| County | Rank | Change (2020) ↓ | 2025 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Sarpy County | 1 | 8.18% | 206,804 | 191,167 |
| Saunders County | 2 | 7.42% | 24,035 | 22,374 |
| Sioux County | 3 | 5.96% | 1,208 | 1,140 |
| Keya Paha County | 4 | 5.92% | 805 | 760 |
| Cass County | 5 | 5.35% | 28,034 | 26,611 |
| Rock County | 6 | 5.22% | 1,331 | 1,265 |
| Otoe County | 7 | 4.6% | 16,633 | 15,901 |
| Thomas County | 8 | 4.47% | 701 | 671 |
| Banner County | 9 | 4.27% | 708 | 679 |
| Stanton County | 10 | 3.59% | 6,038 | 5,829 |
| Hamilton County | 11 | 3.54% | 9,733 | 9,400 |
| Kearney County | 12 | 3.14% | 6,898 | 6,688 |
| Lancaster County | 13 | 2.51% | 331,280 | 323,165 |
| Clay County | 14 | 2.46% | 6,250 | 6,100 |
| York County | 15 | 2.43% | 14,444 | 14,102 |
| Platte County | 16 | 2.42% | 35,117 | 34,287 |
| Phelps County | 17 | 2.41% | 9,195 | 8,979 |
| Custer County | 18 | 2.4% | 10,735 | 10,483 |
| Merrick County | 19 | 2.27% | 7,835 | 7,661 |
| Colfax County | 20 | 2.23% | 10,792 | 10,557 |
| Douglas County | 21 | 1.88% | 596,408 | 585,431 |
| Buffalo County | 22 | 1.66% | 51,027 | 50,193 |
| Butler County | 23 | 1.57% | 8,491 | 8,360 |
| Holt County | 24 | 1.56% | 10,253 | 10,096 |
| Dawson County | 25 | 1.49% | 24,445 | 24,085 |
| Madison County | 26 | 1.47% | 36,053 | 35,530 |
| Wayne County | 27 | 1.32% | 9,824 | 9,696 |
| Nuckolls County | 28 | 1.32% | 4,147 | 4,093 |
| Frontier County | 29 | 1.28% | 2,533 | 2,501 |
| Howard County | 30 | 1.23% | 6,563 | 6,483 |
| Nemaha County | 31 | 1.04% | 7,156 | 7,082 |
| Cherry County | 32 | 0.99% | 5,506 | 5,452 |
| Dodge County | 33 | 0.96% | 37,471 | 37,116 |
| Washington County | 34 | 0.93% | 21,122 | 20,927 |
| Cheyenne County | 35 | 0.93% | 9,571 | 9,483 |
| Seward County | 36 | 0.82% | 17,763 | 17,618 |
| Gage County | 37 | 0.54% | 21,774 | 21,656 |
| Harlan County | 38 | 0.46% | 3,071 | 3,057 |
| Greeley County | 39 | 0.37% | 2,187 | 2,179 |
| Antelope County | 40 | 0.27% | 6,296 | 6,279 |
| Dakota County | 41 | 0.08% | 21,572 | 21,554 |
| Fillmore County | 42 | -0.22% | 5,562 | 5,574 |
| Polk County | 43 | -0.27% | 5,204 | 5,218 |
| Webster County | 44 | -0.5% | 3,375 | 3,392 |
| Hall County | 45 | -0.58% | 62,399 | 62,764 |
| Sherman County | 46 | -0.64% | 2,937 | 2,956 |
| Saline County | 47 | -1.03% | 14,569 | 14,720 |
| Box Butte County | 48 | -1.09% | 10,710 | 10,828 |
| Deuel County | 49 | -1.09% | 1,811 | 1,831 |
| Pierce County | 50 | -1.12% | 7,263 | 7,345 |
| Burt County | 51 | -1.16% | 6,641 | 6,719 |
| Adams County | 52 | -1.2% | 30,803 | 31,178 |
| Knox County | 53 | -1.24% | 8,280 | 8,384 |
| Gosper County | 54 | -1.32% | 1,871 | 1,896 |
| Scotts Bluff County | 55 | -1.36% | 35,559 | 36,051 |
| McPherson County | 56 | -1.51% | 391 | 397 |
| Cuming County | 57 | -1.79% | 8,848 | 9,009 |
| Wheeler County | 58 | -1.81% | 761 | 775 |
| Morrill County | 59 | -2.02% | 4,468 | 4,560 |
| Furnas County | 60 | -2.12% | 4,528 | 4,626 |
| Pawnee County | 61 | -2.44% | 2,474 | 2,536 |
| Dixon County | 62 | -2.75% | 5,441 | 5,595 |
| Boone County | 63 | -2.97% | 5,198 | 5,357 |
| Thurston County | 64 | -3% | 6,561 | 6,764 |
| Dawes County | 65 | -3.2% | 7,895 | 8,156 |
| Richardson County | 66 | -3.24% | 7,607 | 7,862 |
| Valley County | 67 | -3.38% | 3,920 | 4,057 |
| Red Willow County | 68 | -3.44% | 10,315 | 10,682 |
| Brown County | 69 | -3.56% | 2,793 | 2,896 |
| Johnson County | 70 | -3.59% | 5,104 | 5,294 |
| Cedar County | 71 | -3.83% | 8,054 | 8,375 |
| Franklin County | 72 | -3.95% | 2,775 | 2,889 |
| Keith County | 73 | -4.1% | 7,981 | 8,322 |
| Perkins County | 74 | -4.44% | 2,731 | 2,858 |
| Hooker County | 75 | -4.54% | 673 | 705 |
| Boyd County | 76 | -4.78% | 1,715 | 1,801 |
| Thayer County | 77 | -4.8% | 4,779 | 5,020 |
| Lincoln County | 78 | -4.82% | 32,867 | 34,532 |
| Garfield County | 79 | -5.09% | 1,715 | 1,807 |
| Jefferson County | 80 | -5.19% | 6,882 | 7,259 |
| Hayes County | 81 | -5.37% | 810 | 856 |
| Blaine County | 82 | -5.39% | 404 | 427 |
| Loup County | 83 | -5.75% | 574 | 609 |
| Chase County | 84 | -5.76% | 3,664 | 3,888 |
| Nance County | 85 | -5.96% | 3,188 | 3,390 |
| Sheridan County | 86 | -6.36% | 4,772 | 5,096 |
| Kimball County | 87 | -6.36% | 3,195 | 3,412 |
| Hitchcock County | 88 | -7.26% | 2,428 | 2,618 |
| Garden County | 89 | -9.23% | 1,712 | 1,886 |
| Dundy County | 90 | -9.73% | 1,493 | 1,654 |
| Arthur County | 91 | -10.02% | 386 | 429 |
| Grant County | 92 | -14.03% | 527 | 613 |
| Logan County | 93 | -16.78% | 595 | 715 |
Nebraska's counties show varied growth patterns from 2020 to 2025. Sarpy County leads with 8.18% annualized growth, followed by Saunders County (7.42%) and Sioux County (5.96%). The largest counties are Douglas County (596,408), Lancaster County (331,280), and Sarpy County (206,804). Of the 93 counties in Nebraska, 41 are growing while 52 have experienced population decline. Overall, counties averaged -1.12% annualized growth, with total population growing by 1.82% annually.