Knox County, Texas
Located in Texas, Knox County has a population of 3,307 residents and a median age of 41.2 years, making it the #3,017 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 15.7%. The median home value is $77,300, and the median household income is $56,667, which is 25% below the national median.
Demographics
Knox County has a population of 3,307, making it the #3,017 most populous county in the US. The median age is 41.2 years, which is 5.9% 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 Knox County is $56,667, ranking #2,363 out of 3,222 counties — 24.6% below the national median. The poverty rate is 15.7% and unemployment stands at 1.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Knox County is $77,300 (-72.6% vs national). Renters pay a median of $521/mo and the homeownership rate is 77.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Knox County, 13.5% of adults age 25+ hold a bachelor's degree or higher, which is 59.9% below the national average, ranking #2,985 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Knox County is 71.0 years. 23.4% of adults report poor or fair health and 20.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.2% of adults in Knox County smoke , 39.9% are obese , and 19.6% report excessive drinking.
Adult Smoking Trend
Safety
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Families & Children
32.0% of children in Knox County live in poverty . The teen birth rate is 28.9 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Knox County is 57.5%. The mean commute time is 17.6 min, which is 36.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Knox County voted Republican with a margin of 68.4%. The vote was 15.6% Dem / 84% Rep. Compared to 2020, the margin shifted 5.6 toward Republicans .
Vote Share Over Time
About Knox County, Texas
Knox County, Texas has a total population of 3,307, making it the 3,017th most populous county in the United States. The median age in Knox County is 41.2 years, which is 5.9% above the national median of 38.9 years.
The median household income in Knox County is $56,667, which ranks #2,363 of 3,222 counties nationwide. This is 24.6% below the national median of $75,149. The poverty rate is 15.7%, higher than the national rate of 12.6%. The unemployment rate stands at 1.3%.
The median home value in Knox County is $77,300, 72.6% below the national median. Renters in Knox County pay a median gross rent of $521 per month. The homeownership rate is 77.4%, compared to the national rate of 64.4%.
In Knox County, 13.5% of residents aged 25 and older hold a bachelor's degree or higher, 59.9% below the national average of 33.7%. Health insurance coverage stands at 82.3% of the population. The average commute time for workers is 17.6 min.
Knox County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 57.0% of the population, followed by Hispanic or Latino (33.5%) and Two or More Races (5.1%).
All data for Knox 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.