Welcome to Jefferson ...
Jefferson is located in Greene County<1>.
While we don't have a date for the founding of Jefferson, you might consider that their post office opened in 1805.
From the Census Estimates for 2019, Jefferson has a population of 253 people<2> (see below for details).
Jefferson is 980 feet [299 m] above sea level.<3>.
Time Zone: Jefferson lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time
Area codes for Jefferson: (724) & (874)<4>
The ZIP code for Jefferson: 15344<5>
Population Details ...
Taken from the 2019 Census Estimates, Jefferson had an population of 253 people. This is a decrease of 6.3% since the 2010 Census (or a decrease of 24.93% since the 2000 Census).
At the time of the 2010 Census, Jefferson had a population of 270 people. This makes Jefferson the county's 4th most populous community.
With a 2010 count of 270 people, the population of Jefferson decreased 19.88% from the 2000 Census (with a count of 337 people).
More information can be found on the Census Page for Jefferson.
Communities Also Named Jefferson ...
While we believe that this Jefferson is located in Greene County, we know of another 4 Pennsylvania communities named Jefferson. Those communities are located in the following counties: Clarion, Schuylkill, Washington and York County.
Beyond Pennsylvania, there are 58 communities that are also named Jefferson - they are located in Alabama (2), Arkansas (2), California, Colorado (2), Georgia (3), Illinois, Indiana, Iowa, Kansas (3), Louisiana (2), Maine, Maryland, Massachusetts, Michigan (4), Mississippi (2), Montana, Nevada, New Hampshire, New Jersey, New York (2), North Carolina, Nova Scotia, Ohio (5), Oklahoma, Ontario, Oregon, South Carolina, South Dakota, Tennessee (2), Texas, Virginia (2), Washington, West Virginia (2) and Wisconsin.
For more information, see our Tidbits & Trivia Page for Jefferson.
Communities near Jefferson ...
We have created a list of 10 communities that are near Jefferson.
- Washington
(19 miles [30.6 km] to the northwest)- Jump to our Gazetteer entry for Washington
- Washington is located in Washington County
- Population from the 2020 Census: 13,249 people
- Jump to TripAdvisor's Tourism page for Washington <6>
- Uniontown
(17 miles [27.4 km] to the east)- Jump to our Gazetteer entry for Uniontown
- Uniontown is located in Fayette County
- Population from the 2020 Census: 9,632 people
- Jump to TripAdvisor's Tourism page for Uniontown <6>
- Monessen
(17 miles [27.4 km] to the northeast)- Note: The GPS coordinates that we are using for Monessen have been provided by the GNIS.<7> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Monessen
- Monessen is located in Westmoreland County
- Population from the 2020 Census: 7,176 people
- Jump to TripAdvisor's Tourism page for Monessen <6>
- California
(12 miles [19.3 km] to the northeast)- Note: The GPS coordinates that we are using for California have been provided by the GNIS.<7> The coordinates still need to be verified.
- Jump to our Gazetteer entry for California
- California is located in Washington County
- Population from the 2020 Census: 6,261 people
- Jump to TripAdvisor's Tourism page for California <6>
- Donora
(19 miles [30.6 km] to the northeast)- Jump to our Gazetteer entry for Donora
- Donora is located in Washington County
- Population from the 2020 Census: 4,546 people
- Jump to TripAdvisor's Tourism page for Donora <6>
- Monongahela
(19 miles [30.6 km] to the north)- Note: The GPS coordinates that we are using for Monongahela have been provided by the GNIS.<7> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Monongahela
- Monongahela is located in Washington County
- Population from the 2020 Census: 4,090 people
- Jump to TripAdvisor's Tourism page for Monongahela <6>
- Charleroi
(16 miles [25.7 km] to the northeast)- Jump to our Gazetteer entry for Charleroi
- Charleroi is located in Washington County
- Population from the 2020 Census: 3,887 people
- Jump to TripAdvisor's Tourism page for Charleroi <6>
- Waynesburg
(7 miles [11.3 km] to the west)- Note: The GPS coordinates that we are using for Waynesburg have been provided by the GNIS.<7> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Waynesburg
- Waynesburg is located in Greene County
- Population from the 2020 Census: 3,857 people
- Jump to TripAdvisor's Tourism page for Waynesburg <6>
- Masontown
(10 miles [16.1 km] to the southeast)- Note: The GPS coordinates that we are using for Masontown have been provided by the GNIS.<7> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Masontown
- Masontown is located in Fayette County
- Population from the 2020 Census: 3,260 people
- Jump to TripAdvisor's Tourism page for Masontown <6>
- Granville
(19 miles [30.6 km] to the south)
To Help With Your Genealogy Research ...
We have a couple of sections for those tracing their genealogy.
We created a list of cemeteries that are in the area around Jefferson. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Jefferson.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Jefferson. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Jefferson.
We also have a detailed list of newspapers that have been published in the area around Jefferson. See our Newspapers Page for Jefferson.
TripAdvisor Tourism Pages for Jefferson ...
Looking for more information about Jefferson? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.
While we are unaware of a Tourism page that is specific to Jefferson, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Jefferson.
Adding Jefferson to Our Gazetteer ...
We originally found mention of Jefferson in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.
From our notes, the earliest published mention we've found for Jefferson was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<8>
From that list, the Jefferson post office opened in 1805.
We also found Jefferson in the book titled U.S. Post Offices (Oct. 1846).
For more details, see References and Mentions for Jefferson.
Off-the-Road Links ...
Unfortunately, we don't know of a website for Jefferson. If you can help, please contact us through our Feedback Page.
The official website for Greene County: www.county.greenepa.net/
The official website for State of Pennsylvania: https://www.pa.gov/
Footnotes ...
| <1> | If you're interested in how the shape of Pennsylvania's counties, including Greene, have changed over time, we recommend the Atlas of Historical County Boundaries. |
| <2> | Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Jefferson. |
| <3> | The elevation is an estimate for the area around Jefferson - it will be higher in some places and lower in others. |
| <4> | Area code (874) is an overlay for area code (724). |
| <5> | ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a community (such as Jefferson). When looking for a ZIP Code, whether Jefferson or elsewhere, it's always best to check the website of the United States Postal Service (USPS). |
| <6> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |
| <7> | 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. |
| <8> | A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/ |