Grundy County, Tennessee Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 82nd-largest in Tennessee
The population of Grundy County, Tennessee is 13,665 as of the 2023 American Community Survey, making it the 82nd-largest county in Tennessee. The median household income is $45,573, the median home value is $133,400, and the median age is 42.9.
The population of Grundy County has grown 3.1% since 2010 (13,725 → 14,148), a +0.22% annualized rate.
13,665
Population
+0.22%
Annual growth
38
People / sq mi
$45,573
Median Income
$133,400
Median Home Value
Grundy County covers 360 sq mi of land at 37.9 people per square mile.
About Grundy County, TN
Grundy County is a county in Tennessee with a population of 13,665. It ranks #82 among counties in Tennessee by population. The median age is 42.9, older than the national median. The population is 49.9% male and 50.1% female.
The median household income in Grundy County is $45,573, below the US median of $74,580. 14.9% of residents live below the federal poverty level. Home values sit at a median of $133,400, with monthly rent averaging $723. The homeownership rate of 83.2% is higher than the national rate of 64.8%.
Educational attainment in Grundy County reflects 12.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 33.9 minutes each way.
Grundy County Population History (2010-2024)
The county of Grundy County had a population of 13,725 in 2010 and 14,148 in 2024, a 3.1% growth over 14 years. The peak was 14,148 in 2024. Average annual growth rate: 0.22%.
14,148
Population (2024)
13,725
Population (2010)
14,148
Peak (2024)
0.22%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 13,725 |
| 2011 | 13,588 |
| 2012 | 13,583 |
| 2013 | 13,449 |
| 2014 | 13,341 |
| 2015 | 13,339 |
| 2016 | 13,284 |
| 2017 | 13,336 |
| 2018 | 13,343 |
| 2019 | 13,409 |
| 2020 | 13,548 |
| 2021 | 13,595 |
| 2022 | 13,813 |
| 2023 | 13,992 |
| 2024 | 14,148 |
Race & Ethnicity
| White | 94.5% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.9% |
| Two or More Races | 0.0% |
Age & Sex
42.9
Median Age
50.1%
Female
49.9%
Male
20.7%
Age 65+
Age Distribution
Children (under 15): 17.3% · Seniors (65+): 20.7%
Income & Poverty
| Median household income | $45,573$-21,524 vs state |
| Mean household income | $61,536 |
| Per-capita income | $24,411 |
| Poverty rate | 14.9%+5.0% vs state |
| Unemployment rate | 3.5% |
| Employment-to-population | 45.9% |
Top Industries by Employment
The largest employment sector in Grundy County is professional & business services, accounting for 23.9% of workers.
How residents commute
0.1%
Drive alone
0.8%
Carpool
78.7%
Public transit
5.6%
Work from home
33.9 min
Avg commute
Housing
$133,400$-123,400 vs state
Median home value
$723
Median rent
83.2%
Homeownership rate
6,213
Total housing units
82.2%
Occupied
17.8%
Vacant
16.8%
Renter-occupied
Social & access
86.8%
With health insurance
88.4%
With broadband internet
19.7%
Foreign-born
6.9%
Veterans (18+)
26.2%
With a disability
99.3%
Speak language other than English at home
Education
80.0%
High School+
12.4%
Bachelor's+
Largest cities in Tennessee
Other counties in Tennessee
Part of Tennessee
Metro areas in Tennessee
County rankings
Frequently Asked Questions
Grundy County, Tennessee has a population of 13,665 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 82nd-largest county in Tennessee. Population density is 38 people per square mile.
The population of Grundy County has grown 3.1% since 2010 (13,725 → 14,148), a +0.22% annualized rate.
The median household income in Grundy County, Tennessee is $45,573, with mean (average) household income of $61,536 and per-capita income of $24,411. 14.9% of residents live below the federal poverty level.
In Grundy County, the largest racial and ethnic groups are White (94.5%), Hispanic or Latino (2.9%), Black or African American (0.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Grundy County, Tennessee is 42.9 years. Residents are 50.1% female and 49.9% male.
The median home value in Grundy County is $133,400 and median monthly rent is $723. 83.2% of occupied housing units are owner-occupied. The county has 6,213 total housing units, 17.8% of which are vacant.
The largest employment sector in Grundy County, Tennessee is professional, scientific, and management services, employing 23.9% of workers. The unemployment rate is 3.5%.
Nashville-Davidson is among the largest cities associated with Grundy 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.