COUNTY

Population:
260077 (2000 census)

CITIES

City	Type	Population
Crystal Lake, IL	city	38000
Algonquin, IL	village	23276
Lake in the Hills, IL	village	23152
McHenry, IL	city	21501
Woodstock, IL	city	20151
Cary, IL	village	15531
Harvard, IL	city	7996
Marengo, IL	city	6355
Huntley, IL	village	5730
Johnsburg, IL	village	5391
Fox River Grove, IL	village	4862
Spring Grove, IL	village	3880
Pistakee Highlands, IL	CDP	3812
Lakewood, IL	village	2337
Oakwood Hills, IL	village	2194
Wonder Lake, IL	village	1345
Richmond, IL	village	1091
McCullom Lake, IL	village	1038
Hebron, IL	village	1038
Prairie Grove, IL	village	960
Holiday Hills, IL	village	831
Bull Valley, IL	village	726
Trout Valley, IL	village	599
Union, IL	village	576
Ringwood, IL	village	471
Greenwood, IL	village	244

Copyright ©2025