Grainger County, Tennessee Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 61st-largest in Tennessee
The population of Grainger County, Tennessee is 23,929 as of the 2023 American Community Survey, making it the 61st-largest county in Tennessee. The median household income is $51,351, the median home value is $172,000, and the median age is 45.7.
The population of Grainger County has grown 10.4% since 2010 (22,718 → 25,073), a +0.71% annualized rate.
23,929
Population
+0.71%
Annual growth
85
People / sq mi
$51,351
Median Income
$172,000
Median Home Value
Grainger County covers 281 sq mi of land at 85.3 people per square mile.
About Grainger County, TN
Grainger County is a county in Tennessee with a population of 23,929. It ranks #61 among counties in Tennessee by population. The median age is 45.7, older than the national median. The population is 50.6% male and 49.4% female.
The median household income in Grainger County is $51,351, below the US median of $74,580. 12.1% of residents live below the federal poverty level. Home values sit at a median of $172,000, with monthly rent averaging $726. The homeownership rate of 78.7% is higher than the national rate of 64.8%.
Educational attainment in Grainger County reflects 14.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 31.7 minutes each way.
Grainger County Population History (2010-2024)
The county of Grainger County had a population of 22,718 in 2010 and 25,073 in 2024, a 10.4% growth over 14 years. The peak was 25,073 in 2024. Average annual growth rate: 0.71%.
25,073
Population (2024)
22,718
Population (2010)
25,073
Peak (2024)
0.71%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 22,718 |
| 2011 | 22,748 |
| 2012 | 22,682 |
| 2013 | 22,733 |
| 2014 | 22,857 |
| 2015 | 22,847 |
| 2016 | 23,092 |
| 2017 | 23,119 |
| 2018 | 23,160 |
| 2019 | 23,406 |
| 2020 | 23,569 |
| 2021 | 23,801 |
| 2022 | 24,191 |
| 2023 | 24,697 |
| 2024 | 25,073 |
Race & Ethnicity
| White | 96.0% |
| Black or African American | 1.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Age & Sex
45.7
Median Age
49.4%
Female
50.6%
Male
21.3%
Age 65+
Age Distribution
Children (under 15): 15.9% · Seniors (65+): 21.3%
Income & Poverty
| Median household income | $51,351$-15,746 vs state |
| Mean household income | $68,952 |
| Per-capita income | $28,789 |
| Poverty rate | 12.1%+2.2% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 50.0% |
Top Industries by Employment
The largest employment sector in Grainger County is professional & business services, accounting for 21.3% of workers.
How residents commute
0.0%
Drive alone
0.1%
Carpool
82.1%
Public transit
7.5%
Work from home
31.7 min
Avg commute
Housing
$172,000$-84,800 vs state
Median home value
$726
Median rent
78.7%
Homeownership rate
11,746
Total housing units
81.4%
Occupied
18.6%
Vacant
21.3%
Renter-occupied
Social & access
91.2%
With health insurance
86.8%
With broadband internet
30.9%
Foreign-born
7.4%
Veterans (18+)
22.4%
With a disability
97.8%
Speak language other than English at home
Education
83.8%
High School+
14.9%
Bachelor's+
Largest cities in Tennessee
Other counties in Tennessee
Part of Tennessee
Metro areas in Tennessee
County rankings
Frequently Asked Questions
Grainger County, Tennessee has a population of 23,929 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 61st-largest county in Tennessee. Population density is 85 people per square mile.
The population of Grainger County has grown 10.4% since 2010 (22,718 → 25,073), a +0.71% annualized rate.
The median household income in Grainger County, Tennessee is $51,351, with mean (average) household income of $68,952 and per-capita income of $28,789. 12.1% of residents live below the federal poverty level.
In Grainger County, the largest racial and ethnic groups are White (96.0%), Black or African American (1.1%), Hispanic or Latino (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Grainger County, Tennessee is 45.7 years. Residents are 49.4% female and 50.6% male.
The median home value in Grainger County is $172,000 and median monthly rent is $726. 78.7% of occupied housing units are owner-occupied. The county has 11,746 total housing units, 18.6% of which are vacant.
The largest employment sector in Grainger County, Tennessee is manufacturing, employing 21.3% of workers. The unemployment rate is 2.7%.
Nashville-Davidson is among the largest cities associated with Grainger 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.