Seaside, Oregon

Seaside population, 2020 to 2024

Seaside lost 66 residents from July 2020 to July 2024, a change of -0.9%. In the latest year it moved by -45. Among 80 Oregon places of 5,000 or more, that growth ranks 63rd; the median place changed by +0.8%. The median place of 5,000+ in Oregon has 14,915 people, so Seaside is 48% of it.

Seaside covers 4.05 square miles of land and 0.17 of water, for 1,756 people per square mile of land. The median Oregon place of 5,000+ has 3,097, so Seaside is less dense than the typical town.

What county Seaside is in

All of Seaside's residents live in Clatsop County, which had 41,043 residents in 2024. Seaside holds 17.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Seaside

1 ZIP Code Tabulation Area (ZCTA) overlaps Seaside by at least 10% of the ZCTA's or the city's land: 97138. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Seaside is

The Census internal point of Seaside is at 45.989000, -123.921000. Salem, the capital, is 84.4 miles SSE in a straight line. The nearest larger place is Astoria, OR (9,906 people), 14.6 miles away. The nearest city of 100,000 or more is Hillsboro, OR, 57.2 miles away.

Daylight in Seaside

At 45.99° N, Seaside gets about 15 h 45 min of daylight around the June solstice and 8 h 38 min around the December solstice, a swing of 7 h 07 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Seaside

The eight nearest incorporated places of 1,000+ in Oregon, measured between internal points. The closest is Gearhart, 3.0 miles away, with 1,872 people.