Mifflin County, Pennsylvania

Mifflin County
former Mifflin County Courthouse
former Mifflin County Courthouse
Official seal of Mifflin County
Map of Pennsylvania highlighting Mifflin County
Location within the U.S. state of Pennsylvania
Map of the United States highlighting Pennsylvania
Pennsylvania's location within the U.S.
Coordinates: 40°37′N 77°37′W / 40.61°N 77.62°W / 40.61; -77.62
Country United States
State Pennsylvania
FoundedSeptember 19, 1789
Named forThomas Mifflin
SeatLewistown
Largest boroughLewistown
Area
 • Total
415 sq mi (1,070 km2)
 • Land411 sq mi (1,060 km2)
 • Water3.7 sq mi (10 km2)  0.9%
Population
 (2020)
 • Total
46,143
 • Density110/sq mi (43/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district13th
Websitewww.co.mifflin.pa.us

Mifflin County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 46,143.[1] Its county seat is Lewistown.[2][1] The county was created on September 19, 1789, from parts of Cumberland County and Northumberland County. It was named for Thomas Mifflin, the first Governor of Pennsylvania. Mifflin County comprises the Lewistown, PA Micropolitan Statistical Area. The county is part of the Central Pennsylvania region of the state.[a]

  1. ^ a b "QuickFacts: Mifflin County, Pennsylvania". Census.gov. Retrieved May 29, 2022.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.


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