| County | Rank | Change (2020) ↓ | 2026 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Lyon County | 1 | 10.72% | 65,842 | 59,466 |
| Clark County | 2 | 9.32% | 2,488,043 | 2,275,970 |
| Nye County | 3 | 8.82% | 56,554 | 51,971 |
| Washoe County | 4 | 6.93% | 521,522 | 487,725 |
| Pershing County | 5 | 2.75% | 6,802 | 6,620 |
| Churchill County | 6 | 2.71% | 26,269 | 25,577 |
| Elko County | 7 | 1.21% | 54,323 | 53,676 |
| Douglas County | 8 | 0.64% | 49,848 | 49,529 |
| Lander County | 9 | 0.17% | 5,737 | 5,727 |
| Eureka County | 10 | -0.97% | 1,835 | 1,853 |
| Carson City | 11 | -1.18% | 57,992 | 58,682 |
| Humboldt County | 12 | -1.41% | 17,028 | 17,272 |
| Storey County | 13 | -2.75% | 3,994 | 4,107 |
| Esmeralda County | 14 | -3.53% | 710 | 736 |
| Mineral County | 15 | -3.91% | 4,377 | 4,555 |
| White Pine County | 16 | -4.98% | 8,612 | 9,063 |
| Lincoln County | 17 | -5.66% | 4,187 | 4,438 |
Nevada's counties show varied growth patterns from 2020 to 2026. Lyon County leads with 1.71% annualized growth, followed by Clark County (1.5%) and Nye County (1.42%). The largest counties are Clark County (2,488,043), Washoe County (521,522), and Lyon County (65,842). Of the 17 counties in Nevada, 9 are growing while 8 have experienced population decline. Overall, counties averaged 0.17% annualized growth, with total population growing by 1.33% annually.
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