Lafayette County, Missouri
Located in Missouri, Lafayette County has a population of 33,115 residents and a median age of 40.9 years, making it the #1,391 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.3%. The median home value is $216,500, and the median household income is $80,612, which is 7% above the national median.
Demographics
Lafayette County has a population of 33,115, making it the #1,391 most populous county in the US. The median age is 40.9 years, which is 5.1% 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 Lafayette County is $80,612, ranking #559 out of 3,222 counties — 7.3% above the national median. The poverty rate is 9.3% and unemployment stands at 3.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Lafayette County is $216,500 (-23.2% vs national). Renters pay a median of $928/mo and the homeownership rate is 75.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Lafayette County, 26.2% of adults age 25+ hold a bachelor's degree or higher, which is 22.2% below the national average, ranking #1,083 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Lafayette County is 74.9 years. 19.0% of adults report poor or fair health and 11.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
20.6% of adults in Lafayette County smoke , 38.9% are obese , and 20.4% report excessive drinking. The drug overdose death rate is 19.2 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 23.8 per 100,000. Motor vehicle deaths occur at a rate of 21.4 per 100,000.
Suicide Rate Trend
Families & Children
13.8% of children in Lafayette County live in poverty and the infant mortality rate is 8.2 per 1,000 live births. The teen birth rate is 23.8 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Lafayette County is 67.9%. The mean commute time is 27.7 min, which is 0.5% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Lafayette County voted Republican with a margin of 48.9%. The vote was 24.9% Dem / 73.8% Rep. Compared to 2020, the margin shifted 3.1 toward Republicans .
Vote Share Over Time
About Lafayette County, Missouri
Lafayette County, Missouri has a total population of 33,115, making it the 1,391st most populous county in the United States. The median age in Lafayette County is 40.9 years, which is 5.1% above the national median of 38.9 years.
The median household income in Lafayette County is $80,612, which ranks #559 of 3,222 counties nationwide. This is 7.3% above the national median of $75,149. The poverty rate is 9.3%, lower than the national rate of 12.6%. The unemployment rate stands at 3.0%.
The median home value in Lafayette County is $216,500, 23.2% below the national median. Renters in Lafayette County pay a median gross rent of $928 per month. The homeownership rate is 75.7%, compared to the national rate of 64.4%.
In Lafayette County, 26.2% of residents aged 25 and older hold a bachelor's degree or higher, 22.2% below the national average of 33.7%. Health insurance coverage stands at 91.8% of the population. The average commute time for workers is 27.7 min.
Lafayette County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 89.7% of the population, followed by Two or More Races (4.0%) and Hispanic or Latino (3.5%).
All data for Lafayette 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.