Grainger County, Tennessee
Located in Tennessee, Grainger County has a population of 24,266 residents and a median age of 47.4 years, making it the #1,690 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 17.1%. The median home value is $189,200, and the median household income is $50,538, which is 33% below the national median.
Demographics
Grainger County has a population of 24,266, making it the #1,690 most populous county in the US. The median age is 47.4 years, which is 21.9% 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 Grainger County is $50,538, ranking #2,744 out of 3,222 counties — 32.7% below the national median. The poverty rate is 17.1% and unemployment stands at 4.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Grainger County is $189,200 (-32.9% vs national). Renters pay a median of $746/mo and the homeownership rate is 77.1%.
Median Home Value Trend
Rankings →Household Type
Education
In Grainger County, 15.9% of adults age 25+ hold a bachelor's degree or higher, which is 52.7% below the national average, ranking #2,680 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Grainger County is 71.3 years. 26.2% of adults report poor or fair health and 11.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
25.7% of adults in Grainger County smoke , 38.0% are obese , and 17.3% report excessive drinking. The drug overdose death rate is 64.2 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Grainger County is 6.7 per 100,000 and the suicide rate is 19.9 per 100,000. Motor vehicle deaths occur at a rate of 30.4 per 100,000.
Suicide Rate Trend
Families & Children
21.7% of children in Grainger County live in poverty . The teen birth rate is 30.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Grainger County is 55.8%. The mean commute time is 35.8 min, which is 29.6% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Grainger County voted Republican with a margin of 73.6%. The vote was 12.9% Dem / 86.5% Rep. Compared to 2020, the margin shifted 3.6 toward Republicans .
Vote Share Over Time
About Grainger County, Tennessee
Grainger County, Tennessee has a total population of 24,266, making it the 1,690th most populous county in the United States. The median age in Grainger County is 47.4 years, which is 21.9% above the national median of 38.9 years.
The median household income in Grainger County is $50,538, which ranks #2,744 of 3,222 counties nationwide. This is 32.7% below the national median of $75,149. The poverty rate is 17.1%, higher than the national rate of 12.6%. The unemployment rate stands at 4.7%.
The median home value in Grainger County is $189,200, 32.9% below the national median. Renters in Grainger County pay a median gross rent of $746 per month. The homeownership rate is 77.1%, compared to the national rate of 64.4%.
In Grainger County, 15.9% of residents aged 25 and older hold a bachelor's degree or higher, 52.7% below the national average of 33.7%. Health insurance coverage stands at 91.5% of the population. The average commute time for workers is 35.8 min.
Grainger County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 93.3% of the population, followed by Hispanic or Latino (3.6%) and Two or More Races (1.1%).
All data for Grainger 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.