Welcome to Neptune ...

Neptune is located in Mercer County<1>.

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

While we don't have a date for the founding of Neptune, you might consider that their post office opened  in 1839.

Neptune is 840 feet [256 m] above sea level.<3>.

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

Area codes for Neptune: (419) and (567)<4>

Communities Also Named Neptune ...

Using our Gazetteer, we found that there are 7 communities that are also named Neptune - they are located in Iowa, Louisiana, Saskatchewan, South Dakota, Tennessee, West Virginia and Wisconsin.

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

Communities near Neptune ...

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

• Van Wert
  (18 miles [29 km] to the north)
  • Note: The GPS coordinates that we are using for Van Wert have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Van Wert
  • Van Wert is located in Van Wert County
  • Population from the 2020 Census: 10,614 people
  • Jump to TripAdvisor's Tourism page for Van Wert <5>
• Celina
  (5 miles [8 km] to the southwest)
  • Jump to our Gazetteer entry for Celina
  • Celina is located in Mercer County
  • Population from the 2020 Census: 10,438 people
  • Jump to TripAdvisor's Tourism page for Celina <5>
• Wapakoneta
  (15 miles [24.1 km] to the east)
  • Jump to our Gazetteer entry for Wapakoneta
  • Wapakoneta is located in Auglaize County
  • Population from the 2020 Census: 9,682 people
  • Jump to TripAdvisor's Tourism page for Wapakoneta <5>
• Saint Marys
  (6 miles [9.7 km] to the southeast)
  • Jump to our Gazetteer entry for Saint Marys
  • Saint Marys is located in Auglaize County
  • Population from the 2020 Census: 8,113 people
  • Jump to TripAdvisor's Tourism page for Saint Marys <5>
• Delphos
  (18 miles [29 km] to the northeast)
  • Jump to our Gazetteer entry for Delphos
  • Delphos is located in Allen County
  • Population from the 2020 Census: 6,895 people
  • Jump to TripAdvisor's Tourism page for Delphos <5>
• Coldwater
  (11 miles [17.7 km] to the southwest)
  • Jump to our Gazetteer entry for Coldwater
  • Coldwater is located in Mercer County
  • Population from the 2020 Census: 4,562 people
  • Jump to TripAdvisor's Tourism page for Coldwater <5>
• Fort Shawnee
  (19 miles [30.6 km] to the east)
  • Note: The GPS coordinates that we are using for Fort Shawnee have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Fort Shawnee
  • Fort Shawnee is located in Allen County
  • Estimated population in 2012: 3,643 people
• New Bremen
  (13 miles [20.9 km] to the southeast)
  • Note: The GPS coordinates that we are using for New Bremen have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for New Bremen
  • New Bremen is located in Auglaize County
  • Population from the 2020 Census: 2,949 people
  • Jump to TripAdvisor's Tourism page for New Bremen <5>
• Minster
  (15 miles [24.1 km] to the southeast)
  • Note: The GPS coordinates that we are using for Minster have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Minster
  • Minster is located in Auglaize County
  • Population from the 2020 Census: 2,828 people
  • Jump to TripAdvisor's Tourism page for Minster <5>
• Saint Henry
  (14 miles [22.5 km] to the southwest)
  • Jump to our Gazetteer entry for Saint Henry
  • Saint Henry is located in Mercer County
  • Population from the 2020 Census: 2,574 people
  • Jump to TripAdvisor's Tourism page for Saint Henry <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 Neptune. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Neptune.

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

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

TripAdvisor Tourism Pages for Neptune ...

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

Adding Neptune to Our Gazetteer ...

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

From that list, the Neptune post office opened in 1839.

We also found Neptune in the book titled U.S. Post Offices (Oct. 1846).

For more details, see References and Mentions for Neptune.

Off-the-Road Links ...

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

The official website for Mercer County: www.mercercountyohio.org/

The official website for State of Ohio: https://ohio.gov/