Among 95 cached counties in Tennessee with a median household income estimate (ACS 5-Year vintage 2024, variable B19013_001E), Williamson County, Tennessee is highest at $135,594 and Lake County, Tennessee is lowest at $28,814.

Tennessee statewide median household income is $69,595 in the same vintage.

Williamson County, Tennessee has a population of 260,351 (B01003_001E). Lake County, Tennessee has a population of 6,579.

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates, vintage 2024 (period 2020–2024). Dataset acs/acs5. Variables: B01003_001E (total population), B19013_001E (median household income, 2024 inflation-adjusted dollars), B19113_001E (median family income, 2024 inflation-adjusted dollars), B19301_001E (per capita income, 2024 inflation-adjusted dollars). census.gov/data/developers. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.