Lewis County, Tennessee Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Lewis 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 average
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D
Income Well below average
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F
Education Well below averageLess educated than 77% of counties in Tennessee
Source: Map AI Methodology
Population: density and quick facts
| Metric | Lewis County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Population | 12,992 | 7,058,506 | 337,468,954 |
| Population density (per sq mi) | 46.0 | 167.5 | 86.4 |
| Population growth (%/yr) | 1.10% | 0.94% | 0.59% |
| Median age | 42.2 | 37.3 | 37.3 |
| Households | 5,387 | 2,819,839 | 130,235,071 |
Population in Lewis County grew by 13.3% from 2009 to 2024, reaching 12,992 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Lewis County is Boomers, aged 61–79, at 21.5% of residents. That is 4.2 points above Tennessee as a whole.
- Gen Z 13–28 2,493 19.2% -2.2 pts
- Millennials 29–44 2,487 19.1% -2.4 pts
- Gen X 45–60 2,714 20.9% +0.6 pts
- Boomers 61–79 2,790 21.5% +4.2 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 50.1% of the people living in Lewis County and men 49.9%.
- Women 50.1% Tennessee 50.9%
- Men 49.9% Tennessee 49.1%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Lewis County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Lewis County has a the economy index of D, which means it is barely prosperous.
| Metric | Lewis County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Median household income | $55,909 | $69,901 | $80,455 |
| Income growth (%/yr) | 5.22% | 5.19% | 4.80% |
| Unemployment rate | 3.7% | 4.6% | 5.2% |
The median household income in Lewis County is about 20% lower than in Tennessee.
Housing
| Metric | Lewis County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Median home price | $137,500 | $255,786 | $248,835 |
| Median rent | $708 | $1,188 | $1,407 |
| Homeownership rate | 81.9% | 66.9% | 65.2% |
The median home price in Lewis County is about 16.2 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $708 per month for that long.
Commute Time & Mobility
Commuters in Lewis County spend about 60 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 251 hours, about 10.5 full days, spent commuting.
| Metric | Lewis County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 30.1 | 22.4 | 22.4 |
| Round-trip commute (min) | 60.3 | 44.8 | 44.8 |
| Yearly time spent (hours) | 251 | 187 | 187 |
| Estimated yearly cost | $7,783 | $5,785 | $5,790 |
| Work from home | 6.4% | 12.9% | 15.0% |
| Highway traffic (vehicles/day) | 2,181 | 9,259 | 8,813 |
| Local road traffic (vehicles/day) | 262 | 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 Lewis County is 30 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
Lewis County has a education index of F, which means it scores poorly in education.
| Metric | Lewis County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 8.9% | 27.5% | 31.6% |
| Average household size | 2.36 | 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
Lewis County has a health index of C, which means it is somewhat healthy.
| Metric | Lewis County | Tennessee Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 75.8 | 74.8 | 78.3 |
| Self-rated poor health | 20.0% | 19.5% | 16.3% |
| Smokers | 26.1% | 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).
Lewis County, TN Compared With Nearby Counties
Lewis County, TN is the smallest of the 4 counties compared here, 12,992 residents against a local median of 45,385. Where Lewis County, TN breaks from the counties next to it is median home price, sitting 32% above the local median of $104,427 at $137,500.
Median household income tells the same story from another angle: $55,909 against a local median of $67,534, 17% below it. The one measure here that carries a verdict is median household income, and at 17% below the local median it puts Lewis County, TN at the weaker end of the local range. The counties themselves spread $103,272 on median home price, so Lewis County, TN sits at one end of an already wide local range rather than apart from it. Lewis County, TN has the 2nd highest median home price of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Lewis County, TN | 12,992 | $55,909 #4/4 | $137,500 #2/4 | 30.1 min #3/4 |
| Hickman County, TN | 25,436 | $67,534 | $94,027 | 32.1 min |
| Lawrence County, TN | 45,385 | $56,065 | $104,427 | 21.8 min |
| Maury County, TN | 107,806 | $76,039 | $197,300 | 27.5 min |
Frequently Asked Questions
Common questions about Lewis County, Tennessee.
How many people live in Lewis County, Tennessee?
About 12,992 people live in Lewis County, Tennessee, in 5,387 households of 2.4 people on average. The median age is 42.2, so residents are older than the U.S. median of 37.3 by about 5 years.
How densely populated is Lewis County, Tennessee?
Averaged over its land area, Lewis County, Tennessee has 46 people per square mile, a density typical of rural areas. That is about 53% of the U.S. average of 86.
How affordable is housing in Lewis County, Tennessee?
The median home costs 2.5 times the median household income ($137,500 against $55,909), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $708 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Lewis County, Tennessee?
Unemployment in Lewis County, Tennessee is only 3.7%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
What share of adults in Lewis County, Tennessee have a college degree?
8.9% of adults in Lewis County, Tennessee hold a bachelor's degree or higher (about 1 in 11), well below the U.S. share of 31.6%.
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