Sumner County, Tennessee
Located in Tennessee, Sumner County has a population of 204,424 residents and a median age of 39.8 years, making it the #344 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 8.8%. The median home value is $393,100, and the median household income is $90,301, which is 20% above the national median.
Demographics
Sumner County has a population of 204,424, making it the #344 most populous county in the US. The median age is 39.8 years, which is 2.3% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Sumner County is $90,301, ranking #293 out of 3,222 counties — 20.2% above the national median. The poverty rate is 8.8% and unemployment stands at 3.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Sumner County is $393,100 (+39.4% vs national). Renters pay a median of $1,424/mo and the homeownership rate is 72.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Sumner County, 33.6% of adults age 25+ hold a bachelor's degree or higher, which is 0.4% below the national average, ranking #541 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Sumner County is 75.6 years. 17.0% of adults report poor or fair health and 9.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.5% of adults in Sumner County smoke , 38.4% are obese , and 19.9% report excessive drinking. The drug overdose death rate is 37.0 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Sumner County is 4.5 per 100,000 and the suicide rate is 18.5 per 100,000. Motor vehicle deaths occur at a rate of 11.4 per 100,000.
Homicide Rate Trend
Families & Children
11.9% of children in Sumner County live in poverty and the infant mortality rate is 4.5 per 1,000 live births. The teen birth rate is 17.9 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Sumner County is 66.3%. The mean commute time is 31.7 min, which is 14.8% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Sumner County voted Republican with a margin of 41.8%. The vote was 28.5% Dem / 70.3% Rep. Compared to 2020, the margin shifted 3.2 toward Republicans .
Vote Share Over Time
About Sumner County, Tennessee
Sumner County, Tennessee has a total population of 204,424, making it the 344th most populous county in the United States. The median age in Sumner County is 39.8 years, which is 2.3% above the national median of 38.9 years.
The median household income in Sumner County is $90,301, which ranks #293 of 3,222 counties nationwide. This is 20.2% above the national median of $75,149. The poverty rate is 8.8%, lower than the national rate of 12.6%. The unemployment rate stands at 3.6%.
The median home value in Sumner County is $393,100, 39.4% above the national median. Renters in Sumner County pay a median gross rent of $1,424 per month. The homeownership rate is 72.0%, compared to the national rate of 64.4%.
In Sumner County, 33.6% of residents aged 25 and older hold a bachelor's degree or higher, 0.4% below the national average of 33.7%. Health insurance coverage stands at 92.5% of the population. The average commute time for workers is 31.7 min.
Sumner County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 78.6% of the population, followed by Black (non-Hispanic) (8.4%) and Hispanic or Latino (7.2%).
All data for Sumner County, Tennessee comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.