Davidson County saw its population increase the most of any county in Tennessee last year, according to the University of Tennessee-Knoxville (UTK)’s Boyd Center for Business and Economic Research. Tennessee’s second most populous county gained 9,281 residents from 2024 to 2025, going from 736,623 to 745,904. The county experienced a 1.3 percent increase in population growth. Rutherford County gained the second-largest number of residents from 2024 to 2025. The Middle Tennessee county increased its population from 380,086 to 386,352, a gain of 6,266 residents. This generated a 1.6 percent increase in Rutherford County’s population. In addition to these two counties, Wilson County saw its population increase from 170,340 to 175,033, a gain of 4,693 residents. This led to its population increasing by 2.8 percent from 2024 to 2025. UTK also examined the state’s fastest-growing counties by percentage. Trousdale County experienced the highest percentage growth among counties in the state, rising 3.6 percent from 2024 to 2025. However, Trousdale County has a small population, which increased by only 434 people, from 12,189 to 12,623. Maury County saw the second-highest population growth, rising from 114,456 in 2024 to 118,131 in 2025. The third-fastest-growing population in a Tennessee county, based on percentage, was…
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