Washington County, Tennessee Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Washington 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 91% of counties in Tennessee
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C
Income Below averageWealthier than 77% 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 | Washington County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Population | 136,261 | 7,058,506 | 337,468,954 |
| Population density (per sq mi) | 413.3 | 167.5 | 86.4 |
| Population growth (%/yr) | 0.98% | 0.94% | 0.59% |
| Median age | 40.4 | 37.3 | 37.3 |
| Households | 56,759 | 2,819,839 | 130,235,071 |
Population in Washington County grew by 16.7% from 2009 to 2024, reaching 136,261 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Washington County is Gen Z, aged 13–28, at 23.4% of residents. That is 2.1 points above Tennessee as a whole.
- Gen Z 13–28 31,887 23.4% +2.1 pts
- Millennials 29–44 26,655 19.6% -2.0 pts
- Gen X 45–60 28,253 20.7% +0.5 pts
- Boomers 61–79 25,361 18.6% +1.3 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 50.7% of the people living in Washington County and men 49.3%.
- Women 50.7% Tennessee 50.9%
- Men 49.3% Tennessee 49.1%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Washington County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Washington County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Washington County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Median household income | $62,668 | $69,901 | $80,455 |
| Income growth (%/yr) | 4.45% | 5.19% | 4.80% |
| Unemployment rate | 4.7% | 4.6% | 5.2% |
The median household income in Washington County is about 10% lower than in Tennessee.
Housing
| Metric | Washington County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Median home price | $114,705 | $255,786 | $248,835 |
| Median rent | $1,005 | $1,188 | $1,407 |
| Homeownership rate | 64.5% | 66.9% | 65.2% |
The median home price in Washington County is about 9.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,005 per month for that long.
Commute Time & Mobility
Commuters in Washington County spend about 37 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 153 hours, about 6.4 full days, spent commuting.
| Metric | Washington County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 18.4 | 22.4 | 22.4 |
| Round-trip commute (min) | 36.8 | 44.8 | 44.8 |
| Yearly time spent (hours) | 153 | 187 | 187 |
| Estimated yearly cost | $4,752 | $5,785 | $5,790 |
| Work from home | 11.9% | 12.9% | 15.0% |
| Highway traffic (vehicles/day) | 7,716 | 9,259 | 8,813 |
| Local road traffic (vehicles/day) | 1,369 | 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 Washington County is 18 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
Washington County has a education index of B, which means it is quite educated.
| Metric | Washington County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 30.5% | 27.5% | 31.6% |
| Average household size | 2.32 | 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
Washington County has a health index of B, which means it is quite healthy.
| Metric | Washington County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 75.7 | 74.8 | 78.3 |
| Self-rated poor health | 16.3% | 19.5% | 16.3% |
| Smokers | 21.8% | 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).
Washington County, TN Compared With Nearby Counties
Washington County, TN is the 2nd largest of the 5 counties compared here, 136,261 residents against a local median of 64,166. The measure that sets Washington County, TN apart most is median home price: $114,705, 27% below the local median of $156,200.
Median household income tells the same story from another angle: $62,668 against a local median of $53,265, 18% above it. Every measure here with a clear better direction points the same way, so Washington County, TN is not trading one advantage for another, it reads stronger than its neighbours across the board. The counties themselves spread $70,154 on median home price, so Washington County, TN sits at one end of an already wide local range rather than apart from it. Washington County, TN has the 5th highest median home price of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Washington County, TN | 136,261 | $62,668 #1/5 | $114,705 #5/5 | 18.4 min #1/5 |
| Sullivan County, TN | 160,624 | $59,119 | $215,151 | 18.9 min |
| Greene County, TN | 71,628 | $56,389 | $157,083 | 21.7 min |
| Carter County, TN | 56,703 | $50,141 | $144,997 | 21.8 min |
| Scott County, VA | 21,488 | $46,320 | $155,318 | 27.6 min |
Frequently Asked Questions
Common questions about Washington County, Tennessee.
How big is Washington County, Tennessee by population?
About 136,261 people live in Washington County, Tennessee, in 56,759 households of 2.3 people on average. The median age is 40.4, so residents are older than the U.S. median of 37.3 by about 3 years.
How densely populated is Washington County, Tennessee?
Averaged over its land area, Washington County, Tennessee has 413 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 4.8 times the U.S. average of 86.
Is Washington County, Tennessee an affordable place to live?
The median home costs 1.8 times the median household income ($114,705 against $62,668), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,005 a month takes about 19% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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