Nebraska Citizen Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen population for Nebraska was 1,821,670 and represented 95.64% of the total Nebraska population.

Among all Nebraska counties, Douglas had the highest citizen population (519.63K), followed by Lancaster (297.08K), and Sarpy (173.88K).

In terms of percentages, Blaine had the highest percentage of its population being citizens (100.00%), followed by Garfield (100.00%), and Gosper (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 2018

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

See this for other years:

Nebraska Citizen Population By County in 2018

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County	Citizen Population	% of County Population
Douglas	519630	93.63
Lancaster	297080	95.80
Sarpy	173880	97.49
Hall	55210	90.00
Buffalo	47620	97.12
Scotts Bluff	35385	97.60
Lincoln	35145	99.18
Dodge	34695	94.58
Madison	33475	95.19
Platte	31105	94.07
Adams	30515	96.61
Cass	25590	99.57
Gage	21420	99.19
Dawson	21270	89.35
Saunders	20875	99.29
Washington	20065	99.23
Dakota	17415	85.73
Seward	16995	99.24
Otoe	15400	96.89
York	13635	98.80
Saline	12835	89.82
Box Butte	10945	98.69
Red Willow	10735	99.35
Custer	10715	98.94
Holt	10110	98.68
Cheyenne	9675	98.22
Wayne	9225	98.51
Hamilton	9160	99.78
Phelps	9030	99.01
Dawes	8820	99.16
Cuming	8680	96.55
Cedar	8510	99.82
Colfax	8460	78.63
Knox	8425	99.59
Keith	8010	98.89
Richardson	7995	99.81
Butler	7990	99.07
Merrick	7635	97.82
Jefferson	7140	99.31
Pierce	7130	99.65
Thurston	7050	98.74
Nemaha	6955	99.29
Burt	6455	98.85
Kearney	6395	97.63
Howard	6365	99.38
Antelope	6295	98.82
Clay	6100	97.91
Stanton	5910	98.66
Cherry	5665	97.84
Fillmore	5565	99.82
Dixon	5505	95.82
Boone	5295	99.62
Sheridan	5200	99.33
Polk	5155	98.10
Thayer	5080	99.61
Johnson	5060	97.40
Furnas	4740	99.06
Morrill	4685	96.80
Valley	4205	99.53
Nuckolls	4195	98.13
Kimball	3650	99.59
Webster	3565	99.86
Nance	3530	99.30
Chase	3460	92.64
Harlan	3405	98.98
Sherman	3020	99.34
Franklin	2975	99.00
Brown	2935	98.16
Perkins	2890	99.48
Hitchcock	2830	99.47
Pawnee	2655	99.25
Frontier	2595	99.43
Greeley	2400	99.59
Boyd	2020	99.02
Gosper	2015	100.00
Garfield	1975	100.00
Deuel	1880	99.21
Dundy	1875	92.59
Garden	1820	97.85
Rock	1350	100.00
Sioux	1265	100.00
Hayes	910	96.30
Logan	870	98.31
Wheeler	815	99.39
Keya Paha	790	100.00
Grant	720	100.00
Hooker	690	100.00
Banner	685	98.56
Thomas	640	99.23
Loup	585	100.00
Blaine	480	100.00
McPherson	455	100.00
Arthur	415	98.81