Town guide

Sumas, Washington

Sumas is a city in Whatcom County, Washington, home to about 1,512 people across 1.5 square miles. Its ZIP code is 98295.

Homes sold for a median of $296 per square foot in the three months ending August 2026, a buyer’s market.

Population1,5121,029 per sq mi
Median home value$441,500Census, as estimated by owners
Price per sq ft$296Sold homes, 3 months to August 2026
Sold over asking33%Latest 3 months

ZIP codes in Sumas

1 ZIP code

Each card is that ZIP code’s whole market, including any part outside Sumas. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology

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  • History
  • What it’s like to live there
  • Getting around
  • Things to do

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Around Sumas

Distances

Nearest major airportSeattle–Tacoma International Airport (SEA)105 miles away
Closer regional airportBellingham International Airport (BLI)19 miles away
Nearest city of 250,000+Seattle, WA94 miles away

Straight-line distances from the center of Sumas; driving is longer.

Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.

Who represents Sumas

Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.

Population over time

Sumas had 1,583 residents in the 2020 census, up 65% since 2000.

It’s the 352nd largest of 628 towns in Washington by population.

Whatcom County grew from 24,116 residents in 1900 to 226,847 in 2020.

Sumas population by census2000: 960, 2010: 1,307, 2020: 1,58396020001,30720101,5832020

Whatcom County, 1900–2020

Whatcom County population, 1900 to 20201900: 24,116, 1910: 49,511, 1920: 50,600, 1930: 59,128, 1940: 60,355, 1950: 66,733, 1960: 70,317, 1970: 81,950, 1980: 106,701, 1990: 127,780, 2000: 166,814, 2010: 201,140, 2020: 226,84724K’00’1051K’20’3060K’40’5070K’60’70107K’80’90167K’00’10227K’20

Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).

Weather by month

Average highs peak around 77°F in summer, and winter lows average 32°F. About 50 inches of rain and melted snow fall in a typical year, with about 11 inches of snow.

Average high and low temperature and precipitation by month near SumasJan: high 44°F, low 32°F, 7 in; Feb: high 48°F, low 33°F, 3.9 in; Mar: high 53°F, low 36°F, 5 in; Apr: high 59°F, low 39°F, 4 in; May: high 66°F, low 45°F, 3.2 in; Jun: high 70°F, low 49°F, 2.4 in; Jul: high 76°F, low 51°F, 1.5 in; Aug: high 77°F, low 50°F, 1.5 in; Sep: high 71°F, low 47°F, 2.9 in; Oct: high 59°F, low 42°F, 5.3 in; Nov: high 49°F, low 36°F, 7.1 in; Dec: high 43°F, low 32°F, 6.2 in44°32°Jan7.048°33°Feb3.953°36°Mar5.059°39°Apr4.066°45°May3.270°49°Jun2.476°51°Jul1.577°50°Aug1.571°47°Sep2.959°42°Oct5.349°36°Nov7.143°32°Dec6.2Rain and melted snow, inches

Source: NOAA 1991–2020 climate normals, Clearbrook, WA weather station (6 miles away).

Jobs in Whatcom County

80,648 jobs at 7,146 businesses in Whatcom County. The biggest industries by employees:

Largest industries in Whatcom CountyHealth care and social assistance: 11,793 jobs; Retail trade: 11,198 jobs; Construction: 9,677 jobs; Hotels and restaurants: 9,657 jobs; Manufacturing: 9,416 jobs; Other services: 4,095 jobs; Administrative and support: 3,949 jobs; Professional services: 3,883 jobsHealth care and social assistance 15% Retail trade 14% Construction 12% Hotels and restaurants 12% Manufacturing 12% Other services 5% Administrative and support 5% Professional services 5%

Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).

Health care

3 doctors and other health care providers list an office in Sumas.

Nearest hospitals

  • Peacehealth St. Joseph Medical CenterGeneral hospital · no emergency room · CMS rating 4 of 5 · Bellingham18.3 miles
  • Peacehealth United General Medical CenterCritical access hospital · emergency room · CMS rating 3 of 5 · Sedro Woolley33.0 miles
  • Island HospitalGeneral hospital · emergency room · CMS rating 4 of 5 · Anacortes37.3 miles

Providers with an office here

Primary care doctors2
Physical and occupational therapists1
Pharmacies2

Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.

Places in and around Sumas

Libraries

  • Sumas Public Library3.0 mi
  • North Fork Community Library4.8 mi

Theaters and performance venues

  • Gallery 7 Theatre3.6 mi

Counts are within about 1 mile of the center of town.

Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.

Schools in Sumas

Public schools here are run by Nooksack Valley School District. Check each district’s attendance zones for a specific address.

Public schools (1)
SchoolGradesStudentsTypeDistance
Sumas ElementarySumasPre-K–5295Public2.9 mi

Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.

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Where Sumas is

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Towns near Sumas

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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.