| County | Rank | Change (2020) ↓ | 2026 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Sarpy County | 1 | 10.94% | 212,087 | 191,179 |
| Frontier County | 2 | 7.94% | 2,705 | 2,506 |
| Saunders County | 3 | 7.13% | 23,960 | 22,365 |
| Blaine County | 4 | 6.53% | 457 | 429 |
| Douglas County | 5 | 4.54% | 612,017 | 585,428 |
| Cass County | 6 | 4.52% | 27,813 | 26,610 |
| Wayne County | 7 | 4.48% | 10,140 | 9,705 |
| Otoe County | 8 | 4.31% | 16,590 | 15,904 |
| York County | 9 | 4.24% | 14,692 | 14,095 |
| Lancaster County | 10 | 4.2% | 336,757 | 323,178 |
| Merrick County | 11 | 4.02% | 7,964 | 7,656 |
| Platte County | 12 | 3.9% | 35,641 | 34,302 |
| Colfax County | 13 | 3.74% | 10,954 | 10,559 |
| Banner County | 14 | 3.39% | 702 | 679 |
| Hamilton County | 15 | 3.37% | 9,723 | 9,406 |
| Seward County | 16 | 3.12% | 18,174 | 17,624 |
| Dodge County | 17 | 2.92% | 38,183 | 37,099 |
| Madison County | 18 | 2.49% | 36,419 | 35,533 |
| Butler County | 19 | 2.3% | 8,547 | 8,355 |
| Kimball County | 20 | 2.2% | 3,484 | 3,409 |
| Sioux County | 21 | 2.18% | 1,171 | 1,146 |
| Keya Paha County | 22 | 2.11% | 776 | 760 |
| Clay County | 23 | 2.05% | 6,226 | 6,101 |
| Buffalo County | 24 | 2.03% | 51,218 | 50,197 |
| Thurston County | 25 | 2.01% | 6,895 | 6,759 |
| Saline County | 26 | 2.01% | 15,012 | 14,716 |
| Kearney County | 27 | 1.9% | 6,817 | 6,690 |
| Washington County | 28 | 1.84% | 21,317 | 20,932 |
| Wheeler County | 29 | 1.68% | 786 | 773 |
| Cherry County | 30 | 1.67% | 5,548 | 5,457 |
| Valley County | 31 | 1.6% | 4,123 | 4,058 |
| Dakota County | 32 | 1.56% | 21,880 | 21,544 |
| Deuel County | 33 | 1.53% | 1,861 | 1,833 |
| Dawson County | 34 | 1.22% | 24,377 | 24,083 |
| Perkins County | 35 | 1.12% | 2,891 | 2,859 |
| Hall County | 36 | 0.97% | 63,375 | 62,767 |
| Pierce County | 37 | 0.86% | 7,407 | 7,344 |
| Howard County | 38 | 0.82% | 6,540 | 6,487 |
| Dixon County | 39 | 0.75% | 5,623 | 5,581 |
| Polk County | 40 | 0.75% | 5,253 | 5,214 |
| Antelope County | 41 | 0.75% | 6,334 | 6,287 |
| Cedar County | 42 | 0.35% | 8,402 | 8,373 |
| Gage County | 43 | 0.34% | 21,734 | 21,661 |
| Cheyenne County | 44 | 0.32% | 9,518 | 9,488 |
| Nuckolls County | 45 | 0.27% | 4,104 | 4,093 |
| Nemaha County | 46 | 0.2% | 7,100 | 7,086 |
| Custer County | 47 | -0.12% | 10,483 | 10,496 |
| Phelps County | 48 | -0.22% | 8,958 | 8,978 |
| Holt County | 49 | -0.27% | 10,068 | 10,095 |
| Adams County | 50 | -0.76% | 30,939 | 31,176 |
| Boone County | 51 | -0.76% | 5,320 | 5,361 |
| Rock County | 52 | -0.95% | 1,256 | 1,268 |
| Knox County | 53 | -0.97% | 8,296 | 8,377 |
| Johnson County | 54 | -1% | 5,239 | 5,292 |
| Furnas County | 55 | -1.02% | 4,577 | 4,624 |
| Webster County | 56 | -1.24% | 3,347 | 3,389 |
| Pawnee County | 57 | -1.3% | 2,503 | 2,536 |
| Burt County | 58 | -1.35% | 6,630 | 6,721 |
| Scotts Bluff County | 59 | -1.48% | 35,514 | 36,046 |
| Stanton County | 60 | -2.03% | 5,705 | 5,823 |
| Fillmore County | 61 | -2.1% | 5,450 | 5,567 |
| Sherman County | 62 | -2.2% | 2,895 | 2,960 |
| Harlan County | 63 | -2.35% | 2,986 | 3,058 |
| Greeley County | 64 | -2.66% | 2,125 | 2,183 |
| Nance County | 65 | -2.89% | 3,294 | 3,392 |
| Brown County | 66 | -3.03% | 2,814 | 2,902 |
| Cuming County | 67 | -3.06% | 8,735 | 9,011 |
| Keith County | 68 | -3.41% | 8,039 | 8,323 |
| Lincoln County | 69 | -3.51% | 33,321 | 34,534 |
| Jefferson County | 70 | -3.72% | 6,990 | 7,260 |
| Franklin County | 71 | -4.02% | 2,769 | 2,885 |
| Thayer County | 72 | -4.22% | 4,810 | 5,022 |
| Morrill County | 73 | -4.24% | 4,361 | 4,554 |
| Chase County | 74 | -4.39% | 3,720 | 3,891 |
| Red Willow County | 75 | -4.43% | 10,209 | 10,682 |
| Hooker County | 76 | -4.53% | 674 | 706 |
| Box Butte County | 77 | -4.56% | 10,328 | 10,821 |
| Garfield County | 78 | -4.76% | 1,721 | 1,807 |
| Garden County | 79 | -4.87% | 1,797 | 1,889 |
| Richardson County | 80 | -5.02% | 7,467 | 7,862 |
| Hayes County | 81 | -5.19% | 804 | 848 |
| Dundy County | 82 | -5.26% | 1,567 | 1,654 |
| Dawes County | 83 | -5.59% | 7,701 | 8,157 |
| Gosper County | 84 | -6.12% | 1,779 | 1,895 |
| Thomas County | 85 | -6.26% | 629 | 671 |
| Hitchcock County | 86 | -6.63% | 2,449 | 2,623 |
| Sheridan County | 87 | -7.53% | 4,718 | 5,102 |
| Logan County | 88 | -8.01% | 655 | 712 |
| McPherson County | 89 | -8.08% | 364 | 396 |
| Grant County | 90 | -8.66% | 559 | 612 |
| Loup County | 91 | -8.73% | 554 | 607 |
| Boyd County | 92 | -9.94% | 1,630 | 1,810 |
| Arthur County | 93 | -12.79% | 375 | 430 |
Nebraska's counties show varied growth patterns from 2020 to 2026. Sarpy County leads with 1.74% annualized growth, followed by Frontier County (1.28%) and Saunders County (1.15%). The largest counties are Douglas County (612,017), Lancaster County (336,757), and Sarpy County (212,087). Of the 93 counties in Nebraska, 46 are growing while 47 have experienced population decline. Overall, counties averaged -0.13% annualized growth, with total population growing by 0.56% annually.
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