Welcome to Seaside ...

The coastal city of Seaside is located in Clatsop County<1>.

While we don't have a date for the founding of Seaside, you might consider that their post office opened  in 1882.

From the  Census Estimates for 2019, Seaside has a population of 6,892 people<2> (see below for details).

Seaside is near sea level<3>.

Time Zone: Seaside lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

Area codes for Seaside: (503) & (971)<4>

Websites for Seaside ...

Official Website: www.cityofseaside.us/

Population Details ...

Taken from the 2019 Census Estimates, Seaside had an population of 6,892 people. This is an increase of 6.74% since the 2010 Census (or an increase of 16.81% since the 2000 Census).

At the time of the 2010 Census, Seaside had a population of 6,457 people (or 17.43% of the total population of Clatsop County). This makes Seaside the county's 2nd most populous community.

The population of Seaside represents 0.17% of the population of Oregon (which has 3,831,074 people), making it the state's 68th most populous community.

With a 2010 count of 6,457 people, the population of Seaside increased 9.44% from the 2000 Census (with a count of 5,900 people).

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

Communities Also Named Seaside ...

Using our Gazetteer, we found that there are 10 communities that are also named Seaside - they are located in Alaska, California, Connecticut, Florida (3), New York (2), North Carolina and South Carolina.

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

Communities near Seaside ...

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

• Astoria
  (13 miles [20.9 km] to the north)
  • Jump to our Gazetteer entry for Astoria
  • Astoria is located in Clatsop County
  • Population from the 2020 Census: 10,029 people
  • Jump to TripAdvisor's Tourism page for Astoria <5>
• Warrenton
  (12 miles [19.3 km] to the north)
  • Note: The GPS coordinates that we are using for Warrenton have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Warrenton
  • Warrenton is located in Clatsop County
  • Population from the 2020 Census: 5,739 people
  • Jump to TripAdvisor's Tourism page for Warrenton <5>
• Cannon Beach
  (7 miles [11.3 km] to the south)
  • Jump to our Gazetteer entry for Cannon Beach
  • Cannon Beach is located in Clatsop County
  • Population from the 2020 Census: 1,779 people
  • Jump to TripAdvisor's Tourism page for Cannon Beach <5>
• Manzanita
  (19 miles [30.6 km] to the south)
  • Note: The GPS coordinates that we are using for Manzanita have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Manzanita
  • Manzanita is located in Tillamook County
  • Population from the 2020 Census: 670 people
  • Jump to TripAdvisor's Tourism page for Manzanita <5>
• Hammond
  (14 miles [22.5 km] to the north)
  • Note: The GPS coordinates that we are using for Hammond have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Hammond
  • Hammond is located in Clatsop County
  • Jump to TripAdvisor's Tourism page for Hammond <5>
• Nehalem
  (19 miles [30.6 km] to the south)
  • Jump to our Gazetteer entry for Nehalem
  • Nehalem is located in Tillamook County
  • Population from the 2020 Census: 303 people
  • Jump to TripAdvisor's Tourism page for Nehalem <5>
• Tolovana Park
  (8 miles [12.9 km] to the south)
  • Jump to our Gazetteer entry for Tolovana Park
  • Tolovana Park is located in Clatsop County
  • Jump to TripAdvisor's Tourism page for Tolovana Park <5>
• Jeffers Garden
  (11 miles [17.7 km] to the north)
  • Jump to our Gazetteer entry for Jeffers Garden
  • Jeffers Garden is located in Clatsop County
• Arch Cape
  (12 miles [19.3 km] to the south)
  • Jump to our Gazetteer entry for Arch Cape
  • Arch Cape is located in Clatsop County
  • Jump to TripAdvisor's Tourism page for Arch Cape <5>
• Tongue Point Village
  (15 miles [24.1 km] to the northeast)
  • Note: The GPS coordinates that we are using for Tongue Point Village have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Tongue Point Village
  • Tongue Point Village is located in Clatsop County

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

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

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

TripAdvisor Tourism Pages for Seaside ...

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

Adding Seaside to Our Gazetteer ...

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

From that list, the Seaside post office opened in 1882.

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

For more details, see References and Mentions for Seaside.

Off-the-Road Links ...

The official website for Seaside: www.cityofseaside.us/

The official website for Clatsop County: www.co.clatsop.or.us/

The official website for State of Oregon: https://www.oregon.gov/