Sumas, Washington

Sumas population, 2020 to 2024

Sumas added 76 residents from July 2020 to July 2024, a change of +4.7%. In the latest year it moved by +18.

Sumas covers 1.47 square miles of land, for 1,145 people per square mile of land. The median Washington place of 5,000+ has 2,694, so Sumas is less dense than the typical town.

What county Sumas is in

All of Sumas's residents live in Whatcom County, which had 234,954 residents in 2024. Sumas holds 0.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Sumas

1 ZIP Code Tabulation Area (ZCTA) overlaps Sumas by at least 10% of the ZCTA's or the city's land: 98295. 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 Sumas is

The Census internal point of Sumas is at 48.995500, -122.268500. Olympia, the capital, is 138.5 miles SSW in a straight line. The nearest larger place is Everson, WA (3,169 people), 6.9 miles away. The nearest city of 100,000 or more is Everett, WA, 71.3 miles away.

Daylight in Sumas

At 49.00° N, Sumas gets about 16 h 12 min of daylight around the June solstice and 8 h 14 min around the December solstice, a swing of 7 h 59 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Sumas

The eight nearest incorporated places of 1,000+ in Washington, measured between internal points. The closest is Nooksack, 5.2 miles away, with 1,675 people.