Nemaha County, Nebraska

Nemaha County, Nebraska
Nemaha County Courthouse in Auburn

Location in the U.S. state of Nebraska

Nebraska's location in the U.S.
Founded 1855
Seat Auburn
Largest city Auburn
  Total 410 sq mi (1,062 km2)
  Land 407 sq mi (1,054 km2)
  Water 2.2 sq mi (6 km2), 0.5%
  (2010) 7,248
  Density 18/sq mi (7/km2)
Congressional district 3rd
Time zone Central: UTC−6/−5

Nemaha County is a county located in the U.S. state of Nebraska. As of the 2010 census, the population was 7,248.[1] Its county seat is Auburn.[2]

In the Nebraska license plate system, Nemaha County is represented by the prefix 44 (it had the forty-fourth-largest number of vehicles registered in the county when the license plate system was established in 1922).


The county forms the core of the Nemaha Half-Breed Reservation formed in the Fourth Treaty of Prairie du Chien in 1830 as land for the offspring of traders and Native Americans. The grounds of modern Indian Cave State Park mark where the county's first community -- St. Deroin, Nebraska was founded in 1853 by members of the reservation as a trading post on the Missouri River. When white settlement was permitted in the Kansas-Nebraska Act of 1854 it was part of Forney County (named for U.S. cabinet member John W. Forney) which stretched along the Little Nemaha River from the Missouri River to west of Lincoln, Nebraska. In 1855 Nemaha County was formally founded with Brownville as its county seat. Johnson County was initially part of Nemaha but was subsequently spun off.

Brownville was the biggest city in Nebraska at the time and several firsts occurred in the county including: in 1861 the first state normal school which was founded at what today is Peru State College and Daniel Freeman filing the first claim under the Homestead Act for land on January 1, 1863 at the Brownville land office.[3]

The Nebraska State Fair was held in the county at Brownville in 1870-1871.

In 1883 the county seat was moved to Auburn.

In 1974 the Cooper Nuclear Station was commissioned south of Brownville.


According to the U.S. Census Bureau, the county has a total area of 410 square miles (1,100 km2), of which 407 square miles (1,050 km2) is land and 2.2 square miles (5.7 km2) (0.5%) is water.[4] Nemaha County is covered with rolling hills and farmland.

Most of the eastern border follows the Missouri River bordering Atchison County, Missouri. In the county's extreme northeast corner, the border follows the river's former course, lying nearly two miles (3 km) east of the present-day channel. This de facto enclave is McKissick Island.

Major highways

Adjacent counties


Historical population
Est. 20166,971[5]−3.8%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2013[1]

As of the census[10] of 2000, there were 7,576 people, 3,047 households, and 1,980 families residing in the county. The population density was 18 people per square mile (7/km²). There were 3,439 housing units at an average density of 8 per square mile (3/km²). The racial makeup of the county was 97.60% White, 0.36% Black or African American, 0.30% Native American, 0.59% Asian, 0.04% Pacific Islander, 0.37% from other races, and 0.74% from two or more races. 1.00% of the population were Hispanic or Latino of any race.

There were 3,047 households out of which 29.50% had children under the age of 18 living with them, 55.00% were married couples living together, 7.20% had a female householder with no husband present, and 35.00% were non-families. 30.50% of all households were made up of individuals and 16.20% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.91.

In the county, the population was spread out with 23.20% under the age of 18, 11.90% from 18 to 24, 23.90% from 25 to 44, 22.70% from 45 to 64, and 18.40% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 93.30 males. For every 100 females age 18 and over, there were 92.00 males.

The median income for a household in the county was $32,588, and the median income for a family was $43,780. Males had a median income of $30,956 versus $19,263 for females. The per capita income for the county was $17,004. About 8.30% of families and 12.60% of the population were below the poverty line, including 13.20% of those under age 18 and 13.50% of those age 65 or over.




Unincorporated communities

Ghost town


Nemaha County has the following precincts (which are similar to townships)[11]

  • Aspinwall
  • Bedford
  • Benton
  • Brownville
  • Douglas
  • Glen Rock
  • Lafayette
  • London
  • McKissick Island
  • Nemaha
  • Peru
  • St. Deroin
  • Washington

See also


  1. 1 2 "State & County QuickFacts". United States Census Bureau. Archived from the original on July 15, 2011. Retrieved September 21, 2013.
  2. "Find a County". National Association of Counties. Retrieved 2011-06-07.
  4. "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Archived from the original on November 13, 2013. Retrieved December 9, 2014.
  5. "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  6. "U.S. Decennial Census". United States Census Bureau. Retrieved December 9, 2014.
  7. "Historical Census Browser". University of Virginia Library. Retrieved December 9, 2014.
  8. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved December 9, 2014.
  9. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved December 9, 2014.
  10. "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.

Coordinates: 40°23′N 95°51′W / 40.39°N 95.85°W / 40.39; -95.85

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