There are 19 cities in Whatcom County, Washington.

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City
Rank
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Bellingham1101,42291,8713.85%3,66327.69
Ferndale216,57215,1182.26%2,3726.99
Lynden316,40915,8100.72%3,0275.42
Birch Bay411,1429,917 69616.02
Sudden Valley57,1037,407 1,1366.25
Blaine66,0965,8960.64%1,0875.61
Marietta-Alderwood73,3043,463 5625.88
Everson83,1342,9461.26%2,3981.31
Peaceful Valley92,7153,187 16016.96
Geneva102,0962,596 1,9771.06
Sumas111,6791,6101.02%1,1421.47
Nooksack121,5081,480-0.85%2,1510.70
Point Roberts131,2491,100 2564.88
Kendall14959884 1,1800.81
Deming15427174 825.20
Custer16301298 1651.82
Glacier17241142 822.95
Maple Falls18231226 932.48
Acme19113123 186.14
showing: 19 rows

Cities in Whatcom County, Washington by Population (2024)

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?

Acme is the smallest city in Whatcom County.

How many cities are in Whatcom County?

There are 19 cities in Whatcom County, Washington.

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