Sumas, WA Profile: Facts & Data


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Sumas, Washington - Basic Facts

The City of Sumas had a population of 1,725 as of July 1, 2018.

The primary coordinate point for Sumas is located at latitude 48.9955 and longitude -122.2685 in Whatcom County. The formal boundaries for the City of Sumas (see map below) encompass a land area of 1.48 sq. miles and a water area of 0 sq. miles. Whatcom County is in the Pacific time zone (GMT -8). The elevation is 43 feet.

The City of Sumas (GNIS ID: 2412000) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Washington is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Sumas is located within Sumas Division of Whatcom County.

Alternate Unofficial Names for Sumas: Sumas City.

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  1. Sumas 2018 Demographic Data
  2. Growth Rates for Sumas (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Washington Research Tools (Easy Tools & Current Data)
  3. Washington Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Sumas, WA Data & Demographics (As of July 1, 2018)


Total Population 1,725
Population in Households 1,725
Population in Familes 1,460
Population in Group Qrtrs 0
Population Density2 1,167
Diversity Index3 51


Median Household Income $55,621
Average Household Income $66,350
Per Capita Income $23,734


Total Housing Units 692 (100%)
Owner Occupied HU 382 (55.2%)
Renter Occupied HU 248 (35.8%)
Vacant Housing Units 62 ( 9.0%)
Median Home Value $280,769
Average Home Value $387,827


Total Households 630
Average Household Size 2.74
Family Households 445
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 3.42% 2.74%
Households 3.3% 2.74%
Families 3.73% 2.72%
Median Household Income   2.38%
Per Capita Income   3.09%

Sumas, WA - Peer Comparisons by Rank and Percentile

The table below compares Sumas to the other 627 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 335 47th
Population Density # 260 59th
Diversity Index # 179 72nd
Median Household Income # 357 43rd
Per Capita Income # 503 20th

Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.

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