There are 15 zip codes in Blair County, Pennsylvania. The most populated is 16601, located in Altoona. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1660133,169Altoona
1660227,813Altoona
1664814,547Hollidaysburg
1668613,054Tyrone
1663512,231Duncansville
166625,654Martinsburg
166735,176Roaring Spring
166934,112Williamsburg
166253,688Claysburg
166172,615Bellwood
166372,418East Freedom
16665378Newry
16682216Sproul
1668471Tipton
1663138Curryville

Zip Codes in Blair County, Pennsylvania by Population (2024)