Blair County, Pennsylvania

Blair County, Pennsylvania, has 119,541 residents (July 2025 estimate). Its county seat is Hollidaysburg. It uses Eastern Time and covers 525 sq mi (1,360 km²) of land.

PhiladelphiaPittsburghAllentown
Blair County in Pennsylvania
Cambria CountyHuntingdon CountyAltoonaHollidaysburgTyroneGreenwood
Blair County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
119,541
Land area
525 sq mi (1,360 km²)
County seat or government
Hollidaysburg
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$62,382 ± $1,699
Median home value
$161,100 ± $3,077
Median rent, with utilities
$885 ± $33
Homes lived in by their owners
72.4% ± 1.1 points
County type
County
Metro or micro area
Altoona, PA metro areaCentral county
Water area
1.27 sq mi (3.29 km²)
State
Pennsylvania
County code (FIPS)
42013
Coordinates (central point)
40.498683, -78.309597

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Blair County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 1660133,515 people
  2. 1660226,352 people
  3. 1664814,904 people
  4. 1668613,427 people
  5. 1663512,003 people
  6. 159466,561 people
  7. 166626,069 people
  8. 166735,204 people
  9. 166933,795 people
  10. 166253,147 people
  11. 166172,392 people
  12. 166412,348 people
All 20
  1. 166372,345 people
  2. 166131,647 people
  3. 166551,427 people
  4. 16636808 people
  5. 16682402 people
  6. 16665253 people
  7. 16684108 people
  8. 1663157 people

20 ZIP Code areas overlap Blair County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Blair County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Blair County, largest first

  1. Logan Township12,318 people
  2. Frankstown Township7,395 people
  3. Allegheny Township6,597 people
  4. Antis Township6,412 people
  5. Blair Township4,726 people
  6. Greenfield Township3,736 people
  7. Snyder Township3,316 people
  8. Freedom Township2,968 people
  9. North Woodbury Township2,490 people
  10. Taylor Township2,452 people
  11. Tyrone Township1,937 people
  12. Woodbury Township1,643 people
All 15
  1. Huston Township1,362 people
  2. Juniata Township926 people
  3. Catharine Township625 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Pennsylvania, by county

School districts in Blair County, largest first

  1. Altoona Area School District56,459 people
  2. Hollidaysburg Area School District26,506 people
  3. Penn Cambria School District15,183 people
  4. Spring Cove School District13,348 people
  5. Tyrone Area School District12,634 people
  6. Bellwood-Antis School District8,103 people
  7. Claysburg-Kimmel School District5,149 people
  8. Williamsburg Community School District3,341 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Altoona, Pennsylvania (city)43,196 people
  2. Hollidaysburg, Pennsylvania (borough)5,558 people
  3. Tyrone, Pennsylvania (borough)5,377 people
  4. Greenwood, Pennsylvania (CDP)2,853 people
  5. Penn Farms, Pennsylvania (CDP)2,508 people
  6. Roaring Spring, Pennsylvania (borough)2,335 people
  7. Loop, Pennsylvania (CDP)2,039 people
  8. Martinsburg, Pennsylvania (borough)1,741 people
  9. Bellwood, Pennsylvania (borough)1,691 people
  10. Lakemont, Pennsylvania (CDP)1,644 people
  11. Claysburg, Pennsylvania (CDP)1,244 people
  12. Duncansville, Pennsylvania (borough)1,147 people
All 94
  1. Williamsburg, Pennsylvania (borough)1,073 people
  2. Tipton, Pennsylvania (CDP)730 people
  3. Juniata Gap, Pennsylvania (CDP)691 people
  4. East Freedom, Pennsylvania (CDP)597 people
  5. Sylvan Hills, Pennsylvania (CDP)578 people
  6. Grazierville, Pennsylvania (CDP)511 people
  7. Eldorado, Pennsylvania (CDP)476 people
  8. Foot of Ten, Pennsylvania (CDP)466 people
  9. Sunbrook, Pennsylvania (CDP)440 people
  10. Cross Keys, Pennsylvania (CDP)420 people
  11. Sproul, Pennsylvania (CDP)393 people
  12. Olivia, Pennsylvania (CDP)387 people
  13. Pinecroft, Pennsylvania (CDP)350 people
  14. Homewood at Martinsburg, Pennsylvania (CDP)332 people
  15. East Altoona, Pennsylvania (CDP)324 people
  16. Newburg, Pennsylvania (CDP)306 people
  17. Roots, Pennsylvania (CDP)287 people
  18. Tunnelhill, Pennsylvania (borough)278 people

See all 94 cities, towns and communities in Blair County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Huntingdon County, Pennsylvania19 mi east
  2. Cambria County, Pennsylvania21 mi west
  3. Bedford County, Pennsylvania36 mi south
  4. Clearfield County, Pennsylvania36 mi north
  5. Centre County, Pennsylvania37 mi northeast

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.