Washington County Population 2018

Washington County's estimated population is 10,121 with a growth rate of 0.57% in the past year according to the most recent United States census data. Washington County is the 29th largest county in Idaho.

Year Population Growth Growth Rate
201710,121570.57%
201610,0641551.56%
20159,909-57-0.57%
20149,966440.44%
20139,922-111-1.11%
201210,033-102-1.01%
201110,135-42-0.41%
201010,1771,62719.03%
19908,550-253-2.87%
19808,8031,17015.33%
19707,633-745-8.89%
19608,378-198-2.31%
19508,576-277-3.13%
19408,85389111.19%
19307,962-1,462-15.51%
19209,424-1,677-15.11%
191011,1014,21961.30%
19006,8823,04679.41%
18903,8362,957336.41%
18808790.00%

Washington County Population Growth

Population Data via

Washington County Race Data

Race Population Percentage
White9,46193.48%
Two or More Races1881.86%
American Indian and Alaska Native1481.46%
Asian1061.05%
Black or African American450.44%
Native Hawaiian and Other Pacific Islander190.19%

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