Clarksville had an estimated 188,829 people on July 1, 2025, up 13.2% since 2020 and 42% since 2010, with a median age of 31. Census Bureau figures.
Last checked Oct. 17, 2026. Figures come from the U.S. Census Bureau: the 2010 and 2020 censuses, the Vintage 2025 city and town estimates, the 2020-2024 American Community Survey and QuickFacts.
Clarksville had an estimated 188,829 people on July 1, 2025, the Census Bureau says. That is 22,040 more than the 2020 estimates base, a 13.2% gain in five years, more than double Tennessee’s 5.8%. Since the 2010 census (132,929), the city has grown 42%. Questions about local planning data go to the Regional Planning Commission, 931-645-7448.
What this means for you
- Clarksville added about 3,000 to 6,000 people a year from 2021 to 2025.
- It is a young city: the median age is 31, and about 1 in 4 residents is under 18.
- Three of every four Montgomery County residents live in the city.
Population since 2010
| Year | Population | Source |
|---|---|---|
| 2010 | 132,929 | 2010 census |
| 2020 | 166,722 | 2020 census |
| 2021 | 170,879 | July 1 estimate |
| 2022 | 176,939 | July 1 estimate |
| 2023 | 180,981 | July 1 estimate |
| 2024 | 185,811 | July 1 estimate |
| 2025 | 188,829 | July 1 estimate |
The biggest one-year gain was 2022, about 6,060 people. Growth slowed to about 3,020 in the year to July 2025.
Who lives here
From the Census Bureau’s 2020-2024 American Community Survey, five-year estimates:
| Measure | Clarksville | Montgomery County |
|---|---|---|
| Median age | 31.0 | 31.9 |
| Under 18 | 26.6% | 26.8% |
| 65 and older | 9.6% | 10.0% |
| Households | 67,832 | 87,759 |
| Average household size | 2.54 | 2.62 |
| Median household income | $69,303 | $75,613 |
| Below the poverty line | 12.3% | 11.3% |
| Bachelor’s degree or higher (25 and older) | 29.9% | 31.1% |
| Housing units | 72,320 | 93,445 |
| Owner-occupied homes | 55.6% | 61.9% |
| Median home value (owner-occupied) | $263,600 | $280,200 |
| Median gross rent | $1,307 | $1,308 |
How Clarksville compares
| Place | 2020 | 2025 estimate | Change | Median household income |
|---|---|---|---|---|
| Clarksville | 166,789 | 188,829 | +13.2% | $69,303 |
| Montgomery County | 220,012 | 249,935 | +13.6% | $75,613 |
| Tennessee | 6,912,319 | 7,315,076 | +5.8% | |
| Oak Grove, Ky. | 7,934 | 7,830 | -1.3% | $49,354 |
| Fort Campbell North, Ky. | 12,825 (census) | no annual estimate | $58,933 |
The 2020 column is the bureau’s estimates base, except Fort Campbell North, a census-designated place with no yearly estimates. Incomes are 2020-2024 ACS figures. Clarksville holds about 76% of the county’s people. Oak Grove, about 9 miles from the city center, is slightly smaller than in 2020, and Fort Campbell North, about 10 miles away, is the youngest of these places, with a median age of 22.2.
What the numbers mean
- Estimates are not counts. The bureau revises each year’s figures when it publishes the next vintage.
- ACS figures are five-year averages with margins of error; small differences may not be meaningful.
- The next full count is the 2030 census.
More guides: home prices, schools and moving to Clarksville.
Frequently asked questions
What is the population of Clarksville, Tennessee?
188,829 on July 1, 2025, according to the Census Bureau’s latest estimate. The 2020 census counted 166,722.
How fast is Clarksville growing?
The city added about 22,000 people from 2020 to 2025, a 13.2% gain, more than double Tennessee’s 5.8%. Since the 2010 census it has grown 42%.
What is the median household income in Clarksville?
$69,303 in the Census Bureau’s 2020-2024 American Community Survey. Montgomery County’s was $75,613.
What is the median age in Clarksville?
31.0 years, in the 2020-2024 American Community Survey. About 27% of residents are under 18 and about 10% are 65 or older.
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