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
Educational attainment is the headline number in Grainger County: 14.9% of adults 25 and older have a four-year degree. With 23,929 residents, Grainger County is a county in Tennessee.
The typical household earns $51,351, below the US median of $78,538. The poverty rate is 12.1%, close to the national 12.4%. Homes carry a median value of $172,000, with typical rent around $726.
College attainment is 14.9%, below the national 35.0%. Remote work is below the national 14.0% at 7.5%, and the average commute runs about 32 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.