| County | Rank | Change (2020) ↓ | 2025 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Lyon County | 1 | 8.94% | 64,780 | 59,466 |
| Nye County | 2 | 8.28% | 56,272 | 51,971 |
| Clark County | 3 | 7.36% | 2,443,457 | 2,275,970 |
| Washoe County | 4 | 5.47% | 514,401 | 487,725 |
| Churchill County | 5 | 2.24% | 26,151 | 25,577 |
| Elko County | 6 | 1.24% | 54,343 | 53,676 |
| Pershing County | 7 | 0.74% | 6,669 | 6,620 |
| Lander County | 8 | 0.59% | 5,761 | 5,727 |
| Douglas County | 9 | 0.36% | 49,706 | 49,529 |
| Eureka County | 10 | 0.16% | 1,856 | 1,853 |
| Carson City | 11 | -1.04% | 58,070 | 58,682 |
| Humboldt County | 12 | -1.16% | 17,072 | 17,272 |
| Storey County | 13 | -1.31% | 4,053 | 4,107 |
| Mineral County | 14 | -2.83% | 4,426 | 4,555 |
| Esmeralda County | 15 | -2.85% | 715 | 736 |
| Lincoln County | 16 | -3.88% | 4,266 | 4,438 |
| White Pine County | 17 | -5.41% | 8,573 | 9,063 |
Nevada's counties show varied growth patterns from 2020 to 2025. Lyon County leads with 8.94% annualized growth, followed by Nye County (8.28%) and Clark County (7.36%). The largest counties are Clark County (2,443,457), Washoe County (514,401), and Lyon County (64,780). Of the 17 counties in Nevada, 10 are growing while 7 have experienced population decline. Overall, counties averaged 0.99% annualized growth, with total population growing by 6.53% annually.
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