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
Educational attainment is the headline number in Grundy County: 12.4% of adults 25 and older have a four-year degree. Grundy County is a county in Tennessee with a population of 13,665.
The typical household earns $45,573, below the US median of $78,538. The poverty rate is 14.9%, above the national 12.4%. Housing is relatively affordable, with a median home value of $133,400, with typical rent around $723.
Four-year-degree attainment is near the bottom of the range for US counties, 12.4%, below the national 35.0%. Remote work is on the lower side here, at 5.6%, below the national 14.0%, and the average commute runs about 34 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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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.