Population of Counties in Nebraska (2021)

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 Blaine County. Blaine County’s population is only 435 people, resulting in a population density of just 0.76 persons per square kilometer. Since 2010, the population has declined by 9%. About 0.02% of Nebraska’s total population lives in Blaine County.

The second-smallest county in Nebraska is Arthur County, which has a population of 465 people. Arthur County’s population density is just 0.81 persons per square kilometer.

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 2021 Population Growth Since 2010 Density (mi²)
Douglas County581,19912.08%1,010.13
Lancaster County324,21613.30%563.49
Sarpy County193,46421.13%336.24
Hall County61,4874.56%106.87
Buffalo County50,2738.87%87.37
Dodge County36,245-1.17%62.99
Scotts Bluff County35,004-5.54%60.84
Madison County34,919-0.12%60.69
Lincoln County34,446-4.98%59.87
Platte County33,8364.74%58.81
Adams County31,061-0.85%53.98
Cass County26,3664.47%45.82
Dawson County23,297-4.17%40.49
Saunders County22,1866.31%38.56
Gage County21,549-3.23%37.45
Washington County20,9535.18%36.42
Dakota County20,074-4.56%34.89
Seward County17,3063.02%30.08
Otoe County16,0702.04%27.93
Saline County14,000-1.56%24.33
York County13,541-0.94%23.53
Box Butte County10,883-3.48%18.91
Red Willow County10,762-2.69%18.70
Custer County10,671-2.15%18.55
Colfax County10,6591.13%18.53
Holt County9,905-5.07%17.21
Wayne County9,519-0.94%16.54
Hamilton County9,4523.56%16.43
Phelps County9,090-1.01%15.80
Cuming County8,668-5.37%15.07
Dawes County8,357-8.85%14.52
Cedar County8,300-5.89%14.43
Knox County8,186-5.66%14.23
Cheyenne County8,166-18.08%14.19
Keith County8,096-3.12%14.07
Butler County7,962-4.92%13.84
Merrick County7,799-0.67%13.55
Richardson County7,719-7.80%13.42
Pierce County7,154-1.46%12.43
Thurston County7,1242.22%12.38
Nemaha County7,002-3.26%12.17
Jefferson County6,942-7.71%12.07
Howard County6,4212.26%11.16
Kearney County6,407-1.08%11.14
Burt County6,405-6.39%11.13
Antelope County6,278-6.00%10.91
Clay County6,205-5.06%10.78
Stanton County5,820-5.24%10.12
Cherry County5,541-2.69%9.63
Dixon County5,508-8.02%9.57
Sheridan County5,360-1.54%9.32
Fillmore County5,316-9.45%9.24
Polk County5,159-4.36%8.97
Boone County5,094-7.57%8.85
Johnson County4,983-4.78%8.66
Thayer County4,931-5.81%8.57
Furnas County4,626-6.45%8.04
Morrill County4,578-9.15%7.96
Valley County4,080-4.34%7.09
Nuckolls County4,030-10.72%7.00
Chase County3,898-1.71%6.77
Kimball County3,740-2.45%6.50
Nance County3,545-5.21%6.16
Webster County3,393-10.92%5.90
Harlan County3,368-1.58%5.85
Brown County2,931-7.10%5.09
Sherman County2,915-7.87%5.07
Franklin County2,911-10.27%5.06
Perkins County2,869-3.66%4.99
Hitchcock County2,684-7.35%4.66
Frontier County2,681-2.86%4.66
Pawnee County2,593-6.76%4.51
Greeley County2,358-7.38%4.10
Gosper County1,978-3.04%3.44
Garfield County1,959-3.73%3.40
Boyd County1,857-11.78%3.23
Deuel County1,740-9.61%3.02
Garden County1,731-16.58%3.01
Dundy County1,551-22.76%2.70
Rock County1,369-10.17%2.38
Sioux County1,126-14.11%1.96
Hayes County932-2.51%1.62
Keya Paha County806-2.18%1.40
Banner County78513.60%1.36
Loup County75820.70%1.32
Wheeler County745-9.70%1.29
Thomas County73814.06%1.28
Logan County734-4.92%1.28
Hooker County694-5.83%1.21
Grant County555-9.46%0.96
McPherson County502-6.86%0.87
Arthur County4650.00%0.81
Blaine County435-9.00%0.76