Volo is a village in Lake County, Illinois, United States.

13.5% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.

About 13.5% of families and 33.0% of the population were below the poverty line, including 55.1% of those under the age of eighteen and 33.3% of those 65 or over.

[9] Cyrus Mark, the first president of the Illinois Nature Conservancy, spearheaded the effort to purchase Volo Bog for preservation.

[9] Cyrus was the son of steel magnate Clayton Mark, the builder of the planned worker community named Marktown.