Blair County, Pennsylvania
Located in Pennsylvania, Blair County has a population of 121,277 residents and a median age of 43.1 years, making it the #532 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.0%. The median home value is $161,100, and the median household income is $62,382, which is 17% below the national median.
Demographics
Blair County has a population of 121,277, making it the #532 most populous county in the US. The median age is 43.1 years, which is 10.8% 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 Blair County is $62,382, ranking #1,859 out of 3,222 counties — 17.0% below the national median. The poverty rate is 12.0% and unemployment stands at 4.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Blair County is $161,100 (-42.9% vs national). Renters pay a median of $885/mo and the homeownership rate is 72.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Blair County, 24.4% of adults age 25+ hold a bachelor's degree or higher, which is 27.6% below the national average, ranking #1,305 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Blair County is 74.7 years. 20.0% of adults report poor or fair health and 6.3% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
20.1% of adults in Blair County smoke , 36.2% are obese , and 20.8% report excessive drinking. The drug overdose death rate is 41.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Blair County is 2.0 per 100,000 and the suicide rate is 17.3 per 100,000. Motor vehicle deaths occur at a rate of 11.7 per 100,000.
Homicide Rate Trend
Families & Children
18.0% of children in Blair County live in poverty and the infant mortality rate is 5.8 per 1,000 live births. The teen birth rate is 16.3 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Blair County is 65.6%. The mean commute time is 22.3 min, which is 19.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Blair County voted Republican with a margin of 43.5%. The vote was 27.9% Dem / 71.4% Rep. Compared to 2020, the margin shifted 0.0 toward Republicans .
Vote Share Over Time
About Blair County, Pennsylvania
Blair County, Pennsylvania has a total population of 121,277, making it the 532nd most populous county in the United States. The median age in Blair County is 43.1 years, which is 10.8% above the national median of 38.9 years.
The median household income in Blair County is $62,382, which ranks #1,859 of 3,222 counties nationwide. This is 17.0% below the national median of $75,149. The poverty rate is 12.0%, lower than the national rate of 12.6%. The unemployment rate stands at 4.4%.
The median home value in Blair County is $161,100, 42.9% below the national median. Renters in Blair County pay a median gross rent of $885 per month. The homeownership rate is 72.4%, compared to the national rate of 64.4%.
In Blair County, 24.4% of residents aged 25 and older hold a bachelor's degree or higher, 27.6% below the national average of 33.7%. Health insurance coverage stands at 94.2% of the population. The average commute time for workers is 22.3 min.
Blair County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 91.6% of the population, followed by Two or More Races (4.0%) and Black (non-Hispanic) (1.9%).
All data for Blair County, Pennsylvania 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.