18 and over, there were 92.0 males. The median income for a household in the CDP was $71,674, and the median income for a family was $78,624. Males had a median income of $57,961 versus $34,471 for females. The per capita income for the CDP was $30,912. About 3.3% of families and 3.2% of the population were below the poverty line, including 4.9% of those under age 18 and 3.8% of those age 65 or over. Grandwood Park is served by the Warren-Newport Public Library District. References Census-designated places in Illinois Census-designated places in Lake County, Illinois