Cass County, Nebraska

Cass County, Nebraska
Cass County Courthouse in Plattsmouth

Location in the U.S. state of Nebraska

Nebraska's location in the U.S.
Founded 1855
Named for Lewis Cass
Seat Plattsmouth
Largest city Plattsmouth
  Total 566 sq mi (1,466 km2)
  Land 557 sq mi (1,443 km2)
  Water 8.4 sq mi (22 km2), 1.5%
  (2010) 25,241
  Density 45/sq mi (17/km2)
Congressional district 1st
Time zone Central: UTC−6/−5

Cass County is a county in the U.S. state of Nebraska. As of the 2010 census, the population was 25,241.[1] Its county seat is Plattsmouth.[2] The county was formed in 1855 and named after General Lewis Cass.[3][4][5]

Cass County is included in the Omaha-Council Bluffs, NE-IA Metropolitan Statistical Area.[6]

In the Nebraska license plate system, Cass County is represented by the prefix 20 (it had the 20th-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 an area of 566 square miles (1,470 km2), of which 557 square miles (1,440 km2) is land and 8.4 square miles (22 km2) (1.5%) is water.[7]

Major highways

Adjacent counties

Due to its proximity to Cass County, Iowa, and because both of those counties receive most of their broadcasts from Omaha, Nebraska, references to 'Cass County' must be frequently disambiguated, or result in confusion.


Historical population
Est. 201625,767[8]2.1%
U.S. Decennial Census[9]
1790-1960[10] 1900-1990[11]
1990-2000[12] 2010-2013[1]

As of the census[13] of 2000, there were 24,334 people, 9,161 households, and 6,806 families residing in the county. The population density was 44 people per square mile (17/km²). There were 10,179 housing units at an average density of 18 per square mile (7/km²). The racial makeup of the county was 97.89% White, 0.18% Black or African American, 0.30% Native American, 0.35% Asian, 0.02% Pacific Islander, 0.35% from other races, and 0.92% from two or more races. 1.46% of the population were Hispanic or Latino of any race. 39.4% were of German, 9.6% American, 8.8% Irish and 7.9% English ancestry according to Census 2000.

There were 9,161 households out of which 35.80% had children under the age of 18 living with them, 63.30% were married couples living together, 7.60% had a female householder with no husband present, and 25.70% were non-families. 21.60% of all households were made up of individuals and 9.40% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 3.07.

In the county, the population was spread out with 27.90% under the age of 18, 7.00% from 18 to 24, 29.00% from 25 to 44, 23.80% from 45 to 64, and 12.30% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 97.70 males. For every 100 females age 18 and over, there were 95.00 males.

The median income for a household in the county was $46,515, and the median income for a family was $52,196. Males had a median income of $36,639 versus $24,612 for females. The per capita income for the county was $20,156. About 4.20% of families and 5.20% of the population were below the poverty line, including 7.10% of those under age 18 and 4.50% of those age 65 or over.




Unincorporated communities

Census divisions

Cass County is divided into the following divisions, called precincts, except for the cities of Plattsmouth and Weeping Water.

See also


  1. 1 2 "State & County QuickFacts". United States Census Bureau. Retrieved September 17, 2013.
  2. "Find a County". National Association of Counties. Archived from the original on 2011-05-31. Retrieved 2011-06-07.
  3. Fitzpatrick, Lilian Linder (1925). Nebraska Place-Names. Lincoln: University of Nebraska Studies in Language, Literature, and Criticism. p. 30. Retrieved December 18, 2014.
  4. "Cass County Nebraska Historic Building Survey" (PDF). Nebraska State Historical Society. August 2004. Retrieved December 18, 2014.
  5. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 71.
  6. United States Office of Management and Budget. "Update of Statistical Area Definitions and Guidance on Their Uses" (PDF). pp. 5, 36. Archived from the original (PDF) on 2006-05-14. Retrieved 2006-07-21.
  7. "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Archived from the original on November 13, 2013. Retrieved December 6, 2014.
  8. "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  9. "U.S. Decennial Census". United States Census Bureau. Archived from the original on April 22, 2013. Retrieved December 6, 2014.
  10. "Historical Census Browser". University of Virginia Library. Retrieved December 6, 2014.
  11. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved December 6, 2014.
  12. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved December 6, 2014.
  13. "American FactFinder". United States Census Bureau. Archived from the original on 2013-09-11. Retrieved 2008-01-31.

Coordinates: 40°55′N 96°08′W / 40.91°N 96.14°W / 40.91; -96.14

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