Clark County Population 2018

Clark County's estimated population is 15,767 with a growth rate of -0.51% in the past year according to the most recent United States census data. Clark County is the 71st largest county in Illinois.

Year Population Growth Growth Rate
201715,767-81-0.51%
201615,848-17-0.11%
201515,865-180-1.12%
201416,045-50-0.31%
201316,095-163-1.00%
201216,258580.36%
201116,200-91-0.56%
201016,2913702.32%
199015,921-992-5.87%
198016,9136974.30%
197016,216-330-1.99%
196016,546-816-4.70%
195017,362-1,480-7.85%
194018,8429705.43%
193017,872-3,293-15.56%
192021,165-2,352-10.00%
191023,517-516-2.15%
190024,0332,1349.74%
189021,89950.02%
188021,8943,17516.96%
187018,7193,73224.90%
186014,9875,45557.23%
18509,5322,07927.89%
18407,4533,51389.16%
18303,9403,009323.20%
18209310.00%

Clark County Population Growth

Population Data via

Clark County Race Data

Race Population Percentage
White15,62099.07%
Two or More Races1540.98%
Black or African American750.48%
Asian540.34%
American Indian and Alaska Native360.23%
Native Hawaiian and Other Pacific Islander40.03%

Clark 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