River Grove Homes for Sale offers some of the best homes in Chicago! River Grove is a township which located in Cook County, IL. The population was 10,227 according to the 2010 census. According to the 2010 census, the village has a total area of 2.39 square miles around 6.2 km2, all land. As the census 2010 the median income for a household in the village was 40,050 dollars, and the median income for a family was 48,022 dollars. Males working full?time had a median income of $37,279 versus $26,781 for females. In River Grove per capita income was $20,390. About 5.4% of families and approximately 5.9% of the population were under the poverty line. You should know about the best hot dog in the America. The hot dogs stand Gene’s & Jude’s is situated on Grand Avenue and Des Plaines River Road, specializing in a variation of Chicago?style hot dogs.