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 state when the license plate system was established in 1922). In 2002, the state discontinued the 1922 system in the three most populous counties: Douglas, Lancaster, and Sarpy Counties.[7]
According to the United States Census Bureau, the county has a total area of 349.342 square miles (904.79km2), of which 326.540 square miles (845.73km2) is land and 12.802 square miles (33.16km2) (3.66%) is water.[11] It is the third-smallest county in Nebraska by total area.[12] Douglas County is on the eastern border of Nebraska. Its east boundary line abuts the west boundary line of the state of Iowa, across the Missouri River. The Elkhorn River runs southward through the west-central part of Douglas County, and it is bordered on east (Missouri River) and west (Platte River) by rivers.
U.S. Decennial Census[16] 1790–1960[17] 1900–1990[18] 1990–2000[19] 2010–2020[4]
As of the third quarter of 2025, the median home value in Douglas County was $295,502.[20]
As of the 2024 American Community Survey, there are 243,978 estimated households in Douglas County with an average of 2.42 persons per household. The county has a median household income of $80,382. Approximately 12.1% of the county's population lives at or below the poverty line. Douglas County has an estimated 67.0% employment rate, with 42.3% of the population holding a bachelor's degree or higher and 91.6% holding a high school diploma.[4] There were 257,743 housing units at an average density of 789.32 per square mile (304.8/km2).
The top five reported languages (people were allowed to report up to two languages, thus the figures will generally add to more than 100%) were English (82.0%), Spanish (10.8%), Indo-European (3.1%), Asian and Pacific Islander (2.2%), and Other (1.8%).
The median age in the county was 35.7 years.
Douglas County, Nebraska – racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
As of the 2024 estimate, there were 601,158 people, 243,978 households, and _ families residing in the county. The population density was 1,840.99 inhabitants per square mile (710.8/km2). There were 257,743 housing units at an average density of 789.32 per square mile (304.8/km2). The racial makeup of the county was 78.3% White (65.4% NH White), 11.9% African American, 1.5% Native American, 5.0% Asian, 0.1% Pacific Islander, _% from some other races and 3.2% from two or more races. Hispanic or Latino people of any race were 15.3% of the population.
2020 census
As of the 2020 census, there were 584,526 people, 229,416 households, and 140,829 families residing in the county.[26] The population density was 1,790.06 inhabitants per square mile (691.1/km2). There were 245,050 housing units at an average density of 750.44 per square mile (289.7/km2). The racial makeup of the county was 68.16% White, 11.07% African American, 0.99% Native American, 4.76% Asian, 0.09% Pacific Islander, 6.34% from some other races and 8.60% from two or more races. Hispanic or Latino people of any race were 13.83% of the population.[27]
The median age was 34.9 years. 25.4% of residents were under the age of 18 and 13.6% of residents were 65 years of age or older. For every 100 females there were 97.2 males, and for every 100 females age 18 and over there were 94.7 males age 18 and over.[28][29]
97.6% of residents lived in urban areas, while 2.4% lived in rural areas.[30]
There were 229,416 households in the county, of which 31.8% had children under the age of 18 living with them and 28.6% had a female householder with no spouse or partner present. About 30.8% of all households were made up of individuals and 10.3% had someone living alone who was 65 years of age or older.[28]
There were 245,050 housing units, of which 6.4% were vacant. Among occupied housing units, 59.8% were owner-occupied and 40.2% were renter-occupied. The homeowner vacancy rate was 1.0% and the rental vacancy rate was 8.2%.[28]
2010 census
As of the 2010 census, there were 517,110 people, 202,411 households, and 127,399 families residing in the county.[31] The population density was 1,583.60 inhabitants per square mile (611.4/km2). There were 219,580 housing units at an average density of 672.44 per square mile (259.6/km2). The racial makeup of the county was 76.39% White, 11.62% African American, 0.72% Native American, 2.66% Asian, 0.08% Pacific Islander, 5.73% from some other races and 2.80% from two or more races. Hispanic or Latino people of any race were 11.18% of the population. 30.0% were of German, 15.0% Irish, 8.0% English, and 4.9% Italian ancestry.
The median income for a household in the county was $51,878, and the median income for a family was $67,666. Males had a median income of $44,542 versus $35,801 for females. The per capita income for the county was $28,092. About 9.4% of families and 13.1% of the population were below the poverty line, including 17.6% of those under age 18 and 8.0% of those age 65 or over.
2000 census
As of the 2000 census, there were 463,585 people, 182,194 households, and 115,146 families residing in the county. The population density was 1,419.69 inhabitants per square mile (548.1/km2). There were 192,672 housing units at an average density of 590.04 per square mile (227.8/km2). The racial makeup of the county was 80.96% White, 11.50% African American, 0.61% Native American, 1.71% Asian, 0.05% Pacific Islander, 3.40% from some other races and 1.76% from two or more races. Hispanic or Latino people of any race were 6.67% of the population. 26.3% were of German, 11.5% Irish and 6.2% English ancestry.
There were 182,194 households, out of which 32.00% had children under the age of 18 living with them, 47.50% were married couples living together, 12.10% had a female householder with no husband present, and 36.80% were non-families. 29.80% of all households were made up of individuals, and 8.70% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.12.
The county population contained 26.60% under the age of 18, 10.30% from 18 to 24, 31.20% from 25 to 44, 21.00% from 45 to 64, and 11.00% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 95.70 males. For every 100 females age 18 and over, there were 92.90 males.
The median income for a household in the county was $43,209, and the median income for a family was $54,651. Males had a median income of $36,577 versus $27,265 for females. The per capita income for the county was $22,879. About 6.70% of families and 9.80% of the population were below the poverty line, including 13.00% of those under age 18 and 7.20% of those age 65 or over.
Government
Douglas County is governed by a board of seven county commissioners, elected to staggered[32] four–year terms. County courthouse positions are also elected on a partisan basis. Most of the county's offices are located at the Douglas County Courthouse.
For much of the time after World War II, Douglas County was one of the more conservative urban counties in the United States. It supported the Republican candidate for president in all but one election from 1952 to 2004. However, it has become a far more competitive county in national elections compared to the rest of the state in the last ten years. Barack Obama won a majority of the county's votes in 2008, becoming the first Democrat to do so since 1964. He also narrowly carried the 2nd congressional district as well, garnering him one electoral vote statewide. It swung back to the Republican column in 2012 with Mitt Romney winning the county by an even closer majority. The county swung back to Democratic hands in 2016 with Hillary Clinton winning a plurality of its votes, but unlike Obama eight years prior she failed to carry the 2nd congressional district. In 2020, Joe Biden won the county by 11 points, a 56-year high for Democrats, and flipped the 2nd district back into the Democratic column.
As of January 2025, Douglas County is one of the only two counties in Nebraska (alongside Thurston) to have a plurality of registered Democrats.[39]
Political Party
Number of registered voters (September 1, 2025)[40]
↑Fitzpatrick, Lilian Linder (1925). Nebraska Place-Names. Lincoln, Nebraska: University of Nebraska Studies in Language, Literature, and Criticism. p.55. Retrieved December 18, 2014.
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