Nebraska Citizen Voting-age 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 voting-age population for Nebraska was 1,391,770 and represented 71.32% of the total Nebraska population.

Among all Nebraska counties, Douglas had the highest citizen voting-age population (398.86K), followed by Lancaster (234.99K), and Sarpy (132.69K).

In terms of percentages, Blaine had the highest percentage of its population being citizens of voting-age (86.96%), followed by McPherson (83.16%), and Thomas (83.04%).

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

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

See this for other years:
Nebraska Citizen Voting-age Population By County in 2021
Nebraska Citizen Voting-age Population By County in 2021
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County Citizen Voting-age Population % of County Population
Douglas 398855 68.91
Lancaster 234985 73.36
Sarpy 132685 70.40
Hall 40200 64.20
Buffalo 36945 74.13
Dodge 26715 71.72
Scotts Bluff 26360 72.76
Lincoln 26275 75.28
Madison 25070 70.51
Platte 23235 68.09
Adams 22735 72.67
Cass 20035 75.48
Gage 16665 76.78
Saunders 16475 74.85
Washington 15530 75.02
Dawson 15155 63.07
Seward 13365 75.92
Dakota 12920 60.70
Otoe 11520 72.39
York 10750 75.89
Saline 9365 65.06
Red Willow 8090 75.43
Custer 7940 74.73
Box Butte 7650 70.70
Holt 7470 73.42
Wayne 7405 77.22
Cheyenne 7255 75.77
Hamilton 7060 75.31
Dawes 6775 80.80
Phelps 6635 73.97
Keith 6490 78.10
Cuming 6395 70.78
Knox 6295 74.63
Butler 6220 74.45
Cedar 6205 73.87
Richardson 6170 78.15
Merrick 5805 75.54
Jefferson 5550 76.92
Nemaha 5480 78.01
Pierce 5355 73.71
Colfax 5280 49.76
Burt 5130 76.51
Howard 4795 74.23
Kearney 4785 72.06
Antelope 4720 74.80
Clay 4470 73.22
Fillmore 4415 79.41
Stanton 4320 73.53
Thurston 4270 62.75
Cherry 4170 75.75
Johnson 4165 78.58
Boone 4085 75.44
Sheridan 3975 77.18
Polk 3950 75.60
Dixon 3890 69.09
Thayer 3835 75.86
Furnas 3540 76.05
Morrill 3390 73.78
Nuckolls 3235 78.42
Valley 3130 77.67
Kimball 2815 78.52
Webster 2665 77.47
Chase 2620 70.91
Nance 2580 76.11
Harlan 2400 74.65
Sherman 2355 78.89
Franklin 2325 79.76
Perkins 2135 74.52
Brown 2080 75.64
Frontier 2005 79.88
Hitchcock 1970 74.91
Pawnee 1970 76.80
Greeley 1690 76.13
Deuel 1500 79.79
Garfield 1480 78.31
Gosper 1445 79.83
Boyd 1440 79.56
Dundy 1390 73.16
Garden 1360 78.84
Rock 1025 77.65
Sioux 820 75.93
Keya Paha 700 74.07
Hayes 655 73.60
Wheeler 605 82.31
Logan 595 68.79
Hooker 555 77.62
Grant 515 71.53
Loup 510 76.69
Thomas 465 83.04
Banner 455 75.21
McPherson 395 83.16
Arthur 335 71.28
Blaine 300 86.96