Jefferson County, Texas
Located in Texas, Jefferson County has a population of 253,878 residents and a median age of 37.0 years, making it the #283 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 19.5%. The median home value is $169,500, and the median household income is $60,026, which is 20% below the national median.
Demographics
Jefferson County has a population of 253,878, making it the #283 most populous county in the US. The median age is 37.0 years, which is 4.9% 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 Jefferson County is $60,026, ranking #2,081 out of 3,222 counties — 20.1% below the national median. The poverty rate is 19.5% and unemployment stands at 6.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Jefferson County is $169,500 (-39.9% vs national). Renters pay a median of $1,117/mo and the homeownership rate is 62.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Jefferson County, 19.7% of adults age 25+ hold a bachelor's degree or higher, which is 41.4% below the national average, ranking #2,044 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Jefferson County is 73.4 years. 24.4% of adults report poor or fair health and 20.5% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
18.8% of adults in Jefferson County smoke , 38.1% are obese , and 19.5% report excessive drinking. The drug overdose death rate is 26.0 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Jefferson County is 12.9 per 100,000 and the suicide rate is 14.3 per 100,000. Motor vehicle deaths occur at a rate of 17.4 per 100,000.
Homicide Rate Trend
Families & Children
23.6% of children in Jefferson County live in poverty and the infant mortality rate is 8.8 per 1,000 live births. The teen birth rate is 31.8 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Jefferson County is 54.5%. The mean commute time is 23.7 min, which is 14.3% below 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 8.9%. The vote was 45.1% Dem / 54% Rep. Compared to 2020, the margin shifted 7.3 toward Republicans .
Vote Share Over Time
About Jefferson County, Texas
Jefferson County, Texas has a total population of 253,878, making it the 283rd most populous county in the United States. The median age in Jefferson County is 37.0 years, which is 4.9% below the national median of 38.9 years.
The median household income in Jefferson County is $60,026, which ranks #2,081 of 3,222 counties nationwide. This is 20.1% below the national median of $75,149. The poverty rate is 19.5%, higher than the national rate of 12.6%. The unemployment rate stands at 6.3%.
The median home value in Jefferson County is $169,500, 39.9% below the national median. Renters in Jefferson County pay a median gross rent of $1,117 per month. The homeownership rate is 62.5%, compared to the national rate of 64.4%.
In Jefferson County, 19.7% of residents aged 25 and older hold a bachelor's degree or higher, 41.4% below the national average of 33.7%. Health insurance coverage stands at 79.4% of the population. The average commute time for workers is 23.7 min.
Jefferson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 36.3% of the population, followed by Black (non-Hispanic) (32.7%) and Hispanic or Latino (24.1%).
All data for Jefferson County, Texas 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.