 24,839 with a growth rate of 0.18% in the past year according to the most recent United States census data. Washington County is the 46th largest county in Missouri.

Year Population Growth Growth Rate
201624,839440.18%
201524,795-310-1.23%
201425,105-60-0.24%
201325,165570.23%
201225,10840.02%
201125,104-75-0.30%
201025,1794,79923.55%
199020,3802,39713.33%
198017,9832,89719.20%
197015,0867405.16%
196014,346-343-2.34%
195014,689-2,803-16.02%
194017,4923,04221.05%
193014,4506474.69%
192013,8034253.18%
191013,378-885-6.20%
190014,2631,1108.44%
189013,1532571.99%
188012,8961,17710.04%
187011,7191,99620.53%
18609,72391210.35%
18508,8111,59822.15%
18407,2134296.32%
18306,7844,015145.00%
18202,7690.00%

Washington County Population Growth

Population Data via

Washington County Race Data

Race Population Percentage
White23,65995.25%
Black or African American5882.37%
Two or More Races3471.40%
American Indian and Alaska Native1250.50%
Asian700.28%
Native Hawaiian and Other Pacific Islander60.02%

Washington County Population Pyramid

0k0k0k1k1k1kWashington County Male Population0k0k0k1k1k1kWashington County Female Population

Population of Cities in Washington County

City 2010 Census 2016 Estimated Growth Growth Rate
Potosi26592643-16-0.60%
Irondale442441-1-0.23%
Mineral Point358349-9-2.51%
Caledonia13013000.00%
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