Nebraska Citizen Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen population for Nebraska was 1,866,400 and represented 95.64% of the total Nebraska population.

Among all Nebraska counties, Douglas had the highest citizen population (542.11K), followed by Lancaster (306.64K), and Sarpy (183.65K).

In terms of percentages, Arthur had the highest percentage of its population being citizens (100.00%), followed by Blaine (100.00%), and Garfield (100.00%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

You may also be interested in:
Nebraska Citizen Voting-age Population By County in 2021

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Nebraska Citizen Population By County in 2021

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County	Citizen Population	% of County Population
Douglas	542110	93.67
Lancaster	306640	95.74
Sarpy	183645	97.44
Hall	56805	90.72
Buffalo	48570	97.45
Dodge	35815	96.15
Scotts Bluff	35330	97.52
Lincoln	34560	99.01
Madison	34095	95.89
Platte	32070	93.98
Adams	30140	96.34
Cass	26390	99.42
Saunders	21940	99.68
Gage	21515	99.13
Dawson	21405	89.08
Washington	20525	99.16
Dakota	18980	89.17
Seward	17510	99.46
Otoe	15330	96.32
York	14055	99.22
Saline	12930	89.82
Red Willow	10665	99.44
Custer	10515	98.97
Box Butte	10245	94.69
Holt	9985	98.13
Cheyenne	9490	99.11
Wayne	9325	97.24
Hamilton	9300	99.20
Phelps	8815	98.27
Cuming	8600	95.19
Knox	8400	99.59
Cedar	8365	99.58
Dawes	8340	99.46
Keith	8245	99.22
Butler	8210	98.27
Colfax	7880	74.27
Richardson	7840	99.30
Merrick	7540	98.11
Pierce	7185	98.90
Jefferson	7125	98.75
Nemaha	6990	99.50
Thurston	6725	98.82
Burt	6670	99.48
Kearney	6420	96.69
Howard	6390	98.92
Antelope	6225	98.65
Clay	5975	97.87
Stanton	5795	98.64
Fillmore	5545	99.73
Cherry	5495	99.82
Boone	5385	99.45
Dixon	5300	94.14
Johnson	5205	98.21
Polk	5145	98.47
Sheridan	5125	99.52
Thayer	5045	99.80
Furnas	4600	98.82
Morrill	4455	96.95
Nuckolls	4070	98.67
Valley	4030	100.00
Kimball	3555	99.16
Chase	3460	93.64
Webster	3435	99.86
Nance	3390	100.00
Harlan	3160	98.29
Sherman	2975	99.67
Franklin	2910	99.83
Perkins	2845	99.30
Brown	2640	96.00
Hitchcock	2625	99.81
Pawnee	2545	99.22
Frontier	2505	99.80
Greeley	2210	99.55
Garfield	1890	100.00
Deuel	1870	99.47
Dundy	1850	97.37
Gosper	1785	98.62
Boyd	1780	98.34
Garden	1715	99.42
Rock	1320	100.00
Sioux	1065	98.61
Keya Paha	925	97.88
Hayes	865	97.19
Logan	850	98.27
Wheeler	730	99.32
Hooker	715	100.00
Grant	705	97.92
Loup	665	100.00
Banner	575	95.04
Thomas	560	100.00
McPherson	475	100.00
Arthur	470	100.00
Blaine	345	100.00