Middle Tennessee Counties See Rapid Population Growth

Suburban areas around Nashville lead the way in new residents over the past five years.

Apr. 6, 2026 at 10:03am

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According to new U.S. Census Bureau population estimates, Middle Tennessee has continued to see significant population growth over the past five years, with suburban counties surrounding Nashville leading the way. Rutherford County recorded the largest increase, adding nearly 45,000 new residents, a gain of more than 13%. Other counties like Davidson, Montgomery, Wilson, Williamson, and Sumner also saw tens of thousands of new residents move in during this time period.

Why it matters

The rapid population growth in Middle Tennessee, especially in the suburbs around Nashville, reflects broader trends of migration to the South and the appeal of the region's lower cost of living, job opportunities, and quality of life. This influx of new residents is putting pressure on housing, infrastructure, and public services in these fast-growing communities.

The details

From April 1, 2020 to July 1, 2025, Rutherford County saw the largest population increase in Middle Tennessee, adding nearly 45,000 new residents for a gain of more than 13%. Davidson County, the region's most populous, grew by about 30,000 people. Montgomery County, home to Clarksville, saw a similar increase with 29,923 new residents. Wilson County had one of the fastest percentage increases, growing by more than 18% and adding around 27,000 people. Maury County to the south of Nashville increased its population by over 17,000 residents, a 17% jump. Williamson County, one of the state's largest, added more than 24,000 people, continuing its steady growth trend.

  • The population estimates cover the period from April 1, 2020 to July 1, 2025.
  • The new Census data was recently released in April 2026.

The players

Rutherford County

A suburban county outside of Nashville that saw the largest population increase in Middle Tennessee, adding nearly 45,000 new residents between 2020 and 2025.

Davidson County

The most populous county in the Middle Tennessee region, which grew by about 30,000 residents during the five-year period.

Montgomery County

A county anchored by the city of Clarksville that saw a similar increase to Davidson County, adding nearly 30,000 new residents.

Wilson County

A county that experienced one of the fastest percentage increases in population, growing by more than 18% and adding around 27,000 people.

Williamson County

One of the largest counties in Tennessee, which continued its steady growth trend by adding more than 24,000 new residents.

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The takeaway

The rapid population growth in Middle Tennessee's suburban counties underscores the region's appeal as a destination for new residents, driven by factors like job opportunities, lower cost of living, and quality of life. However, this influx is also putting pressure on housing, infrastructure, and public services in these fast-growing communities.