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County · Tennessee

Knox County

506,748Population
5.8 %Change since 2020
5,632Net migration
3.0 %Unemployment rate

Facts

Population
506,748 (2024)
Change since 2020
5.8 %
Net migration
5,632 (2023)
Unemployment rate
3.0 % (2025)
Population base, April 2020
478,959 (2020)
Births
5,446 (2023)
Births per 1,000 residents, 2023
10.7
Deaths
5,409 (2023)
Deaths per 1,000 residents, 2023
10.7
Natural change, 2023
37
International migration
1,643 (2023)
Domestic migration
3,989 (2023)
Net migration per 1,000, 2023
11.1
Postal code
TN
FIPS code
47093

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020253.04.2
PeriodValue
20253.0 %
20242.9 %
20232.8 %
20222.9 %
20213.5 %
20206.0 %
20192.9 %
20183.0 %
20173.3 %
20164.1 %
20154.6 %
20145.4 %

Population estimates, 2020–2024

20202024506.7K480.5K
PeriodValue
2024506,748
2023501,576
2022495,882
2021486,005
2020480,530