North Madison is a census-designated place (CDP) comprising the unincorporated communities of Redbird and Madison-on-the-Lake in Lake County, Ohio, United States. The population was 8,547 at the 2010 census. The CDP is located 1 mile (1.6 km) north of the unincorporated community of North Madison and U.S. Route 20. The Place uses a mailing habitat of “Madison”, with the ZIP Code 44057.

The North Madison CDP is located in northeastern Lake County at 41°49′55″N 81°3′28″W / 41.83194°N 81.05778°W / 41.83194; -81.05778 (41.832044, -81.057826), along the shore of Lake Erie in the northern part of Madison Township. The Place known as Redbird is in the western portion of the CDP, and Madison-on-the-Lake is in the eastern part. It is 4 miles (6 km) north of the village of Madison, 7 miles (11 km) northwest of Geneva, and 9 miles (14 km) northeast of Perry.

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

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/km²). There were 3,323 housing units at an average density of 852.5/sq mi (329.1/km). The racial makeup of the CDP was 98.4% White, 0.9% African American, 0.8% Native American, 0.38% Asian, 0.6% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 1.8% of the population.