Madison County, Nebraska
Madison County is a county in the U.S. state of Nebraska. As of the 2020 census, the population was 35,585, and was estimated to be 36,106 in 2025, making it the seventh-most populous county in Nebraska. The county seat is Madison and the largest city is Norfolk.
Madison County is part of the Norfolk, NE micropolitan area.
In the Nebraska license plate system, Madison County was represented by the prefix "7" (as it had the seventh-largest number of vehicles registered in the state when the license plate system was established in 1922).