North Madison is a census-designated place (CDP) comprising the unincorporated communities of Redbird and Madison-on-the-Lake[4] in Lake County, Ohio, United States.

The area uses a mailing address of "Madison", with the ZIP Code 44057.

According to the United States Census Bureau, the CDP has a total area of 3.9 square miles (10.1 km2), all of it land.

There were 3,323 housing units at an average density of 852.5 per square mile (329.2/km2).

24.8% of all households were made up of individuals, and 8.6% had someone living alone who was 65 years of age or older.