Population Census 2020
Cook County
• Barrington*
2020 = 10,722
2010 = 10,327
DuPage County
2020 = 932,877
2010 = 916,924
• Addison
2020 = 35,702
2010 = 36,942
• Bensenville
2020 = 18,813
2010 = 18,352
• Roselle
2020 = 22,897
2010 = 22,763
• Warrenville
2020 = 13,553
2010 = 13,140
• Wood Dale
2020 = 14,012
2010 = 13,770
• Woodridge
2020 = 34,158
2010 = 32,971
Kane County
2020 = 516,522
2010 = 515,269
• Elburn
2020 = 6,175
2010 = 5,602
• Huntley
2020 = 27,740
2010 = 24,291
• North Aurora
2020 = 18,261
2010 = 16,760
• Pingree Grove
2020 = 10,365
2010 = 4,532
Kendall County
2020 = 131,869
2010 = 114,736
• Channahon
2020 = 13,383
2010 = 12,560
• Minooka
2020 = 12,758
2010 = 10,924
McHenry County
• Algonquin*
2020 = 29,700
2010 = 30,046
Will County
2020 = 696,355
2010 = 677,560
• Frankfort
2020 = 20,296
2010 = 17,782
• Mokena
2020 = 19,887
2010 = 18,740
• Shorewood
2020 = 18,186
2010 = 15,615
• University Park
2020 = 7,145
2010 = 7,129
—census.gov
*Shares county line with Kane County.
Previous population figures are at thevoice.us/census-2020-selected-communities-of-5000-and-more-population.