Tennessee Saw Surge in Mid-Career Residents

The population of adults aged 25 to 44 grew 8.9% between 2020 and 2025 as new residents moved into the state.

Updated on Sept. 23, 2026 in Employment

Isometric editorial illustration showing stylized housing blocks rising above green rolling hills, representing regional demographic growth. — Tennessee saw an 8.9% increase in its working-age population between 2020 and 2025, driven primarily by significant in-migration of residents aged 25 to 44. AI Illustration. Upload story photo >

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Tennessee experienced an 8.9% increase in its 25-to-44-year-old population between 2020 and 2025, a significant rise from the 1.2% growth seen during the 2010-2015 period. This shift reflects a period of substantial in-migration for the state's workforce-age residents.

Why it matters

The influx of mid-career residents suggests shifts in demand for local housing and services as the state manages a growing base of working-age adults. Meanwhile, the state continues to see its retiree population climb, which creates a dual-track demographic trend.

Between 2020 and 2025, Tennessee's 25-to-44-year-old population grew by 8.9%, with urban counties adding 92,957 residents and rural counties adding 65,812. Concurrently, the state's retiree population aged 65 and older increased by 14.7%.

The players

Tennessee State Data Center

An entity that provides demographic and socioeconomic data to help state agencies and the public analyze population trends.

U.S. Census Bureau

The federal agency responsible for collecting and providing official population estimates used for regional economic planning.

The details

The growth in the mid-career demographic was most pronounced in counties bordering major cities, with Wilson County recording a 27.67% increase and Maury County seeing a 23.94% rise. In-migration served as the primary driver for these increases, which contrast with declines in some regions, such as Lake County’s 15.25% drop in that age group. As the workforce-age population expands, the state also saw a 14.7% increase in residents aged 65 and older since 2020.

The Tennessee State Data Center released the report on Monday.
Population data covers the timeframe from 2020 to 2025.
The previous comparative period was 2010 to 2015.

Money Landscape

The surge in mid-career residents marks a sharp departure from the slower growth rates seen during the 2010-2015 period. This demographic shift follows a pattern where regional population growth is increasingly concentrated in counties adjacent to major urban centers.

Rapid population shifts in high-growth areas like Wilson and Williamson counties may influence local housing inventory and regional service costs. Households should monitor local property tax trends and community planning updates as regional demographics evolve.

The takeaway

Understanding these demographic shifts can help residents anticipate changes in local infrastructure needs and real estate demand. Homeowners and renters in high-growth counties may want to review their long-term housing budget to account for potential changes in the regional cost of living.