Johnson County, Nebraska
|Johnson County, Nebraska|
Johnson County Courthouse in Tecumseh
Location in the state of Nebraska
Nebraska's location in the U.S.
377 sq mi (976 km²)
376 sq mi (974 km²)
1 sq mi (3 km²), 0.18%
5/sq mi (2/km²)
In the Nebraska license plate system, Johnson County is represented by the prefix 57 (it had the fifty-seventh-largest number of vehicles registered in the county when the license plate system was established in 1922).
According to the U.S. Census Bureau, the county has a total area of 377 square miles (976.4 km2), of which 376 square miles (973.8 km2) is land and 1 square mile (2.6 km2) (0.18%) is water.
Major highways 
Adjacent counties 
- Otoe County, Nebraska - north
- Nemaha County, Nebraska - east
- Pawnee County, Nebraska - south
- Gage County, Nebraska - west
- Lancaster County, Nebraska - northwest corner
||Lancaster County||Otoe County|
|Gage County||Nemaha County|
Population by decade
1860 - 528
As of the census of 2000, there were 4,488 people, 1,887 households, and 1,254 families residing in the county. The population density was 12 people per square mile (5/km²). There were 2,116 housing units at an average density of 6 per square mile (2/km²). The racial makeup of the county was 93.54% White, 0.11% Black or African American, 0.40% Native American, 2.67% Asian, 0.02% Pacific Islander, 1.96% from other races, and 1.29% from two or more races. 2.87% of the population were Hispanic or Latino of any race.
There were 1,887 households out of which 29.60% had children under the age of 18 living with them, 58.10% were married couples living together, 5.50% had a female householder with no husband present, and 33.50% were non-families. 29.90% of all households were made up of individuals and 17.70% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.92.
In the county the population was spread out with 24.20% under the age of 18, 5.70% from 18 to 24, 24.40% from 25 to 44, 23.60% from 45 to 64, and 22.00% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 91.90 males. For every 100 females age 18 and over, there were 90.80 males.
The median income for a household in the county was $32,460, and the median income for a family was $41,000. Males had a median income of $26,282 versus $20,799 for females. The per capita income for the county was $16,437. About 6.70% of families and 8.90% of the population were below the poverty line, including 10.50% of those under age 18 and 11.10% of those age 65 or over.
City and villages 
See also 
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
-  Retrieved on March 14, 2008.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.