Past, current or projected population for Tennessee – we have you covered.
The current population of cities and counties in Tennessee is updated annually by the U.S. Census Bureau. Tennessee’s population projection through 2070, is updated every two years and is available for free download.
Tennessee Population Projections
We provide single-year population projections for each county in Tennessee by race, age and sex for each year from 2021 to 2070. The projections are produced by the Boyd Center for Business and Economic Research at the University of Tennessee and disseminated by the Tennessee State Data Center.
Current population of Tennessee Cities and Counties
Each year, the Census Bureau’s Population Estimates Program utilizes current data on births, deaths and migration to calculate population change since the most recent decennial census. Data are available for the state, counties and all Tennessee municipalities.
Population Data in the News
Growing Early-Career Age Population Showing Up Across Tennessee September 2, 2026 Tennessee is adding adults ages 25 to 44 at seven times last decade's rate — and through 2025, rural counties are outpacing urban ones. Ninety of 95 counties have gained early-career adults since 2020, a sharp reversal from the 2010s. Our analysis shows where.
New Annual Population Estimates Now Guide Tennessee’s Certified Population July 1, 2026 The state's release of its certified population report is an annual event, but this year's edition represents a significant shift in how the population used in guiding per capita distribution of state-shared revenues. We have the report and more background.
Unincorporated Parts of Tennessee Are Among Fastest Growing Areas Since 2020 May 20, 2026 Some Tennessee's cities and towns are off to a fast start this decade, but in a few cases the largest population gains since 2020 are happening in the unincorporated parts of the state. We took a look at new estimate data to see where growth is booming outside city limits.
Other Recent Population Updates
Davidson Holds as Tennessee’s Fastest-Growing County in 2025 March 30, 2026 Davidson County and the Nashville area remained Tennessee’s fastest-growing in 2025, but we’re also watching the state’s No. 11 fastest-gaining county quietly near a breakthrough in another dynamic year of population change.
2025 Estimates Show Another Top-10 Year for Tennessee Population Gains February 2, 2026 At the midpoint of the decade, new population estimates put Tennessee’s growth near the top of the class again this year. Our analysis looks at what drove the change in 2025 and emerging trends that will influence growth in the southeast U.S. for the remainder of the decade.
Nov. 10 Webinar Recap: Preparing for Tennessee’s New Population Estimates Program October 22, 2025 Tennessee is changing how it distributes state-shared revenues. This webinar will bring local governments up to speed on the changes and explain how to verify that accurate data about your community is being in the new process.