Welcome to Sullivan ...

Sullivan is located in Cheshire County<1>.

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

While we don't have a date for the founding of Sullivan, you might consider that their post office opened  in 1851.

From the  Census Estimates for 2019, Sullivan has a population of 675 people<3> (see below for details).

Sullivan is 1,410 feet [430 m] above sea level.<4>.

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

The area code for Sullivan: (603)

Population Details ...

Taken from the 2019 Census Estimates, Sullivan had an population of 675 people. This is a decrease of 0.3% since the 2010 Census (or a decrease of 9.52% since the 2000 Census).

At the time of the 2010 Census, Sullivan had a population of 677 people. This makes Sullivan the county's 22nd most populous community.

The population of Sullivan represents 0.05% of the population of New Hampshire (which has 1,316,470 people), making it the state's 211st most populous community.

With a 2010 count of 677 people, the population of Sullivan decreased 9.25% from the 2000 Census (with a count of 746 people).

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

Communities Also Named Sullivan ...

Using our Gazetteer, we found that there are 32 communities that are also named Sullivan - they are located in Alabama, Arizona, Arkansas, British Columbia, California (2), Colorado, Illinois, Indiana, Kansas (3), Kentucky, Maine, Michigan, Missouri, Montana, Nebraska, New York, Ohio, Ontario, Pennsylvania (2), Quebec, South Dakota, Texas, Virginia (2), West Virginia (2) and Wisconsin (2).

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

Communities near Sullivan ...

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

• Keene
  (6 miles [9.7 km] to the southwest)
  • Jump to our Gazetteer entry for Keene
  • Keene is located in Cheshire County
  • Population from the 2020 Census: 22,699 people
  • Jump to TripAdvisor's Tourism page for Keene <5>
• Swanzey
  (10 miles [16.1 km] to the south)
  • Jump to our Gazetteer entry for Swanzey
  • Swanzey is located in Cheshire County
  • Population from the 2020 Census: 7,271 people
  • Jump to TripAdvisor's Tourism page for Swanzey <5>
• Peterborough
  (16 miles [25.7 km] to the southeast)
  • Note: The GPS coordinates that we are using for Peterborough have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Peterborough
  • Peterborough is located in Hillsborough County
  • Population from the 2020 Census: 6,743 people
  • Jump to TripAdvisor's Tourism page for Peterborough <5>
• Hillsboro
  (17 miles [27.4 km] to the northeast)
  • Jump to our Gazetteer entry for Hillsboro
  • Hillsboro is located in Hillsborough County
  • Population from the 2020 Census: 6,019 people
  • Hillsboro has also been known as:
  • Hillsborough
  • Jump to TripAdvisor's Tourism page for Hillsboro <5>
• Jaffrey
  (17 miles [27.4 km] to the southeast)
  • Note: The GPS coordinates that we are using for Jaffrey have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Jaffrey
  • Jaffrey is located in Cheshire County
  • Population from the 2020 Census: 5,287 people
  • Jump to TripAdvisor's Tourism page for Jaffrey <5>
• Charlestown
  (18 miles [29 km] to the northwest)
  • Jump to our Gazetteer entry for Charlestown
  • Charlestown is located in Sullivan County
  • Population from the 2020 Census: 5,032 people
  • Jump to TripAdvisor's Tourism page for Charlestown <5>
• Rockingham
  (18 miles [29 km] to the northwest)
  • Note: The GPS coordinates that we are using for Rockingham have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Rockingham
  • Rockingham is located in Windham County (VT)
  • Population from the 2020 Census: 4,986 people
• Winchester
  (18 miles [29 km] to the southwest)
  • Note: The GPS coordinates that we are using for Winchester have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Winchester
  • Winchester is located in Cheshire County
  • Population from the 2020 Census: 4,217 people
  • Jump to TripAdvisor's Tourism page for Winchester <5>
• Walpole
  (11 miles [17.7 km] to the northwest)
  • Jump to our Gazetteer entry for Walpole
  • Walpole is located in Cheshire County
  • Population from the 2020 Census: 4,032 people
  • Jump to TripAdvisor's Tourism page for Walpole <5>
• Chesterfield
  (15 miles [24.1 km] to the southwest)
  • Note: The GPS coordinates that we are using for Chesterfield have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Chesterfield
  • Chesterfield is located in Cheshire County
  • Population from the 2020 Census: 3,644 people
  • Jump to TripAdvisor's Tourism page for Chesterfield <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 Sullivan. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Sullivan.

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

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

TripAdvisor Tourism Pages for Sullivan ...

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

Adding Sullivan to Our Gazetteer ...

We originally found mention of Sullivan 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 Sullivan was in the book titled Table of U.S. Post Offices in the United States (Jan. 1851).

We also found Sullivan in the book titled Business Atlas and Shippers' Guide (1895).

For more details, see References and Mentions for Sullivan.

Off-the-Road Links ...

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

The official website for Cheshire County: www.co.cheshire.nh.us/

The official website for State of New Hampshire: https://www.nh.gov/