Grundy County, Tennessee
Located in Tennessee, Grundy County has a population of 13,819 residents and a median age of 42.7 years, making it the #2,239 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 18.9%. The median home value is $154,000, and the median household income is $47,593, which is 37% below the national median.
Demographics
Grundy County has a population of 13,819, making it the #2,239 most populous county in the US. The median age is 42.7 years, which is 9.8% 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 Grundy County is $47,593, ranking #2,885 out of 3,222 counties — 36.7% below the national median. The poverty rate is 18.9% and unemployment stands at 9.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Grundy County is $154,000 (-45.4% vs national). Renters pay a median of $636/mo and the homeownership rate is 83.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Grundy County, 14.3% of adults age 25+ hold a bachelor's degree or higher, which is 57.6% below the national average, ranking #2,907 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Grundy County is 69.7 years. 22.6% of adults report poor or fair health and 13.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
23.0% of adults in Grundy County smoke , 37.6% are obese , and 17.2% report excessive drinking. The drug overdose death rate is 61.1 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Grundy County is 13.8 per 100,000 and the suicide rate is 23.0 per 100,000. Motor vehicle deaths occur at a rate of 28.6 per 100,000.
Homicide Rate Trend
Families & Children
26.9% of children in Grundy County live in poverty . The teen birth rate is 46.3 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Grundy County is 56.4%. The mean commute time is 38.3 min, which is 38.9% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Grundy County voted Republican with a margin of 69.3%. The vote was 15% Dem / 84.3% Rep. Compared to 2020, the margin shifted 4.2 toward Republicans .
Vote Share Over Time
About Grundy County, Tennessee
Grundy County, Tennessee has a total population of 13,819, making it the 2,239th most populous county in the United States. The median age in Grundy County is 42.7 years, which is 9.8% above the national median of 38.9 years.
The median household income in Grundy County is $47,593, which ranks #2,885 of 3,222 counties nationwide. This is 36.7% below the national median of $75,149. The poverty rate is 18.9%, higher than the national rate of 12.6%. The unemployment rate stands at 9.0%.
The median home value in Grundy County is $154,000, 45.4% below the national median. Renters in Grundy County pay a median gross rent of $636 per month. The homeownership rate is 83.7%, compared to the national rate of 64.4%.
In Grundy County, 14.3% of residents aged 25 and older hold a bachelor's degree or higher, 57.6% below the national average of 33.7%. Health insurance coverage stands at 86.7% of the population. The average commute time for workers is 38.3 min.
Grundy County is a community. The largest racial or ethnic group is White (non-Hispanic) at 93.8% of the population, followed by Two or More Races (4.5%).
All data for Grundy 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.