Grundy County, Tennessee Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Grundy County, TN Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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C
Health Below averageLess healthy than 90% of counties in Tennessee
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D
Income Well below averageLess wealthy than 82% of counties in Tennessee
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F
Education Well below averageLess educated than 71% of counties in Tennessee
Source: Map AI Methodology
Population: density and quick facts
| Metric | Grundy County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Population | 13,819 | 7,058,506 | 337,468,954 |
| Population density (per sq mi) | 38.3 | 167.5 | 86.4 |
| Population growth (%/yr) | 0.30% | 0.94% | 0.59% |
| Median age | 43.9 | 37.3 | 37.3 |
| Households | 5,161 | 2,819,839 | 130,235,071 |
Population in Grundy County declined by 3.1% from 2009 to 2024, reaching 13,819 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Grundy County is Gen X, aged 45–60, at 21.8% of residents. That is 1.5 points above Tennessee as a whole.
- Gen Z 13–28 2,629 19.0% -2.3 pts
- Millennials 29–44 2,598 18.8% -2.7 pts
- Gen X 45–60 3,014 21.8% +1.5 pts
- Boomers 61–79 2,896 21.0% +3.6 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Tennessee, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.9% of the people living in Grundy County and men 49.1%.
- Women 50.9% Tennessee 50.9%
- Men 49.1% Tennessee 49.1%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Grundy County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Grundy County has a the economy index of D, which means it is barely prosperous.
| Metric | Grundy County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Median household income | $48,237 | $69,901 | $80,455 |
| Income growth (%/yr) | 6.73% | 5.19% | 4.80% |
| Unemployment rate | 9.0% | 4.6% | 5.2% |
The median household income in Grundy County is about 31% lower than in Tennessee.
Housing
| Metric | Grundy County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Median home price | $189,285 | $255,786 | $248,835 |
| Median rent | $635 | $1,188 | $1,407 |
| Homeownership rate | 83.7% | 66.9% | 65.2% |
The median home price in Grundy County is about 24.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $635 per month for that long.
Commute Time & Mobility
Commuters in Grundy County spend about 64 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 266 hours, about 11.1 full days, spent commuting.
| Metric | Grundy County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 31.9 | 22.4 | 22.4 |
| Round-trip commute (min) | 63.7 | 44.8 | 44.8 |
| Yearly time spent (hours) | 266 | 187 | 187 |
| Estimated yearly cost | $8,234 | $5,785 | $5,790 |
| Work from home | 5.8% | 12.9% | 15.0% |
| Highway traffic (vehicles/day) | 8,103 | 9,259 | 8,813 |
| Local road traffic (vehicles/day) | 629 | 1,225 | 1,355 |
Fastest commutes among counties in
Tennessee:
Dyer County (15.9 min), Henry County (16.7 min), Obion County (17.1 min).
Slowest:
Cannon County (33.3 min), Union County (33.2 min), Fayette County (33.1 min).
The average commute time in Grundy County is 32 minutes, longer than the 22 minutes in Tennessee.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Grundy County has a education index of F, which means it scores poorly in education.
| Metric | Grundy County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 12.6% | 27.5% | 31.6% |
| Average household size | 2.64 | 2.45 | 2.53 |
Highest education index among counties in
Tennessee:
Williamson County (0.4), Davidson County (0.3), Knox County (0.3).
Lowest:
Lake County (0.1), Van Buren County (0.1), Lauderdale County (0.1).
Health
Grundy County has a health index of C, which means it is somewhat healthy.
| Metric | Grundy County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 74.0 | 74.8 | 78.3 |
| Self-rated poor health | 22.0% | 19.5% | 16.3% |
| Smokers | 27.5% | 25.1% | 19.0% |
Highest health index among counties in
Tennessee:
Williamson County (0.8), Rutherford County (0.8), Wilson County (0.8).
Lowest:
Clay County (0.8), Lake County (0.8), Hancock County (0.8).
Grundy County, TN Compared With Nearby Counties
Grundy County, TN is the smallest of the 4 counties compared here, 13,819 residents against a local median of 42,165. The measure that sets Grundy County, TN apart most is commute: 31.9 min, 49% above the local median of 21.4 min. That is the weaker end of the local range on this measure.
Median household income tells the same story from another angle: $48,237 against a local median of $61,155, 21% below it. Every measure here with a clear better direction points the same way, and it is the wrong way: Grundy County, TN reads weaker than its neighbours on all of them. The counties themselves spread 11.2 min on commute, so Grundy County, TN sits at one end of an already wide local range rather than apart from it. Grundy County, TN has the 4th lowest commute of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Grundy County, TN | 13,819 | $48,237 #4/4 | $189,285 #3/4 | 31.9 min #4/4 |
| Marion County, TN | 29,249 | $61,839 | $160,237 | 31.6 min |
| Warren County, TN | 42,165 | $55,751 | $214,873 | 20.3 min |
| Coffee County, TN | 59,710 | $61,155 | $487,999 | 21.4 min |
Frequently Asked Questions
Common questions about Grundy County, Tennessee.
How many people live in Grundy County, Tennessee?
About 13,819 people live in Grundy County, Tennessee, in 5,161 households of 2.6 people on average. The median age is 43.9, so residents are older than the U.S. median of 37.3 by about 7 years.
How densely populated is Grundy County, Tennessee?
Averaged over its land area, Grundy County, Tennessee has 38 people per square mile, a density typical of rural areas. That is about 44% of the U.S. average of 86.
Can a typical household afford a home in Grundy County, Tennessee?
The median home costs 3.9 times the median household income ($189,285 against $48,237), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $635 a month takes about 16% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in Grundy County, Tennessee?
Unemployment in Grundy County, Tennessee is 9.0%, well above the U.S. rate of 5.2%, so job seekers may face more competition than elsewhere.
What share of adults in Grundy County, Tennessee have a college degree?
12.6% of adults in Grundy County, Tennessee hold a bachelor's degree or higher (about 1 in 8), well below the U.S. share of 31.6%.
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