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Douglas County, Nebraska

Douglas County, Nebraska
Douglas County Nebraska Courthouse.jpg
Seal of Douglas County, Nebraska
Seal
Map of Nebraska highlighting Douglas County
Location in the U.S. state of Nebraska
Map of the United States highlighting Nebraska
Nebraska's location in the U.S.
Founded November 23, 1854
Named for Stephen A. Douglas
Seat Omaha
Largest city Omaha
Area
 • Total 339 sq mi (878 km2)
 • Land 328 sq mi (850 km2)
 • Water 11 sq mi (28 km2), 3.2%
Population (est.)
 • (2015) 550,064
 • Density 1,574/sq mi (608/km²)
Congressional district 2nd
Time zone Central: UTC-6/-5
Website www.douglascounty-ne.gov

Douglas County is a county in the U.S. state of Nebraska. As of the 2010 census, the population was 517,110. It is the state's most populous county, home to over one-fourth of Nebraska's residents. Its county seat is Omaha, the state's largest city. The county was established in 1854 and named after Stephen A. Douglas (1813–1861), U.S. Senator from Illinois.

Douglas County is part of the Omaha-Council Bluffs, NE-IA Metropolitan Statistical Area.

In the Nebraska license plate system, Douglas County was represented by the prefix "1" (as it had the largest number of vehicles registered in the county when the license plate system was established in 1922). In 2002, the state discontinued the 1922 system in the three most populous counties: Douglas, Sarpy, and Lancaster counties.

According to the U.S. Census Bureau, the county has a total area of 339 square miles (880 km2), of which 328 square miles (850 km2) is land and 11 square miles (28 km2) (3.2%) is water.

As of the census of 2010, there were 517,110 people and 206,522 households residing in the county. The population density was 1,574 people per square mile (978/km²). There were 219,580 housing units at an average density of 669 per square mile (415/km²). The racial makeup of the county was 76.4% White, 11.6% Black or African American, 0.7% Native American, 2.7% Asian, 0.1% Pacific Islander, 5.7% from some other race, and 2.8% from two or more races. 11.2% of the population were Hispanic or Latino of any race. 30% were of German, 15% Irish, 8.0% English, and 4.9% Italian ancestry according to the 2010 census.


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