Population of Counties in Nebraska (2020)

There are 93 counties in Nebraska. The largest county by population is Douglas County, which has a population of 566,880 and is home to Omaha. It is the only county in Nebraska to have over 500,000 people. It comprises 29.38% of the state’s total population and has grown 9.32% since the 2010 Census. The second-largest county by population in Nebraska is Lancaster County, home to 317,272 residents. Lancaster County is also home to Lincoln, the state capital. This is followed by Sarpy County, which has 184,459 residents. These three counties are the only counties in Nebraska with populations over 100,000 people.

Nebraska Counties with the Fewest Residents

The smallest county in Nebraska in terms of population is Arthur County. Arthur County’s population is only 465 people, resulting in a population density of just 0.65 persons per square kilometer. Since 2010, the population has not grown or declined. About 0.02% of Nebraska’s total population lives in Arthur County.

The second-smallest county in Nebraska is Blaine County, which has a population of 476 people. Blaine County’s population density is just 0.67 persons per square kilometer. The county has had a population decline of 0.42% since 2010.

Other counties in Nebraska with populations under 1,000 are McPherson, Loup, Grant, Thomas, Hooker, Banner, Wheeler, Logan, Keya Paha, and Hayes.

Nebraska Counties with Rapid Growth

Three Nebraska counties have experienced double-digit growth since 2010: Sarpy County (15.49%), Thomas (11.28%), and Lancaster (10.87%). Other counties that have experienced significant growth since 2010 are Douglas (9.32%), Buffalo (7.45%), and Banner (5.64%).

While some counties have experienced significant population growth, many have seen a population decline. Dundy County has experienced the highest population decline since 2010 of 11.85%, followed by Sioux County (9.46%) and McPherson (8.72%).

Name 2020 Population Growth Since 2010
Douglas County566,8809.32%
Lancaster County317,27210.87%
Sarpy County184,45915.49%
Hall County61,6074.77%
Buffalo County49,6157.45%
Dodge County36,7910.32%
Scotts Bluff County35,989-2.88%
Madison County35,3921.23%
Lincoln County35,185-2.94%
Platte County33,3633.28%
Adams County31,5110.58%
Cass County26,1593.64%
Dawson County23,709-2.49%
Gage County21,493-3.48%
Saunders County21,3032.08%
Washington County20,6673.73%
Dakota County20,083-4.52%
Seward County17,3183.10%
Otoe County15,9851.50%
Saline County14,3500.90%
York County13,7720.75%
Colfax County10,8813.24%
Custer County10,840-0.64%
Box Butte County10,772-4.45%
Red Willow County10,726-3.00%
Holt County10,178-2.45%
Wayne County9,403-2.17%
Cheyenne County9,310-6.60%
Hamilton County9,2801.68%
Phelps County8,996-2.03%
Cuming County8,940-2.40%
Dawes County8,716-4.93%
Cedar County8,446-4.22%
Knox County8,419-2.96%
Butler County8,058-3.77%
Keith County8,021-3.99%
Richardson County7,937-5.20%
Merrick County7,733-1.47%
Thurston County7,3034.79%
Pierce County7,142-1.63%
Jefferson County7,097-5.64%
Nemaha County6,958-3.87%
Kearney County6,5441.03%
Burt County6,488-5.15%
Howard County6,4683.01%
Antelope County6,336-5.14%
Clay County6,214-4.93%
Stanton County5,970-2.80%
Cherry County5,7611.18%
Dixon County5,709-4.61%
Fillmore County5,527-5.86%
Polk County5,278-2.22%
Boone County5,239-4.94%
Sheridan County5,190-4.67%
Johnson County5,134-1.89%
Thayer County5,039-3.73%
Furnas County4,715-4.65%
Morrill County4,686-7.01%
Nuckolls County4,195-7.07%
Valley County4,190-1.76%
Chase County3,9770.28%
Kimball County3,618-5.63%
Webster County3,533-7.25%
Nance County3,532-5.56%
Harlan County3,401-0.61%
Sherman County3,038-3.98%
Franklin County3,023-6.81%
Brown County2,973-5.74%
Perkins County2,929-1.74%
Hitchcock County2,806-3.27%
Pawnee County2,632-5.36%
Frontier County2,608-5.51%
Greeley County2,356-7.46%
Gosper County1,996-2.16%
Garfield County1,987-2.36%
Boyd County1,955-7.13%
Garden County1,897-8.58%
Deuel County1,825-5.19%
Dundy County1,770-11.85%
Rock County1,360-10.76%
Sioux County1,187-9.46%
Hayes County916-4.18%
Keya Paha County810-1.70%
Wheeler County805-2.42%
Logan County749-2.98%
Banner County7305.64%
Thomas County72011.28%
Hooker County682-7.46%
Grant County6607.67%
Loup County618-1.59%
McPherson County492-8.72%
Blaine County476-0.42%
Arthur County4650.00%