Jefferson County, Oklahoma
Located in Oklahoma, Jefferson County has a population of 5,380 residents and a median age of 41.8 years, making it the #2,861 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 23.1%. The median home value is $82,500, and the median household income is $48,668, which is 35% below the national median.
Demographics
Jefferson County has a population of 5,380, making it the #2,861 most populous county in the US. The median age is 41.8 years, which is 7.5% 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 Jefferson County is $48,668, ranking #2,847 out of 3,222 counties — 35.2% below the national median. The poverty rate is 23.1% and unemployment stands at 5.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Jefferson County is $82,500 (-70.7% vs national). Renters pay a median of $647/mo and the homeownership rate is 70.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Jefferson County, 16.0% of adults age 25+ hold a bachelor's degree or higher, which is 52.4% below the national average, ranking #2,663 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Jefferson County is 71.5 years. 24.8% of adults report poor or fair health and 15.0% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
20.7% of adults in Jefferson County smoke , 45.2% are obese , and 15.3% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 27.3 per 100,000.
Families & Children
35.2% of children in Jefferson County live in poverty . The teen birth rate is 37.6 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Jefferson County is 52.8%. The mean commute time is 28.4 min, which is 3.0% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Jefferson County voted Republican with a margin of 71.7%. The vote was 13.4% Dem / 85.1% Rep. Compared to 2020, the margin shifted 0.2 toward Republicans .
Vote Share Over Time
About Jefferson County, Oklahoma
Jefferson County, Oklahoma has a total population of 5,380, making it the 2,861st most populous county in the United States. The median age in Jefferson County is 41.8 years, which is 7.5% above the national median of 38.9 years.
The median household income in Jefferson County is $48,668, which ranks #2,847 of 3,222 counties nationwide. This is 35.2% below the national median of $75,149. The poverty rate is 23.1%, higher than the national rate of 12.6%. The unemployment rate stands at 5.2%.
The median home value in Jefferson County is $82,500, 70.7% below the national median. Renters in Jefferson County pay a median gross rent of $647 per month. The homeownership rate is 70.9%, compared to the national rate of 64.4%.
In Jefferson County, 16.0% of residents aged 25 and older hold a bachelor's degree or higher, 52.4% below the national average of 33.7%. Health insurance coverage stands at 86.0% of the population. The average commute time for workers is 28.4 min.
Jefferson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 75.7% of the population, followed by Hispanic or Latino (10.9%) and Two or More Races (8.3%).
All data for Jefferson 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.