Welcome to Seneca ...

Seneca is located in Lenawee County<1>.

We aren't confident of the location of Seneca, so consider the above location to be an estimate.<2>

While we don't have a date for the founding of Seneca, you might consider that their post office opened  in 1847.

Seneca is 790 feet [241 m] above sea level.<3>.

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

Seneca is within the boundaries of the (517) area code.

The ZIP code for Seneca: 49280<4>

Communities Also Named Seneca ...

Using our Gazetteer, we found that there are two Michigan communities named Seneca: This one is located in Lenawee County and the other is located in Keweenaw County.

Beyond Michigan, there are 26 communities that are also named Seneca - they are located in Arizona, California, Florida (2), Illinois, Iowa, Kansas, Maryland, Mississippi, Missouri, Nebraska, New Mexico, New York, Ohio (2), Ontario, Oregon (2), Pennsylvania, South Carolina, South Dakota, Texas, Virginia, West Virginia and Wisconsin.

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

Communities near Seneca ...

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

• Adrian
  (10 miles [16.1 km] to the northeast)
  • Jump to our Gazetteer entry for Adrian
  • Adrian is located in Lenawee County
  • Population from the 2020 Census: 20,441 people
  • Jump to TripAdvisor's Tourism page for Adrian <5>
• Tecumseh
  (19 miles [30.6 km] to the northeast)
  • Note: The GPS coordinates that we are using for Tecumseh have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Tecumseh
  • Tecumseh is located in Lenawee County
  • Population from the 2020 Census: 8,377 people
  • Jump to TripAdvisor's Tourism page for Tecumseh <5>
• Wauseon
  (16 miles [25.7 km] to the south)
  • Jump to our Gazetteer entry for Wauseon
  • Wauseon is located in Fulton County (OH)
  • Population from the 2020 Census: 7,409 people
  • Jump to TripAdvisor's Tourism page for Wauseon <5>
• Archbold
  (19 miles [30.6 km] to the south)
  • Jump to our Gazetteer entry for Archbold
  • Archbold is located in Fulton County (OH)
  • Population from the 2020 Census: 4,289 people
  • Jump to TripAdvisor's Tourism page for Archbold <5>
• Blissfield
  (16 miles [25.7 km] to the east)
  • Note: The GPS coordinates that we are using for Blissfield have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Blissfield
  • Blissfield is located in Lenawee County
  • Population from the 2020 Census: 3,248 people
  • Jump to TripAdvisor's Tourism page for Blissfield <5>
• Delta
  (17 miles [27.4 km] to the southeast)
  • Note: The GPS coordinates that we are using for Delta have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Delta
  • Delta is located in Fulton County (OH)
  • Population from the 2020 Census: 3,085 people
  • Jump to TripAdvisor's Tourism page for Delta <5>
• Hudson
  (10 miles [16.1 km] to the northwest)
  • Jump to our Gazetteer entry for Hudson
  • Hudson is located in Lenawee County
  • Population from the 2020 Census: 2,195 people
  • Jump to TripAdvisor's Tourism page for Hudson <5>
• Morenci
  (5 miles [8 km] to the south)
  • Jump to our Gazetteer entry for Morenci
  • Morenci is located in Lenawee County
  • Population from the 2020 Census: 2,129 people
  • Jump to TripAdvisor's Tourism page for Morenci <5>
• West Unity
  (19 miles [30.6 km] to the southwest)
  • Jump to our Gazetteer entry for West Unity
  • West Unity is located in Williams County (OH)
  • Population from the 2020 Census: 1,670 people
  • Jump to TripAdvisor's Tourism page for West Unity <5>
• Fayette
  (11 miles [17.7 km] to the southwest)
  • Jump to our Gazetteer entry for Fayette
  • Fayette is located in Fulton County (OH)
  • Population from the 2020 Census: 1,232 people
  • Jump to TripAdvisor's Tourism page for Fayette <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 Seneca. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Seneca.

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

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

TripAdvisor Tourism Pages for Seneca ...

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

Adding Seneca to Our Gazetteer ...

We originally found mention of Seneca 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 Seneca was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>

From that list, the Seneca post office opened in 1847.

We also found Seneca in the book titled List of Post Offices in the United States (1870).

For more details, see References and Mentions for Seneca.

Off-the-Road Links ...

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

The official website for Lenawee County: www.lenawee.mi.us/

The official website for State of Michigan: https://www.michigan.gov/