Clinton County Population 2018

Clinton County's estimated population is 37,614 with a growth rate of 0.13% in the past year according to the most recent United States census data. Clinton County is the 38th largest county in Illinois.

Year Population Growth Growth Rate
201737,614490.13%
201637,565-89-0.24%
201537,654140.04%
201437,640-87-0.23%
201337,727-184-0.49%
201237,911-110-0.29%
201138,0211810.48%
201037,8403,89611.48%
199033,9441,3274.07%
198032,6174,30215.19%
197028,3154,28617.84%
196024,0291,4356.35%
195022,594-318-1.39%
194022,9121,5437.22%
193021,369-1,578-6.88%
192022,9471150.50%
191022,8323,00815.17%
190019,8242,41313.86%
189017,411-1,303-6.96%
188018,7142,42914.92%
187016,2855,34448.84%
186010,9415,802112.90%
18505,1391,42138.22%
18403,7181,38859.57%
18302,3300.00%

Clinton County Population Growth

Population Data via

Clinton County Race Data

Race Population Percentage
White35,64894.77%
Black or African American1,3673.63%
Two or More Races4241.13%
Asian2070.55%
American Indian and Alaska Native1390.37%
Native Hawaiian and Other Pacific Islander240.06%

Clinton County Population Pyramid

0k1k1k2k Male Population0k1k1k2k 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