Blair County, PA ZIP codes
There are 16 ZIP codes in Blair County, PA, in 14 towns, from 16601 to 16693. The largest are 16601 (Altoona), 16602 (Altoona) and 16648 (Hollidaysburg).
The county seat is Hollidaysburg.
- ZIP codes
- 16
- Towns
- 14
- County seat
- Hollidaysburg
- County FIPS
42013- State
- Pennsylvania
- Population
- 121,277
- Median household income
- $62,382
- Land area
- 525 sq mi
- Metro area
- Altoona
Blair County ZIP codes by town
- Hollidaysburg (county seat)
- 16648
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Blair County ZIP codes
The ZIP codes of Blair County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Blair County in numbers
About 121,277 people live in Blair County, in 50,558 households, the 28th most populous of Pennsylvania's 67 counties. The median household income is $62,382 a year, 20% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $161,100 (37% below the Pennsylvania median), and median gross rent is $885 a month. The median age is 43.1; 24.4% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 21 minutes.
| Population | 121,277 |
|---|---|
| Households | 50,558 |
| Median age | 43.1 |
| Median household income | $62,382 |
| Median home value | $161,100 |
| Median gross rent | $885 |
| Bachelor's degree or higher | 24.4% |
| Mean commute | 20.5 min |
| Population density | 231 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Blair County
| Town | ZIP codes | Population |
|---|---|---|
| Altoona | 3 | 43,196 |
| Hollidaysburg | 1 | 5,558 |
| Tyrone | 1 | 5,377 |
| Roaring Spring | 1 | 2,335 |
| Martinsburg | 1 | 1,741 |
| Bellwood | 1 | 1,691 |
| Claysburg | 1 | 1,244 |
| Duncansville | 1 | 1,147 |
| Williamsburg | 1 | 1,073 |
| Tipton | 1 | 730 |
| East Freedom | 1 | 597 |
| Sproul | 1 | 393 |
| Newry | 1 | 157 |
| Curryville | 1 | 66 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Blair County.
Not sure you are in Blair County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Blair County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
16601 | Altoona , PA | Standard | 33,515 | $58,070 | $147,200 |
16602 | Altoona , PA | Standard | 26,352 | $55,046 | $125,700 |
16603 | Altoona , PA | No street area | — | — | — |
16617 | Bellwood , PA | Standard | 2,392 | $52,609 | $145,500 |
16625 | Claysburg , PA | Standard | 3,147 | $55,274 | $164,300 |
16631 | Curryville , PA | Standard | 57 | — | $237,500 |
16635 | Duncansville , PA | Standard | 12,003 | $69,760 | $192,100 |
16637 | East Freedom , PA | Standard | 2,345 | $56,083 | $120,400 |
16648 | Hollidaysburg , PA | Standard | 14,904 | $81,540 | $219,500 |
16662 | Martinsburg , PA | Standard | 6,069 | $73,828 | $221,400 |
16665 | Newry , PA | Standard | 253 | $66,250 | $266,700 |
16673 | Roaring Spring , PA | Standard | 5,204 | $70,464 | $159,500 |
16682 | Sproul , PA | Standard | 402 | $75,121 | — |
16684 | Tipton , PA | Standard | 108 | $34,107 | — |
16686 | Tyrone , PA | Standard | 13,427 | $69,008 | $173,000 |
16693 | Williamsburg , PA | Standard | 3,795 | $62,898 | $154,400 |
Cite this page
zipcodes.pro. “Blair County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/pa/county/blair
Underlying data is public domain or openly licensed — sources, vintages and licences.