Northbrook Homes for Sale offers the best of Chicago’s North Shore. Northbrook is a community on Chicago’s North Shore, situated at the northern edge and the county is Cook, state is Illinois. It incorporated in 1901 and named Shermeville in honor of Frederick Schermer and the village changed its name to Northbrook in 1923. The estimated median yearly income for a household in the village was 103,053 dollars and the median income for a family was 124,916 dollars. Male had a median income of $97,459 on the other side $54,970 for females. 51,719 dollars was the per capita income for the village.