 north madison is a census-designated place (cdp) in lake county, ohio, united states. the population was 8,547 at the 2010 census. ==geography== north madison is located at  (41.832044, -81.057826). according to the united states census bureau, the cdp has a total area of , all of it land. ==demographics== as of the 2010 census of 2010, there were 8,547 people, 3,323 households, and 2,306 families residing in the cdp. the population density was 2,120.2 people per square mile (813.7/kmÂ²). there were 3,323 housing units at an average densi
Census-designated_places_in_Ohio Populated_places_on_the_Great_Lakes