Johnson County, Nebraska
Johnson County is a rural county in southeastern Nebraska. The county seat is Tecumseh. It was formed in 1855 and organized in 1857, and it was named after Richard Mentor Johnson, who was Vice President of the United States from 1837 to 1841. The Big Nemaha River flows through the county, which is mainly rolling farmland.
Area and people: Johnson County covers about 377 square miles, with almost all of it land. In 2020, about 5,290 people lived there, giving a low population density of around 14 people per square mile. The median age was about 42 years.
Demographics: The population is mostly White (about 79%), with small numbers of Black or African American, Asian, Native American, and other races. About 12% of residents identify as Hispanic or Latino. The region is entirely rural, with no urban areas.
Households and housing: There were roughly 1,800 households in 2020, most of which were owner-occupied. The area is largely agricultural.
Politics: Voters in Johnson County have tended to vote Republican in national elections for many decades.
Largest town: Tecumseh is the county’s largest city and the county seat.
This page was last edited on 2 February 2026, at 18:27 (CET).