Washington County Population 2018

Washington County's estimated population is 14,030 with a growth rate of -1.27% in the past year according to the most recent United States census data. Washington County is the 76th largest county in Illinois.

Year Population Growth Growth Rate
201714,030-180-1.27%
201614,210-48-0.34%
201514,258-131-0.91%
201414,389-25-0.17%
201314,414-184-1.26%
201214,598240.16%
201114,574-138-0.94%
201014,712-253-1.69%
199014,965-507-3.28%
198015,4721,69212.28%
197013,7802111.56%
196013,569-891-6.16%
195014,460-1,341-8.49%
194015,801-485-2.98%
193016,286-1,749-9.70%
192018,035-724-3.86%
191018,759-767-3.93%
190019,5262641.37%
189019,262-1,850-8.76%
188021,1123,51319.96%
187017,5993,86828.17%
186013,7316,77897.48%
18506,9532,14344.55%
18404,8103,135187.16%
18301,67515810.42%
18201,5170.00%

Washington County Population Growth

Population Data via

Washington County Race Data

Race Population Percentage
White13,88298.95%
Two or More Races1511.08%
Black or African American1200.86%
Asian620.44%
American Indian and Alaska Native280.20%
Native Hawaiian and Other Pacific Islander30.02%

Washington County Population Pyramid

0k0k0k0k0k1k1k Male Population0k0k0k0k0k1k1k 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