Hamilton County, Tennessee Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Hamilton 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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B
Health Around averageHealthier than 93% of counties in Tennessee
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C
Income Below averageWealthier than 88% of counties in Tennessee
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B
Education Around averageAmong the top 5 best educated counties in Tennessee
Source: Map AI Methodology
Population: density and quick facts
| Metric | Hamilton County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Population | 375,392 | 7,058,506 | 337,468,954 |
| Population density (per sq mi) | 652.2 | 167.5 | 86.4 |
| Population growth (%/yr) | 0.80% | 0.94% | 0.59% |
| Median age | 38.2 | 37.3 | 37.3 |
| Households | 153,874 | 2,819,839 | 130,235,071 |
Population in Hamilton County grew by 12.8% from 2009 to 2024, reaching 375,392 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Hamilton County is Millennials, aged 29–44, at 21.9% of residents. That is 0.4 points above Tennessee as a whole.
- Gen Z 13–28 77,683 20.7% -0.7 pts
- Millennials 29–44 82,158 21.9% +0.4 pts
- Gen X 45–60 74,409 19.8% -0.4 pts
- Boomers 61–79 67,129 17.9% +0.6 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 51.6% of the people living in Hamilton County and men 48.4%.
- Women 51.6% Tennessee 50.9%
- Men 48.4% Tennessee 49.1%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Hamilton County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Hamilton County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Hamilton County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Median household income | $76,240 | $69,901 | $80,455 |
| Income growth (%/yr) | 5.63% | 5.19% | 4.80% |
| Unemployment rate | 4.4% | 4.6% | 5.2% |
The median household income in Hamilton County is about 9% higher than in Tennessee.
Housing
| Metric | Hamilton County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Median home price | $311,675 | $255,786 | $248,835 |
| Median rent | $1,253 | $1,188 | $1,407 |
| Homeownership rate | 63.9% | 66.9% | 65.2% |
The median home price in Hamilton County is about 20.7 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,253 per month for that long.
Commute Time & Mobility
Commuters in Hamilton County spend about 42 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 173 hours, about 7.2 full days, spent commuting.
| Metric | Hamilton County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 20.8 | 22.4 | 22.4 |
| Round-trip commute (min) | 41.5 | 44.8 | 44.8 |
| Yearly time spent (hours) | 173 | 187 | 187 |
| Estimated yearly cost | $5,364 | $5,785 | $5,790 |
| Work from home | 14.3% | 12.9% | 15.0% |
| Highway traffic (vehicles/day) | 12,147 | 9,259 | 8,813 |
| Local road traffic (vehicles/day) | 2,050 | 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 Hamilton County is 21 minutes, shorter 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
Hamilton County has a education index of B, which means it is quite educated.
| Metric | Hamilton County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 32.9% | 27.5% | 31.6% |
| Average household size | 2.38 | 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
Hamilton County has a health index of B, which means it is quite healthy.
| Metric | Hamilton County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 76.3 | 74.8 | 78.3 |
| Self-rated poor health | 16.8% | 19.5% | 16.3% |
| Smokers | 20.4% | 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).
Hamilton County, TN Compared With Nearby Counties
Hamilton County, TN is the largest of the 4 counties compared here, 375,392 residents against a local median of 103,598. Hamilton County, TN's median home price, at $311,675, runs 43% above the $217,500 typical of the counties around it.
The counties themselves sit within $38,079 of each other on median home price, a tighter band than the gap between any of them and Hamilton County, TN, which makes it a genuine outlier here rather than one end of a wide local spread. Hamilton County, TN has the highest median home price of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Hamilton County, TN | 375,392 | $76,240 #1/4 | $311,675 #1/4 | 20.8 min #2/4 |
| Catoosa County, GA | 68,548 | $74,605 | $185,416 | 23.3 min |
| Bradley County, TN | 110,691 | $67,551 | $223,495 | 18.9 min |
| Whitfield County, GA | 103,598 | $66,797 | $217,500 | 20.8 min |
Frequently Asked Questions
Common questions about Hamilton County, Tennessee.
How many people live in Hamilton County, Tennessee?
About 375,392 people live in Hamilton County, Tennessee, in 153,874 households of 2.4 people on average. The median age is 38.2, close to the U.S. median of 37.3.
Is Hamilton County, Tennessee urban or rural?
Averaged over its land area, Hamilton County, Tennessee has 652 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 7.5 times the U.S. average of 86.
Can a typical household afford a home in Hamilton County, Tennessee?
The median home costs 4.1 times the median household income ($311,675 against $76,240), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,253 a month takes about 20% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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