McNairy County, Tennessee
Located in Tennessee, McNairy County has a population of 25,970 residents and a median age of 42.9 years, making it the #1,616 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 16.5%. The median home value is $161,800, and the median household income is $53,473, which is 29% below the national median.
Demographics
McNairy County has a population of 25,970, making it the #1,616 most populous county in the US. The median age is 42.9 years, which is 10.3% 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 McNairy County is $53,473, ranking #2,564 out of 3,222 counties — 28.8% below the national median. The poverty rate is 16.5% and unemployment stands at 5.8%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in McNairy County is $161,800 (-42.6% vs national). Renters pay a median of $723/mo and the homeownership rate is 79.7%.
Median Home Value Trend
Rankings →Household Type
Education
In McNairy County, 13.0% of adults age 25+ hold a bachelor's degree or higher, which is 61.3% below the national average, ranking #3,021 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in McNairy County is 70.3 years. 23.8% of adults report poor or fair health and 13.0% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
23.6% of adults in McNairy County smoke , 43.1% are obese , and 17.4% report excessive drinking. The drug overdose death rate is 36.1 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in McNairy County is 5.5 per 100,000 and the suicide rate is 29.0 per 100,000. Motor vehicle deaths occur at a rate of 32.0 per 100,000.
Suicide Rate Trend
Families & Children
21.2% of children in McNairy County live in poverty . The teen birth rate is 24.9 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in McNairy County is 56.0%. The mean commute time is 28.9 min, which is 4.8% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, McNairy County voted Republican with a margin of 68.5%. The vote was 15.3% Dem / 83.8% Rep. Compared to 2020, the margin shifted 5.1 toward Republicans .
Vote Share Over Time
About McNairy County, Tennessee
McNairy County, Tennessee has a total population of 25,970, making it the 1,616th most populous county in the United States. The median age in McNairy County is 42.9 years, which is 10.3% above the national median of 38.9 years.
The median household income in McNairy County is $53,473, which ranks #2,564 of 3,222 counties nationwide. This is 28.8% below the national median of $75,149. The poverty rate is 16.5%, higher than the national rate of 12.6%. The unemployment rate stands at 5.8%.
The median home value in McNairy County is $161,800, 42.6% below the national median. Renters in McNairy County pay a median gross rent of $723 per month. The homeownership rate is 79.7%, compared to the national rate of 64.4%.
In McNairy County, 13.0% of residents aged 25 and older hold a bachelor's degree or higher, 61.3% below the national average of 33.7%. Health insurance coverage stands at 89.9% of the population. The average commute time for workers is 28.9 min.
McNairy County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 89.0% of the population, followed by Black (non-Hispanic) (5.4%) and Two or More Races (2.8%).
All data for McNairy 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.