Lake County, Tennessee Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 92nd-largest in Tennessee
The population of Lake County, Tennessee is 6,691 as of the 2023 American Community Survey, making it the 92nd-largest county in Tennessee. The median household income is $30,500, the median home value is $107,000, and the median age is 41.6.
The population of Lake County has declined 18.0% since 2010 (7,827 → 6,422), a -1.40% annualized rate.
6,691
Population
-1.40%
Annual growth
40
People / sq mi
$30,500
Median Income
$107,000
Median Home Value
Lake County covers 166 sq mi of land at 40.4 people per square mile.
About Lake County, TN
Lake County is a county in Tennessee with a population of 6,691. It ranks #92 among counties in Tennessee by population. The median age is 41.6, older than the national median. The population is 62.5% male and 37.5% female.
The median household income in Lake County is $30,500, below the US median of $74,580. 33.4% of residents live below the federal poverty level. Home values sit at a median of $107,000, with monthly rent averaging $472. The homeownership rate of 45.3% is lower than the national rate of 64.8%.
Educational attainment in Lake County reflects 9.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 1.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.4 minutes each way.
Lake County Population History (2010-2024)
The county of Lake County had a population of 7,827 in 2010 and 6,422 in 2024, a -18.0% growth over 14 years. The peak was 7,827 in 2010. Average annual growth rate: -1.39%.
6,422
Population (2024)
7,827
Population (2010)
7,827
Peak (2010)
-1.39%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 7,827 |
| 2011 | 7,794 |
| 2012 | 7,718 |
| 2013 | 7,712 |
| 2014 | 7,679 |
| 2015 | 7,603 |
| 2016 | 7,528 |
| 2017 | 7,450 |
| 2018 | 7,387 |
| 2019 | 7,010 |
| 2020 | 6,985 |
| 2021 | 6,588 |
| 2022 | 6,493 |
| 2023 | 6,407 |
| 2024 | 6,422 |
Race & Ethnicity
| White | 66.1% |
| Black or African American | 22.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.5% |
| Two or More Races | 0.1% |
Age & Sex
41.6
Median Age
37.5%
Female
62.5%
Male
15.8%
Age 65+
Age Distribution
Children (under 15): 12.0% · Seniors (65+): 15.8%
Income & Poverty
| Median household income | $30,500$-36,597 vs state |
| Mean household income | $48,831 |
| Per-capita income | $16,275 |
| Poverty rate | 33.4%+23.5% vs state |
| Unemployment rate | 1.2% |
| Employment-to-population | 26.7% |
Top Industries by Employment
The largest employment sector in Lake County is professional & business services, accounting for 23.1% of workers.
How residents commute
0.0%
Drive alone
1.9%
Carpool
81.9%
Public transit
1.6%
Work from home
21.4 min
Avg commute
Housing
$107,000$-149,800 vs state
Median home value
$472
Median rent
45.3%
Homeownership rate
2,497
Total housing units
81.0%
Occupied
19.0%
Vacant
54.7%
Renter-occupied
Social & access
84.9%
With health insurance
82.4%
With broadband internet
23.5%
Foreign-born
6.7%
Veterans (18+)
28.3%
With a disability
96.5%
Speak language other than English at home
Education
71.8%
High School+
9.4%
Bachelor's+
Largest cities in Tennessee
Other counties in Tennessee
Part of Tennessee
Metro areas in Tennessee
County rankings
Frequently Asked Questions
Lake County, Tennessee has a population of 6,691 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 92nd-largest county in Tennessee. Population density is 40 people per square mile.
The population of Lake County has declined 18.0% since 2010 (7,827 → 6,422), a -1.40% annualized rate.
The median household income in Lake County, Tennessee is $30,500, with mean (average) household income of $48,831 and per-capita income of $16,275. 33.4% of residents live below the federal poverty level.
In Lake County, the largest racial and ethnic groups are White (66.1%), Black or African American (22.3%), Hispanic or Latino (3.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Lake County, Tennessee is 41.6 years. Residents are 37.5% female and 62.5% male.
The median home value in Lake County is $107,000 and median monthly rent is $472. 45.3% of occupied housing units are owner-occupied. The county has 2,497 total housing units, 19.0% of which are vacant.
The largest employment sector in Lake County, Tennessee is professional, scientific, and management services, employing 23.1% of workers. The unemployment rate is 1.2%.
Nashville-Davidson is among the largest cities associated with Lake County, Tennessee, with a population of 684,298.
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Full rankings of Tennessee counties
Statewide data for Tennessee
Population, race, income, age, and trends across Tennessee
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.