Welcome to Sunapee ...

Sunapee is located in Sullivan County<1>.

While we don't have a date for the founding of Sunapee, you might consider that their post office opened  in 1853.

From the  Census Estimates for 2019, Sunapee has a population of 3,496 people<2> (see below for details).

Sunapee is 1,010 feet [308 m] above sea level.<3>.

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

The area code for Sunapee: (603)

The ZIP code for Sunapee: 03782<4>

Population Details ...

Taken from the 2019 Census Estimates, Sunapee had an population of 3,496 people. This is an increase of 3.89% since the 2010 Census (or an increase of 14.44% since the 2000 Census).

At the time of the 2010 Census, Sunapee had a population of 3,365 people (or 7.69% of the total population of Sullivan County). This makes Sunapee the county's 4th most populous community.

The population of Sunapee represents 0.26% of the population of New Hampshire (which has 1,316,470 people), making it the state's 105th most populous community.

With a 2010 count of 3,365 people, the population of Sunapee increased 10.15% from the 2000 Census (which had a count of 3,055 people).

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

Communities near Sunapee ...

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

• Lebanon
  (19 miles [30.6 km] to the northwest)
  • Note: The GPS coordinates that we are using for Lebanon have been provided by the GNIS.<5> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Lebanon
  • Lebanon is located in Grafton County
  • Population from the 2020 Census: 13,808 people
  • Jump to TripAdvisor's Tourism page for Lebanon <6>
• Claremont
  (12 miles [19.3 km] to the west)
  • Jump to our Gazetteer entry for Claremont
  • Claremont is located in Sullivan County
  • Population from the 2020 Census: 12,944 people
  • Jump to TripAdvisor's Tourism page for Claremont <6>
• Newport
  (4 miles [6.4 km] to the west)
  • Jump to our Gazetteer entry for Newport
  • Newport is located in Sullivan County
  • Population from the 2020 Census: 6,379 people
  • Jump to TripAdvisor's Tourism page for Newport <6>
• Charlestown
  (19 miles [30.6 km] to the southwest)
  • 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 <6>
• Henniker
  (19 miles [30.6 km] to the southeast)
  • Jump to our Gazetteer entry for Henniker
  • Henniker is located in Merrimack County
  • Population from the 2020 Census: 5,006 people
  • Jump to TripAdvisor's Tourism page for Henniker <6>
• Enfield
  (17 miles [27.4 km] to the north)
  • Jump to our Gazetteer entry for Enfield
  • Enfield is located in Grafton County
  • Population from the 2020 Census: 4,564 people
  • Jump to TripAdvisor's Tourism page for Enfield <6>
• New London
  (5 miles [8 km] to the east)
  • Jump to our Gazetteer entry for New London
  • New London is located in Merrimack County
  • Population from the 2020 Census: 4,268 people
  • Jump to TripAdvisor's Tourism page for New London <6>
• Canaan
  (18 miles [29 km] to the north)
  • Jump to our Gazetteer entry for Canaan
  • Canaan is located in Grafton County
  • Population from the 2020 Census: 3,917 people
  • Jump to TripAdvisor's Tourism page for Canaan <6>
• Windsor
  (17 miles [27.4 km] to the west)
  • Note: The GPS coordinates that we are using for Windsor have been provided by the GNIS.<5> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Windsor
  • Windsor is located in Windsor County (VT)
  • Population from the 2020 Census: 3,284 people
• Grantham
  (7 miles [11.3 km] to the north)
  • Note: The GPS coordinates that we are using for Grantham have been provided by the GNIS.<5> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Grantham
  • Grantham is located in Sullivan County
  • Population from the 2020 Census: 2,955 people
  • Jump to TripAdvisor's Tourism page for Grantham <6>

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

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

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

TripAdvisor Tourism Pages for Sunapee ...

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

Adding Sunapee to Our Gazetteer ...

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

From that list, the Sunapee post office opened in 1853.

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

For more details, see References and Mentions for Sunapee.

Off-the-Road Links ...

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

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