Welcome to Arnold ...

The city of Arnold is located in Westmoreland County<1>.

The location of Arnold has been provided by the Geographic Names Information System (ie- the GNIS).<2>

Arnold was established in 1781.

From the  Census Estimates for 2019, Arnold has a population of 4,832 people<3> (see below for details).

The community of Arnold is 830 feet [253 m] above sea level.<4>.

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

Population Details ...

Taken from the 2019 Census Estimates, Arnold had an population of 4,832 people. This is a decrease of 6.3% since the 2010 Census (or a decrease of 14.73% since the 2000 Census).

At the time of the 2010 Census, Arnold had a population of 5,157 people. This makes Arnold the county's 9th most populous community.

The population of Arnold represents 0.04% of the population of Pennsylvania (which has 12,702,379 people), making it the state's 187th most populous community.

With a 2010 count of 5,157 people, the population of Arnold decreased 9% from the 2000 Census (with a count of 5,667 people).

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

Communities Also Named Arnold ...

Using our Gazetteer, we found that there are two Pennsylvania communities named Arnold: This one is located in Westmoreland County and the other is located in Armstrong County.

Beyond Pennsylvania, there are 39 communities that are also named Arnold - they are located in Alabama, British Columbia, California (3), Georgia (6), Illinois (2), Iowa, Kansas (3), Kentucky (2), Maine, Maryland, Massachusetts, Michigan (3), Minnesota, Missouri, Montana, Nebraska, Nevada, North Carolina, North Dakota, Nova Scotia, Ohio, Texas, West Virginia (2) and Wisconsin.

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

Communities near Arnold ...

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

• Pittsburgh
  (15 miles [24.1 km] to the southwest)
  • Jump to our Gazetteer entry for Pittsburgh
  • Pittsburgh is located in Allegheny County
  • Population from the 2020 Census: 299,226 people
  • Jump to TripAdvisor's Tourism page for Pittsburgh <5>
• Monroeville
  (10 miles [16.1 km] to the south)
  • Jump to our Gazetteer entry for Monroeville
  • Monroeville is located in Allegheny County
  • Population from the 2020 Census: 27,393 people
  • Jump to TripAdvisor's Tourism page for Monroeville <5>
• West Mifflin
  (16 miles [25.7 km] to the southwest)
  • Note: The GPS coordinates that we are using for West Mifflin have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for West Mifflin
  • West Mifflin is located in Allegheny County
  • Population from the 2020 Census: 19,588 people
  • Jump to TripAdvisor's Tourism page for West Mifflin <5>
• Murrysville
  (10 miles [16.1 km] to the south)
  • Jump to our Gazetteer entry for Murrysville
  • Murrysville is located in Westmoreland County
  • Population from the 2020 Census: 19,446 people
  • Jump to TripAdvisor's Tourism page for Murrysville <5>
• Baldwin
  (18 miles [29 km] to the southwest)
  • Note: The GPS coordinates that we are using for Baldwin have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Baldwin
  • Baldwin is located in Allegheny County
  • Population from the 2020 Census: 19,419 people
• McKeesport
  (16 miles [25.7 km] to the south)
  • Jump to our Gazetteer entry for McKeesport
  • McKeesport is located in Allegheny County
  • Population from the 2020 Census: 18,927 people
  • Jump to TripAdvisor's Tourism page for McKeesport <5>
• Wilkinsburg
  (11 miles [17.7 km] to the southwest)
  • Note: The GPS coordinates that we are using for Wilkinsburg have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Wilkinsburg
  • Wilkinsburg is located in Allegheny County
  • Population from the 2020 Census: 15,186 people
  • Jump to TripAdvisor's Tourism page for Wilkinsburg <5>
• Franklin Park
  (17 miles [27.4 km] to the west)
  • Note: The GPS coordinates that we are using for Franklin Park have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Franklin Park
  • Franklin Park is located in Allegheny County
  • Population from the 2020 Census: 14,883 people
• Whitehall
  (19 miles [30.6 km] to the southwest)
  • Jump to our Gazetteer entry for Whitehall
  • Whitehall is located in Allegheny County
  • Population from the 2020 Census: 13,313 people
  • Jump to TripAdvisor's Tourism page for Whitehall <5>
• Munhall
  (14 miles [22.5 km] to the southwest)
  • Jump to our Gazetteer entry for Munhall
  • Munhall is located in Allegheny County
  • Population from the 2020 Census: 10,930 people
  • Jump to TripAdvisor's Tourism page for Munhall <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 Arnold. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Arnold.

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

We also have a detailed list of newspapers that have been published in the area around Arnold. See our Newspapers Page for Arnold.

TripAdvisor Tourism Pages for Arnold ...

Looking for more information about Arnold? 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 Arnold, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Arnold.

Adding Arnold to Our Gazetteer ...

We originally found mention of Arnold 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 Arnold was in the book titled Business Atlas and Shippers' Guide (1895).

We also found Arnold in the book titled .<6> From that list, the Arnold post office opened in 1897.

For more details, see References and Mentions for Arnold.

Off-the-Road Links ...

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

The official website for Westmoreland County: www.co.westmoreland.pa.us/

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