Marshall County, Tennessee
Located in Tennessee, Marshall County has a population of 36,049 residents and a median age of 39.5 years, making it the #1,315 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.8%. The median home value is $279,800, and the median household income is $71,049, which is 5% below the national median.
Demographics
Marshall County has a population of 36,049, making it the #1,315 most populous county in the US. The median age is 39.5 years, which is 1.5% 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 Marshall County is $71,049, ranking #1,126 out of 3,222 counties — 5.5% below the national median. The poverty rate is 11.8% and unemployment stands at 3.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Marshall County is $279,800 (-0.7% vs national). Renters pay a median of $946/mo and the homeownership rate is 76.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Marshall County, 23.1% of adults age 25+ hold a bachelor's degree or higher, which is 31.4% below the national average, ranking #1,490 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Marshall County is 73.6 years. 23.1% of adults report poor or fair health and 10.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
23.9% of adults in Marshall County smoke , 40.1% are obese , and 17.8% report excessive drinking. The drug overdose death rate is 42.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Marshall County is 5.4 per 100,000 and the suicide rate is 21.4 per 100,000. Motor vehicle deaths occur at a rate of 17.6 per 100,000.
Homicide Rate Trend
Families & Children
15.2% of children in Marshall County live in poverty and the infant mortality rate is 6.9 per 1,000 live births. The teen birth rate is 20.6 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Marshall County is 58.8%. The mean commute time is 33.4 min, which is 20.9% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Marshall County voted Republican with a margin of 56.6%. The vote was 21.2% Dem / 77.8% Rep. Compared to 2020, the margin shifted 6.6 toward Republicans .
Vote Share Over Time
About Marshall County, Tennessee
Marshall County, Tennessee has a total population of 36,049, making it the 1,315th most populous county in the United States. The median age in Marshall County is 39.5 years, which is 1.5% above the national median of 38.9 years.
The median household income in Marshall County is $71,049, which ranks #1,126 of 3,222 counties nationwide. This is 5.5% below the national median of $75,149. The poverty rate is 11.8%, lower than the national rate of 12.6%. The unemployment rate stands at 3.9%.
The median home value in Marshall County is $279,800, 0.7% below the national median. Renters in Marshall County pay a median gross rent of $946 per month. The homeownership rate is 76.8%, compared to the national rate of 64.4%.
In Marshall County, 23.1% of residents aged 25 and older hold a bachelor's degree or higher, 31.4% below the national average of 33.7%. Health insurance coverage stands at 89.6% of the population. The average commute time for workers is 33.4 min.
Marshall County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 83.0% of the population, followed by Hispanic or Latino (7.1%) and Two or More Races (4.6%).
All data for Marshall 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.