County
McHenry County
Illinois • United States
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McHenry County is a county in Illinois, United States. It has a population of about 310,229 and an area of 1,563 km². It contains 16 towns, 6 villages, and 1 city with a combined population of about 257,264. The largest are Crystal Lake (40,448), Algonquin (30,571), and Lake in the Hills (29,024). It was established in 1836. 3 official videos are published about the United States.
- Area
- 1,563 km²
- Established
- 1836
- Official website
- co.mchenry.il.us
Referenced in
Nou ka jwenn enfòmasyon sou kote sa a, e nou ka jwenn yon sèvis ki byen òganize e ki pa gen okenn rapò ak pwodui ki fèt.
Place data from GeoNames, used under CC BY 4.0 and modified for this site.


