Grundy County, Missouri
Located in Missouri, Grundy County has a population of 9,787 residents and a median age of 40.6 years, making it the #2,499 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 17.6%. The median home value is $112,500, and the median household income is $51,975, which is 31% below the national median.
Demographics
Grundy County has a population of 9,787, making it the #2,499 most populous county in the US. The median age is 40.6 years, which is 4.4% 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 $51,975, ranking #2,659 out of 3,222 counties — 30.8% below the national median. The poverty rate is 17.6% and unemployment stands at 3.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Grundy County is $112,500 (-60.1% vs national). Renters pay a median of $696/mo and the homeownership rate is 69.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Grundy County, 16.7% of adults age 25+ hold a bachelor's degree or higher, which is 50.5% below the national average, ranking #2,554 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Grundy County is 74.1 years. 20.8% of adults report poor or fair health and 14.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
22.2% of adults in Grundy County smoke , 39.7% are obese , and 20.6% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 31.8 per 100,000. Motor vehicle deaths occur at a rate of 23.2 per 100,000.
Suicide Rate Trend
Families & Children
21.4% of children in Grundy County live in poverty . The teen birth rate is 28.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Grundy County is 60.8%. The mean commute time is 20.1 min, which is 27.3% below 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 63.6%. The vote was 17.8% Dem / 81.4% Rep. Compared to 2020, the margin shifted 0.8 toward Republicans .
Vote Share Over Time
About Grundy County, Missouri
Grundy County, Missouri has a total population of 9,787, making it the 2,499th most populous county in the United States. The median age in Grundy County is 40.6 years, which is 4.4% above the national median of 38.9 years.
The median household income in Grundy County is $51,975, which ranks #2,659 of 3,222 counties nationwide. This is 30.8% below the national median of $75,149. The poverty rate is 17.6%, higher than the national rate of 12.6%. The unemployment rate stands at 3.2%.
The median home value in Grundy County is $112,500, 60.1% below the national median. Renters in Grundy County pay a median gross rent of $696 per month. The homeownership rate is 69.7%, compared to the national rate of 64.4%.
In Grundy County, 16.7% of residents aged 25 and older hold a bachelor's degree or higher, 50.5% below the national average of 33.7%. Health insurance coverage stands at 83.8% of the population. The average commute time for workers is 20.1 min.
Grundy County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 92.1% of the population, followed by Two or More Races (3.4%) and Hispanic or Latino (2.8%).
All data for Grundy County, Missouri 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.