Knox County Population 2018

Knox County's estimated population is 50,638 with a growth rate of -0.60% in the past year according to the most recent United States census data. Knox County is the 29th largest county in Illinois.

Year Population Growth Growth Rate
201750,638-307-0.60%
201650,945-368-0.72%
201551,313-576-1.11%
201451,889-195-0.37%
201352,084-187-0.36%
201252,271-405-0.77%
201152,676-229-0.43%
201052,905-3,488-6.19%
199056,393-5,214-8.46%
198061,6073270.53%
197061,2800.00%
196061,2806,91412.72%
195054,3662,1164.05%
194052,2509141.78%
193051,3364,6099.86%
192046,7275681.23%
191046,1592,5475.84%
190043,6124,86012.54%
189038,7524081.06%
188038,344-1,178-2.98%
187039,52210,85937.89%
186028,66315,384115.85%
185013,2796,21988.09%
18407,0606,7862476.64%
18302740.00%

Knox County Population Growth

Population Data via

Knox County Race Data

Race Population Percentage
White45,37289.60%
Black or African American4,0367.97%
Two or More Races1,2842.54%
Asian5101.01%
American Indian and Alaska Native1990.39%
Native Hawaiian and Other Pacific Islander150.03%

Knox 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