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Welcome to Seneca County ...

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

The community of Waterloo is the Seat for Seneca County.

Seneca County was founded in 1804 and was created by taking area from Cayuga County.

From the Census Estimates for 2019, <1> Seneca had a population of 34,016 people. This is a decrease of 3.54% since the last Census (which gave a population of 35,266 people in 2010).

At the time of the 2010 Census, Seneca represented 0.18% of the total population of New York.

Below are some of the communities located in Seneca County:

  • Covert
    (16 miles [25.7 km] to the southeast)
    • Note: The GPS coordinates that we are using for Covert have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Covert
    • Covert is located in Seneca County (NY)
    • Population from the 2020 Census: 2,089 people
  • Fayette
    (3 miles [4.8 km] to the north)
    • Note: The GPS coordinates that we are using for Fayette have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Fayette
    • Fayette is located in Seneca County (NY)
    • Population from the 2020 Census: 3,767 people
  • Interlaken
    (13 miles [20.9 km] to the southeast)
  • Junius
    (12 miles [19.3 km] to the north)
    • Note: The GPS coordinates that we are using for Junius have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Junius
    • Junius is located in Seneca County (NY)
    • Population from the 2020 Census: 1,429 people
  • Lodi
    (12 miles [19.3 km] to the south)
    • Note: The GPS coordinates that we are using for Lodi have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Lodi
    • Lodi is located in Seneca County (NY)
    • Population from the 2020 Census: 287 people
    • Jump to TripAdvisor's Tourism page for Lodi <3>
  • Ovid
    (8 miles [12.9 km] to the south)
    • Jump to our Gazetteer entry for Ovid
    • Ovid is located in Seneca County (NY)
    • Population from the 2020 Census: 599 people
    • Jump to TripAdvisor's Tourism page for Ovid <3>
  • Romulus
    (5 miles [8 km] to the south)
    • Note: The GPS coordinates that we are using for Romulus have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Romulus
    • Romulus is located in Seneca County (NY)
    • Population from the 2020 Census: 4,169 people
  • Seneca Falls
    (7 miles [11.3 km] to the north)
    • Note: The GPS coordinates that we are using for Seneca Falls have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Seneca Falls
    • Seneca Falls is located in Seneca County (NY)
    • Population from the 2020 Census: 8,615 people
  • Continue List   (6 more) ...
    • Tyre
      (12 miles [19.3 km] to the north)
      • Note: The GPS coordinates that we are using for Tyre have been provided by the GNIS.<2> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Tyre
      • Tyre is located in Seneca County (NY)
      • Population from the 2020 Census: 1,054 people
    • Varick
      (2 miles [3.2 km] to the southwest)
      • Note: The GPS coordinates that we are using for Varick have been provided by the GNIS.<2> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Varick
      • Varick is located in Seneca County (NY)
      • Population from the 2020 Census: 1,791 people
    • Waterloo
      (7 miles [11.3 km] to the north)

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>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.
<3>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
 

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This page was last modified/updated: 20 Mar 2025