Iroquois County Population 2018

Iroquois County's estimated population is 28,334 with a growth rate of -1.11% in the past year according to the most recent United States census data. Iroquois County is the 51st largest county in Illinois.

Year Population Growth Growth Rate
201628,334-317-1.11%
201528,651-153-0.53%
201428,804-178-0.61%
201328,982-318-1.09%
201229,300-218-0.74%
201129,518-159-0.54%
201029,677-1,110-3.61%
199030,787-2,189-6.64%
198032,976-556-1.66%
197033,532-30-0.09%
196033,5621,2143.75%
195032,348-148-0.46%
194032,496-417-1.27%
193032,913-1,928-5.53%
192034,841-702-1.98%
191035,543-2,471-6.50%
190038,0142,8478.10%
189035,167-284-0.80%
188035,4519,66937.50%
187025,78213,457109.18%
186012,3258,176197.06%
18504,1492,454144.78%
18401,6950.00%

Iroquois County Population Growth

Population Data via

Iroquois County Race Data

Race Population Percentage
White27,72197.84%
Two or More Races3491.23%
Black or African American3121.10%
Asian1700.60%
American Indian and Alaska Native920.32%
Native Hawaiian and Other Pacific Islander70.02%

Iroquois County Population Pyramid

0k0k0k1k1k1k1k Male Population0k0k0k1k1k1k1k 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