Blair County, Pennsylvania Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 28th-largest in Pennsylvania
The population of Blair County, Pennsylvania is 121,854 as of the 2023 American Community Survey, making it the 28th-largest county in Pennsylvania. The median household income is $60,594, the median home value is $156,700, and the median age is 42.9.
The population of Blair County has declined 5.3% since 2010 (127,049 → 120,269), a -0.39% annualized rate.
121,854
Population
-0.39%
Annual growth
232
People / sq mi
$60,594
Median Income
$156,700
Median Home Value
Blair County covers 525 sq mi of land at 232.1 people per square mile.
About Blair County, PA
Blair County is a county in Pennsylvania with a population of 121,854. It ranks #28 among counties in Pennsylvania by population. The median age is 42.9, older than the national median. The population is 49.4% male and 50.6% female.
The median household income in Blair County is $60,594, below the US median of $74,580. 8.5% of residents live below the federal poverty level. Home values sit at a median of $156,700, with monthly rent averaging $854. The homeownership rate of 72.4% is higher than the national rate of 64.8%.
Educational attainment in Blair County reflects 24.1% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.9% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 20.9 minutes each way.
Blair County Population History (2010-2024)
The county of Blair County had a population of 127,049 in 2010 and 120,269 in 2024, a -5.3% growth over 14 years. The peak was 127,049 in 2010. Average annual growth rate: -0.39%.
120,269
Population (2024)
127,049
Population (2010)
127,049
Peak (2010)
-0.39%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 127,049 |
| 2011 | 126,990 |
| 2012 | 126,569 |
| 2013 | 125,869 |
| 2014 | 125,309 |
| 2015 | 124,637 |
| 2016 | 123,779 |
| 2017 | 123,173 |
| 2018 | 122,567 |
| 2019 | 121,942 |
| 2020 | 122,664 |
| 2021 | 122,160 |
| 2022 | 120,796 |
| 2023 | 120,494 |
| 2024 | 120,269 |
Race & Ethnicity
| White | 93.3% |
| Black or African American | 1.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.0% |
Age & Sex
42.9
Median Age
50.6%
Female
49.4%
Male
21.2%
Age 65+
Age Distribution
Children (under 15): 16.7% · Seniors (65+): 21.2%
Income & Poverty
| Median household income | $60,594$-15,487 vs state |
| Mean household income | $80,522 |
| Per-capita income | $34,593 |
| Poverty rate | 8.5%+0.4% vs state |
| Unemployment rate | 2.6% |
| Employment-to-population | 56.4% |
Top Industries by Employment
The largest employment sector in Blair County is professional & business services, accounting for 27.2% of workers.
How residents commute
0.6%
Drive alone
3.4%
Carpool
80.9%
Public transit
5.9%
Work from home
20.9 min
Avg commute
Housing
$156,700$-83,800 vs state
Median home value
$854
Median rent
72.4%
Homeownership rate
55,788
Total housing units
90.6%
Occupied
9.4%
Vacant
27.6%
Renter-occupied
Social & access
94.2%
With health insurance
89.0%
With broadband internet
10.9%
Foreign-born
8.7%
Veterans (18+)
15.9%
With a disability
96.9%
Speak language other than English at home
Education
93.2%
High School+
24.1%
Bachelor's+
Largest cities in Pennsylvania
Other counties in Pennsylvania
Part of Pennsylvania
Metro areas in Pennsylvania
County rankings
Frequently Asked Questions
Blair County, Pennsylvania has a population of 121,854 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 28th-largest county in Pennsylvania. Population density is 232 people per square mile.
The population of Blair County has declined 5.3% since 2010 (127,049 → 120,269), a -0.39% annualized rate.
The median household income in Blair County, Pennsylvania is $60,594, with mean (average) household income of $80,522 and per-capita income of $34,593. 8.5% of residents live below the federal poverty level.
In Blair County, the largest racial and ethnic groups are White (93.3%), Black or African American (1.8%), Hispanic or Latino (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Blair County, Pennsylvania is 42.9 years. Residents are 50.6% female and 49.4% male.
The median home value in Blair County is $156,700 and median monthly rent is $854. 72.4% of occupied housing units are owner-occupied. The county has 55,788 total housing units, 9.4% of which are vacant.
The largest employment sector in Blair County, Pennsylvania is professional, scientific, and management services, employing 27.2% of workers. The unemployment rate is 2.6%.
Philadelphia is among the largest cities associated with Blair County, Pennsylvania, with a population of 1,582,432.
More from Pennsylvania
Population 1,582,432
Population 1,240,476
Population 861,225
Population 645,993
Full rankings of Pennsylvania counties
Statewide data for Pennsylvania
Population, race, income, age, and trends across Pennsylvania
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.