Marshall County, Oklahoma
Located in Oklahoma, Marshall County has a population of 15,792 residents and a median age of 41.6 years, making it the #2,111 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 16.1%. The median home value is $164,500, and the median household income is $57,245, which is 24% below the national median.
Demographics
Marshall County has a population of 15,792, making it the #2,111 most populous county in the US. The median age is 41.6 years, which is 6.9% 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 Marshall County is $57,245, ranking #2,313 out of 3,222 counties — 23.8% below the national median. The poverty rate is 16.1% and unemployment stands at 4.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Marshall County is $164,500 (-41.6% vs national). Renters pay a median of $824/mo and the homeownership rate is 77.6%.
Median Home Value Trend
Rankings →Household Type
Education
In Marshall County, 18.2% of adults age 25+ hold a bachelor's degree or higher, which is 46.1% below the national average, ranking #2,334 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Marshall County is 73.3 years. 25.5% of adults report poor or fair health and 18.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
21.1% of adults in Marshall County smoke , 43.7% are obese , and 15.2% report excessive drinking. The drug overdose death rate is 26.8 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 27.2 per 100,000. Motor vehicle deaths occur at a rate of 25.2 per 100,000.
Suicide Rate Trend
Families & Children
19.4% of children in Marshall County live in poverty . The teen birth rate is 37.2 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Marshall County is 50.6%. The mean commute time is 27.6 min, which is 0.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Marshall County voted Republican with a margin of 63.5%. The vote was 17.7% Dem / 81.2% Rep. Compared to 2020, the margin shifted 0.9 toward Republicans .
Vote Share Over Time
About Marshall County, Oklahoma
Marshall County, Oklahoma has a total population of 15,792, making it the 2,111th most populous county in the United States. The median age in Marshall County is 41.6 years, which is 6.9% above the national median of 38.9 years.
The median household income in Marshall County is $57,245, which ranks #2,313 of 3,222 counties nationwide. This is 23.8% below the national median of $75,149. The poverty rate is 16.1%, higher than the national rate of 12.6%. The unemployment rate stands at 4.7%.
The median home value in Marshall County is $164,500, 41.6% below the national median. Renters in Marshall County pay a median gross rent of $824 per month. The homeownership rate is 77.6%, compared to the national rate of 64.4%.
In Marshall County, 18.2% of residents aged 25 and older hold a bachelor's degree or higher, 46.1% below the national average of 33.7%. Health insurance coverage stands at 81.9% of the population. The average commute time for workers is 27.6 min.
Marshall County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 63.0% of the population, followed by Hispanic or Latino (18.1%) and Two or More Races (10.9%).
All data for Marshall County, Oklahoma 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.