Lamar County, Mississippi
Located in Mississippi, Lamar County has a population of 65,713 residents and a median age of 37.7 years, making it the #835 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 14.7%. The median home value is $224,700, and the median household income is $70,909, which is 6% below the national median.
Demographics
Lamar County has a population of 65,713, making it the #835 most populous county in the US. The median age is 37.7 years, which is 3.1% below 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 Lamar County is $70,909, ranking #1,132 out of 3,222 counties — 5.6% below the national median. The poverty rate is 14.7% and unemployment stands at 4.8%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Lamar County is $224,700 (-20.3% vs national). Renters pay a median of $1,126/mo and the homeownership rate is 69.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Lamar County, 34.5% of adults age 25+ hold a bachelor's degree or higher, which is 2.4% above the national average, ranking #487 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Lamar County is 77.2 years. 19.3% of adults report poor or fair health and 13.1% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.0% of adults in Lamar County smoke , 39.5% are obese , and 18.1% report excessive drinking. The drug overdose death rate is 25.6 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Lamar County is 6.1 per 100,000 and the suicide rate is 13.3 per 100,000. Motor vehicle deaths occur at a rate of 17.1 per 100,000.
Homicide Rate Trend
Families & Children
15.0% of children in Lamar County live in poverty and the infant mortality rate is 5.7 per 1,000 live births. The teen birth rate is 19.9 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Lamar County is 61.4%. The mean commute time is 27.5 min, which is 0.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Lamar County voted Republican with a margin of 48.7%. The vote was 25% Dem / 73.7% Rep. Compared to 2020, the margin shifted 1.8 toward Republicans .
Vote Share Over Time
About Lamar County, Mississippi
Lamar County, Mississippi has a total population of 65,713, making it the 835th most populous county in the United States. The median age in Lamar County is 37.7 years, which is 3.1% below the national median of 38.9 years.
The median household income in Lamar County is $70,909, which ranks #1,132 of 3,222 counties nationwide. This is 5.6% below the national median of $75,149. The poverty rate is 14.7%, higher than the national rate of 12.6%. The unemployment rate stands at 4.8%.
The median home value in Lamar County is $224,700, 20.3% below the national median. Renters in Lamar County pay a median gross rent of $1,126 per month. The homeownership rate is 69.5%, compared to the national rate of 64.4%.
In Lamar County, 34.5% of residents aged 25 and older hold a bachelor's degree or higher, 2.4% above the national average of 33.7%. Health insurance coverage stands at 88.9% of the population. The average commute time for workers is 27.5 min.
Lamar County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 70.6% of the population, followed by Black (non-Hispanic) (21.7%) and Hispanic or Latino (3.7%).
All data for Lamar County, Mississippi 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.