There are 11 zip codes in Mifflin County, Pennsylvania. The most populated is 17044, located in Lewistown. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1704420,207Lewistown
170045,376Belleville
178414,852McClure
170514,772McVeytown
170844,699Reedsville
170633,273Milroy
170091,652Burnham
170991,220Yeagertown
17054286Mattawana
17029266Granville
17075151Newton Hamilton

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