Knox County Population 2017

Knox County's estimated population is 50,938 with a growth rate of -0.93% 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
201650,938-478-0.93%
201551,416-537-1.03%
201451,953-196-0.38%
201352,149-153-0.29%
201252,302-391-0.74%
201152,693-239-0.45%
201052,932-3,461-6.14%
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
White45,37289.07%
Black or African American4,0367.92%
Two or More Races1,2842.52%
Asian5101.00%
American Indian and Alaska Native1990.39%
Native Hawaiian and Other Pacific Islander150.03%

Knox County Population Pyramid

0k1k1k2k2kKnox County Male Population0k1k1k2k2kKnox County Female Population

Population of Cities in Knox County

City 2010 Census 2016 Estimated Growth Growth Rate
Galesburg3218930960-1229-3.82%
Abingdon32863149-137-4.17%
Knoxville29172811-106-3.63%
Wataga843807-36-4.27%
East Galesburg816792-24-2.94%
Oneida702674-28-3.99%
Yates City691664-27-3.91%
Williamsfield578555-23-3.98%
Altona529506-23-4.35%
Victoria316306-10-3.16%
Maquon289280-9-3.11%
Henderson255247-8-3.14%
Rio220213-7-3.18%
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