Madison County

Also known as Madison County, Nebraska, Madison County, NE

county in Nebraska, United States

Key facts

Country: United States
State: Nebraska
Founded: January 26, 1856 (created), January 21, 1868 (organized)
Named after: James Madison
Seat: Madison
Largest city: Norfolk
Total: 575.451 sq mi (1,490.41 km )
Land: 572.612 sq mi (1,483.06 km )
Water: 2.839 sq mi (7.35 km ) 0.49%
Estimate 2025: 36,106
Density: 62.145/sq mi (23.994/km )
Time zone: UTC−6 ( Central )
Summer dst

Article

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.