Clinton County Population 2018

Clinton County's estimated population is 47,010 with a growth rate of -0.48% in the past year according to the most recent United States census data. Clinton County is the 12th largest county in Iowa.

Year Population Growth Growth Rate
201747,010-226-0.48%
201647,236-309-0.65%
201547,545-337-0.70%
201447,882-382-0.79%
201348,264-436-0.90%
201248,700-386-0.79%
201149,086-6-0.01%
201049,092-1,948-3.82%
199051,040-6,082-10.65%
198057,1223730.66%
197056,7491,6893.07%
196055,0605,39610.87%
195049,6644,94211.05%
194044,7223450.78%
193044,3771,0062.32%
192043,371-2,023-4.46%
191045,3941,5623.56%
190043,8322,6336.39%
189041,1994,43612.07%
188036,7631,4063.98%
187035,35716,41986.70%
186018,93816,116571.08%
18502,8222,001243.73%
18408210.00%

Clinton County Population Growth

Population Data via

Clinton County Race Data

Race Population Percentage
White44,84095.38%
Black or African American1,4613.11%
Two or More Races8891.89%
Asian2640.56%
American Indian and Alaska Native1510.32%
Native Hawaiian and Other Pacific Islander120.03%

Clinton County Population Pyramid

0k1k1k2k2k Male Population0k1k1k2k2k 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