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Welcome to Jefferson County ...

Time Zone: Jefferson County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Brookville is the Seat for Jefferson County.

Jefferson County was founded March 26, 1804 and was created by taking area from Lycoming County.

From the Census Estimates for 2019, <1> Jefferson had a population of 43,425 people. This is a decrease of 3.85% since the last Census (which gave a population of 45,163 people in 2010).

At the time of the 2010 Census, Jefferson represented 0.36% of the total population of Pennsylvania.

Below are some of the communities located in Jefferson County:

  • Brockway
    (14 miles [22.5 km] to the northeast)
    • Brockway is located in Jefferson County (PA)
    • Jump to our Gazetteer entry for Brockway
    • Population from the 2020 Census: 2,020 people
    • Jump to TripAdvisor's Tourism page for Brockway <2>
  • Brookville
    (6 miles [9.7 km] to the northwest)
  • Corsica
    (12 miles [19.3 km] to the northwest)
    • Corsica is located in Jefferson County (PA)
    • Jump to our Gazetteer entry for Corsica
    • Population from the 2020 Census: 342 people
  • Falls Creek
    (9 miles [14.5 km] to the east)
  • Punxsutawney
    (10 miles [16.1 km] to the south)
  • Reynoldsville
    (5 miles [8 km] to the east)
  • Summerville
    (10 miles [16.1 km] to the west)
    • Summerville is located in Jefferson County (PA)
    • Jump to our Gazetteer entry for Summerville
    • Population from the 2020 Census: 501 people
  • Sykesville
    (9 miles [14.5 km] to the east)
  • Timblin
    (9 miles [14.5 km] to the southwest)
    • Timblin is located in Jefferson County (PA)
    • Jump to our Gazetteer entry for Timblin
    • Population from the 2020 Census: 145 people
  • Worthville
    (9 miles [14.5 km] to the southwest)
    • Worthville is located in Jefferson County (PA)
    • Jump to our Gazetteer entry for Worthville
    • Population from the 2020 Census: 65 people

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.