Cities in Whatcom County, Washington by Population (2024)

There are 27 cities in Whatcom County, Washington.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Bellingham1Washington95,66991,8711%3,39328.20
Lynden2Washington16,79715,8131.49%3,0915.43
Ferndale3Washington16,28115,1231.81%2,3177.03
Sedro-Woolley4Washington13,09812,4651.22%3,0134.35
Birch Bay5Washington12,3679,9175.21%72417.08
Sudden Valley6Washington6,8077,407-2.13%1,5914.28
Blaine7Washington6,3425,9001.76%1,1355.59
Marietta-Alderwood8Washington3,1453,463-2.45%5415.82
Everson9Washington3,1122,9471.33%2,0841.49
Peaceful Valley10Washington2,2433,187-9.52%8952.50
Sumas11Washington1,6841,6061.14%1,1481.47
Geneva12Washington1,5962,596-13.54%1,1601.38
Nooksack13Washington1,5591,4791.3%1,7940.87
Point Roberts14Washington1,3271,1003.03%2724.88
Clear Lake15Washington1,1411,1010.88%4222.70
Kendall16Washington1,0178842.94%3702.75
Concrete17Washington782800-0.64%6671.17
Deming18Washington68017422.97%2472.75
Alger19Washington57815022.72%2222.61
Lyman20Washington417423-0.48%6210.67
Glacier21Washington34014217.24%2031.67
Custer22Washington3042980.66%1352.24
Hamilton23Washington293301-0.68%2451.20
Marblemount24Washington26012113.54%703.70
Maple Falls25Washington2362261.29%1102.14
Acme26Washington103123-4.63%691.50
Rockport27Washington67276.35%1840.36
showing: 27 rows

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Whatcom County, Washington?

Bellingham is the largest city in Whatcom County.

What is the smallest city in Whatcom County, Washington?

Rockport is the smallest city in Whatcom County.

How many cities are in Whatcom County?

There are 27 cities in Whatcom County, Washington.

Frequently Asked Questions