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
Homeownership is the standout figure in Lake County: 45.3% of homes are owner-occupied, lower than the national rate. With 6,691 residents, Lake County is a county in Tennessee.
Household earnings sit near the bottom of the range at $30,500, below the US median of $78,538. Poverty is among the highest of comparable US counties: 33.4%, above the national 12.4%. Housing is relatively affordable, with a median home value of $107,000, with typical rent around $472.
College credentials are comparatively rare here: just 9.4%, below the national 35.0%. Home-based work is uncommon, at 1.6%, below the national 14.0%, and the average commute runs about 21 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.
Lake County, TN Climate
Lake County, TN has an average annual temperature of 14.8°C (59°F) and receives about 1278 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
14.8°C
Avg Temp
1278
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 1° / 34° | 85 mm |
| February | 4° / 39° | 99 mm |
| March | 9° / 49° | 128 mm |
| April | 15° / 58° | 127 mm |
| May | 20° / 68° | 130 mm |
| June | 25° / 76° | 107 mm |
| July | 27° / 80° | 101 mm |
| August | 26° / 78° | 82 mm |
| September | 22° / 72° | 92 mm |
| October | 16° / 61° | 85 mm |
| November | 10° / 49° | 118 mm |
| December | 4° / 40° | 124 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Lake County, TN
The most comfortable months to visit Lake County, TN are typically September, May and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near -3°C low). May is usually the wettest month.
Where to stay near Lake County
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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.