8th most populous of 95
With 211,721 residents in 2024, Sumner County ranks 8th by population among Tennessee's 95 counties and is home to 2.9% of the state's residents.

Sumner County has the 3rd highest median household income in Tennessee ($90,301) and the 4th most expensive homes (median value $393,100).
Sumner County is home to 211,721 people (2024 estimate) on 529 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 211,721 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 160,645 | 2010 · U.S. Census Bureau |
| Population, 2000 | 131,207 | July 1, 2000 · Census intercensal |
| Change since 2000 | +61.4% | 2000–2024 · Census |
| International migration | +339 | 2024 · Census Vintage 2024 |
| Domestic migration | +2,642 | 2024 · Census Vintage 2024 |
| Birth rate | 11.2 per 1,000 | 2024 · calculated |
| Death rate | 9.7 per 1,000 | 2024 · calculated |
| Population rank in Tennessee | 8th of 95 | 2024 · calculated |
| Per capita personal income | $73,326 | BEA, 2024 · official |
| Gross domestic product | $11.9 billion | BEA, current dollars, 2024 · official |
| Median household income | $90,301 | ACS 2020–2024 5-year · official |
| Poverty rate | 8.8% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 33.6% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 4.0% | ACS 2020–2024 5-year · official |
| Median home value | $393,100 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,424/month | ACS 2020–2024 5-year · official |
| Median age | 39.8 years | ACS 2020–2024 5-year · official |
| Households | 78,582 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 72.0% | ACS 2020–2024 5-year · official |
Comparable indicators for Sumner County, Tennessee and the United States.
| Indicator | County | Tennessee | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +7.9% | +4.6% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 11.2 | 11.5 | 10.6 | 2024 |
| Death rate (per 1,000) | 9.7 | 11.0 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 14.1 | 10.5 | 8.2 | 2024 |
| Population density (/mi²) | 399.9 | 175.3 | 96.3 | 2024 |
| Per capita personal income | $73,326 | $66,504 | $73,204 | BEA, 2024 |
| Median household income | $90,301 | $69,595 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 8.8% | 13.8% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 33.6% | 31.1% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 4.0% | 6.1% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $393,100 | $286,700 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,424/month | $1,189/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 39.8 years | 38.9 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 72.0% | 66.9% | 65.2% | ACS 2020–2024 5-year |
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With 211,721 residents in 2024, Sumner County ranks 8th by population among Tennessee's 95 counties and is home to 2.9% of the state's residents.
Its population went from 131,207 in 2000 to 211,721 in 2024, a change of +61.4%, compared with +26.7% for Tennessee as a whole.
In the year to July 2024 the county recorded 2,373 births and 2,056 deaths, so births outnumbered deaths by 317.
Annual Census estimates since 2000 put the county's highest population in 2024, at 211,721.
Sumner County has about 399.9 residents per square mile of land, ranking 10th of 95 counties; Tennessee averages 175.3.
With a median household income of $90,301 (ACS 2020–2024 5-year), the county ranks 3rd of 95 Tennessee counties; the state median is $69,595.
Its economy produced $11.9 billion of GDP in 2024 (BEA), 7th largest among 95 Tennessee counties.
Real GDP grew 4.9% in 2024, adjusted for inflation (BEA, chained 2017 dollars).