Welcome to Mercer ...

Mercer is located in Mercer County<1> and is the County Seat for Mercer County.

While we don't have a date for the founding of Mercer, you might consider that their post office opened  in 1846.

From the  Census Estimates for 2019, Mercer has a population of 1,884 people<2> (see below for details).

Mercer is 1,250 feet [381 m] above sea level.<3>.

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

Telephone area codes for Mercer: (724) & (874)<4>

Population Details ...

Taken from the 2019 Census Estimates, Mercer had an population of 1,884 people. This is a decrease of 5.89% since the 2010 Census (or a decrease of 21.2% since the 2000 Census).

At the time of the 2010 Census, Mercer had a population of 2,002 people. This makes Mercer the county's 7th most populous community.

The population of Mercer represents 0.02% of the total population of Pennsylvania (which has 12,702,379 people), making it the state's 431st most populous community.

With a 2010 count of 2,002 people, the population of Mercer decreased 16.27% from the 2000 Census (with a count of 2,391 people).

More information can be found on the Census Page for Mercer.

Communities Also Named Mercer ...

Using our Gazetteer, we found that there are 17 communities that are also named Mercer - they are located in Florida, Iowa, Kentucky, Maine, Mississippi, Missouri, Nebraska, North Carolina, North Dakota, Ohio (2), Oregon, South Carolina (2), Tennessee, Virginia and Wisconsin.

For more information, see our Tidbits & Trivia Page for Mercer.

Communities near Mercer ...

We have created a list of 10 communities that are near Mercer.

• New Castle
  (16 miles [25.7 km] to the south)
  • Jump to our Gazetteer entry for New Castle
  • New Castle is located in Lawrence County
  • Population from the 2020 Census: 21,472 people
  • Jump to TripAdvisor's Tourism page for New Castle <5>
• Hermitage
  (10 miles [16.1 km] to the west)
  • Jump to our Gazetteer entry for Hermitage
  • Hermitage is located in Mercer County
  • Population from the 2020 Census: 15,468 people
  • Jump to TripAdvisor's Tourism page for Hermitage <5>
• Sharon
  (13 miles [20.9 km] to the west)
  • Jump to our Gazetteer entry for Sharon
  • Sharon is located in Mercer County
  • Population from the 2020 Census: 12,827 people
  • Jump to TripAdvisor's Tourism page for Sharon <5>
• Grove City
  (14 miles [22.5 km] to the west)
  • Note: The GPS coordinates that we are using for Grove City have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Grove City
  • Grove City is located in Mercer County
  • Population from the 2020 Census: 7,648 people
  • Jump to TripAdvisor's Tourism page for Grove City <5>
• Hubbard
  (17 miles [27.4 km] to the west)
  • Note: The GPS coordinates that we are using for Hubbard have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Hubbard
  • Hubbard is located in Trumbull County (OH)
  • Population from the 2020 Census: 7,369 people
  • Jump to TripAdvisor's Tourism page for Hubbard <5>
• Greenville
  (14 miles [22.5 km] to the northwest)
  • Note: The GPS coordinates that we are using for Greenville have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Greenville
  • Greenville is located in Mercer County
  • Population from the 2020 Census: 5,177 people
  • Jump to TripAdvisor's Tourism page for Greenville <5>
• Farrell
  (13 miles [20.9 km] to the west)
  • Jump to our Gazetteer entry for Farrell
  • Farrell is located in Mercer County
  • Population from the 2020 Census: 4,542 people
  • Jump to TripAdvisor's Tourism page for Farrell <5>
• Sharpsville
  (12 miles [19.3 km] to the west)
  • Jump to our Gazetteer entry for Sharpsville
  • Sharpsville is located in Mercer County
  • Population from the 2020 Census: 4,041 people
  • Jump to TripAdvisor's Tourism page for Sharpsville <5>
• Slippery Rock
  (14 miles [22.5 km] to the southeast)
  • Note: The GPS coordinates that we are using for Slippery Rock have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Slippery Rock
  • Slippery Rock is located in Butler County
  • Population from the 2020 Census: 3,508 people
  • Jump to TripAdvisor's Tourism page for Slippery Rock <5>
• New Wilmington
  (8 miles [12.9 km] to the southwest)
  • Note: The GPS coordinates that we are using for New Wilmington have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for New Wilmington
  • New Wilmington is located in Lawrence County
  • Population from the 2020 Census: 2,205 people
  • Jump to TripAdvisor's Tourism page for New Wilmington <5>

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 Mercer. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Mercer.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Mercer. 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 Mercer.

We also have a detailed list of newspapers that have been published in the area around Mercer. Our list includes 21 papers. See our Newspapers Page for Mercer.

TripAdvisor Tourism Pages for Mercer ...

Looking for more information about Mercer? 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.

In addition to the Tourism page for Mercer, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Mercer.

Adding Mercer to Our Gazetteer ...

We originally found mention of Mercer 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 Mercer was in the book titled U.S. Post Offices (Oct. 1846).

We also found Mercer in the book titled Table of U.S. Post Offices in the United States (Jan. 1851).

For more details, see References and Mentions for Mercer.

Off-the-Road Links ...

Unfortunately, we don't know of a website for Mercer. If you can help, please contact us through our Feedback Page.

The official website for Mercer County: www.mcc.co.mercer.pa.us/

The official website for State of Pennsylvania: https://www.pa.gov/