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A Gazetteer for the United States and Canada
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Welcome to Port Union ...

Port Union is located in Butler County<1>.

Port Union was established in 1827.

A typical abbreviation for Port Union: Prt. Union

Port Union is 600 feet [183 m] above sea level.<2>.

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

Area Codes for Port Union: 513 & 283<3>

Communities Also Named Port Union ...

Using our Gazetteer, we found that there are 5 communities that are also named Port Union - they are located in Louisiana, Newfoundland and Labrador and Ontario (3).

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

Communities near Port Union ...

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

  • Cincinnati
    (16 miles [25.7 km] to the south)
  • Hamilton
    (6 miles [9.7 km] to the northwest)
  • Middletown
    (12 miles [19.3 km] to the north)
  • Fairfield
    (4 miles [6.4 km] to the west)
    • Note: The GPS coordinates that we are using for Fairfield have been provided by the GNIS.<5> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Fairfield
    • Fairfield is located in Hamilton County
    • Population from the 2020 Census: 42,603 people
    • Jump to TripAdvisor's Tourism page for Fairfield <4>
  • Covington
    (17 miles [27.4 km] to the south)
  • Mason
    (8 miles [12.9 km] to the east)
    • Jump to our Gazetteer entry for Mason
    • Mason is located in Warren County
    • Population from the 2020 Census: 34,300 people
    • Jump to TripAdvisor's Tourism page for Mason <4>
  • Oxford
    (19 miles [30.6 km] to the northwest)
  • Lebanon
    (15 miles [24.1 km] to the northeast)
  • Norwood
    (11 miles [17.7 km] to the south)
  • Springboro
    (19 miles [30.6 km] to the northeast)

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

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

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

TripAdvisor Tourism Pages for Port Union ...

Looking for more information about Port Union? 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 Port Union, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Port Union.

Adding Port Union to Our Gazetteer ...

We originally found mention of Port Union 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 Port Union was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<6>

From that list, the Port Union post office opened in 1850.

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

For more details, see References and Mentions for Port Union.

Footnotes ...

<1>If you're interested in how the shape of Ohio's counties, including Butler, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Port Union - it will be higher in some places and lower in others.
<3>When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 513 code has been Overlayed with the 283 area code. New phone numbers in the Port Union area will be assigned with one of these codes: 513 or 283. As a result, placing a call in the Port Union area will require 10-digit dialing (where you enter both the area code and then the phone number).
<4>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<5>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.
<6>A copy of their list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/