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Welcome to Northumberland County ...

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

The community of Sunbury is the Seat for Northumberland County.

Northumberland County was founded March 21, 1772. Northumberland was created by taking area from Lancaster, Cumberland, Berks, Bedford and Northampton Counties.

From the Census Estimates for 2019, <1> Northumberland had a population of 90,843 people. This is a decrease of 3.66% since the last Census (which gave a population of 94,293 people in 2010).

At the time of the 2010 Census, Northumberland represented 0.74% of the total population of Pennsylvania.

Below are some of the communities located in Northumberland County:

  • Herndon
    (12 miles [19.3 km] to the southwest)
    • Note: The GPS coordinates that we are using for Herndon have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Herndon
    • Herndon is located in Northumberland County (PA)
    • Population from the 2020 Census: 299 people
    • Jump to TripAdvisor's Tourism page for Herndon <3>
  • Kulpmont
    (7 miles [11.3 km] to the east)
    • Note: The GPS coordinates that we are using for Kulpmont have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Kulpmont
    • Kulpmont is located in Northumberland County (PA)
    • Population from the 2020 Census: 2,735 people
    • Jump to TripAdvisor's Tourism page for Kulpmont <3>
  • Marion Heights
    (6 miles [9.7 km] to the east)
    • Note: The GPS coordinates that we are using for Marion Heights have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Marion Heights
    • Marion Heights is located in Northumberland County (PA)
    • Population from the 2020 Census: 573 people
  • McEwensville
    (16 miles [25.7 km] to the northwest)
  • Milton
    (13 miles [20.9 km] to the northwest)
    • Note: The GPS coordinates that we are using for Milton have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Milton
    • Milton is located in Northumberland County (PA)
    • Population from the 2020 Census: 6,550 people
  • Mount Carmel
    (14 miles [22.5 km] to the east)
    • Note: The GPS coordinates that we are using for Mount Carmel have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Mount Carmel
    • Mount Carmel is located in Northumberland County (PA)
    • Population from the 2020 Census: 5,708 people
    • Jump to TripAdvisor's Tourism page for Mount Carmel <3>
  • Northumberland
    (6 miles [9.7 km] to the west)
  • Riverside
    (6 miles [9.7 km] to the north)
    • Note: The GPS coordinates that we are using for Riverside have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Riverside
    • Riverside is located in Northumberland County (PA)
    • Population from the 2020 Census: 1,839 people
    • Jump to TripAdvisor's Tourism page for Riverside <3>
  • Continue List   (5 more) ...
    • Shamokin
      (8 miles [12.9 km] to the southeast)
      • Jump to our Gazetteer entry for Shamokin
      • Shamokin is located in Northumberland County (PA)
      • Population from the 2020 Census: 6,909 people
      • Jump to TripAdvisor's Tourism page for Shamokin <3>
    • Snydertown
      (Less than 2 miles to the northeast)
      • Note: The GPS coordinates that we are using for Snydertown have been provided by the GNIS.<2> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Snydertown
      • Snydertown is located in Northumberland County (PA)
      • Population from the 2020 Census: 316 people
    • Sunbury
      (5 miles [8 km] to the west)
      • Jump to our Gazetteer entry for Sunbury
      • Sunbury is located in Northumberland County (PA)
      • Population from the 2020 Census: 9,322 people
      • Jump to TripAdvisor's Tourism page for Sunbury <3>
    • Turbotville
      (16 miles [25.7 km] to the north)
      • Note: The GPS coordinates that we are using for Turbotville have been provided by the GNIS.<2> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Turbotville
      • Turbotville is located in Northumberland County (PA)
      • Population from the 2020 Census: 662 people
      • Jump to TripAdvisor's Tourism page for Turbotville <3>
    • Watsontown
      (17 miles [27.4 km] to the northwest)
      • Jump to our Gazetteer entry for Watsontown
      • Watsontown is located in Northumberland County (PA)
      • Population from the 2020 Census: 2,243 people
      • Jump to TripAdvisor's Tourism page for Watsontown <3>

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>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<3>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
 

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This page was last modified/updated: 15 Jul 2025