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- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Cass County is a county in the U.S. state of Nebraska. As of the 2010 United States Census, the population was 25,241. Its county seat and largest city is Plattsmouth. The county was formed in 1855, and was named for General Lewis Cass.
Cass County is included in the Omaha-Council Bluffs, NE-IA Metropolitan Statistical Area.
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).
Timeline
| Date | Event | Source
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| 1854 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1855 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1855 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1855 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1856 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1860 | First census | Source:Population of States and Counties of the United States: 1790-1990
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| 1860 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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Population History
- source: Source:Population of States and Counties of the United States: 1790-1990
| Census Year | Population
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| 1860 | 3,369
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| 1870 | 8,151
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| 1880 | 16,683
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| 1890 | 24,080
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| 1900 | 21,330
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| 1910 | 19,786
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| 1920 | 18,029
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| 1930 | 17,684
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| 1940 | 16,992
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| 1950 | 16,361
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| 1960 | 17,821
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| 1970 | 18,076
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| 1980 | 20,297
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| 1990 | 21,318
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Research Tips
External links
www.rootsweb.com/~necass
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