Lake Cassidy, Washington

Lake Cassidy, Washington
CDP
Panorama view of Lake Cassidy
Panorama view of Lake Cassidy
Lake Cassidy, Washington is located in Washington (state)
Lake Cassidy, Washington
Lake Cassidy, Washington
Location within Washington (state)
Coordinates: 48°03′58″N 122°04′57″W / 48.06611°N 122.08250°W / 48.06611; -122.08250
CountryUnited States
StateWashington
CountySnohomish
Area
 • Total
10.8 sq mi (27.9 km2)
 • Land10.6 sq mi (27.4 km2)
 • Water0.23 sq mi (0.6 km2)
Elevation
371 ft (113 m)
Population
 (2020)
 • Total
3,757
 • Density355/sq mi (137/km2)
Time zonePacific
Area code360

Lake Cassidy is a census-designated place (CDP) located in Snohomish County, Washington, United States. As of the 2020 census, Lake Cassidy had a population of 3,757.[1]

Geography

Lake Cassidy is located at coordinates 48°03′58″N 122°04′57″W / 48.06611°N 122.08250°W / 48.06611; -122.08250 (48.066044, -122.082433).[2] The elevation is 371 feet.

According to the United States Census Bureau, the CDP has a total area of 10.8 square miles (27.9 km2), of which, 10.6 square miles (27.4 km2) of it is land and 0.2 square miles (0.6 km2) of it (1.98%) is water.

Demographics

Historical population
CensusPop.Note%±
20103,415—
20203,75710.0%
U.S. Decennial Census[3]
2000[4] 2010[5]

Lake Cassidy first appeared as a census designated place in the 2010 U.S. census formed out of part of North Marysville CDP and additional area.[5]

Racial and ethnic composition

Lake Cassidy, Washington – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic) Pop 2010[6] Pop 2020[7] % 2010 % 2020
White alone (NH) 3,023 3,000 88.52% 79.85%
Black or African American alone (NH) 8 16 0.23% 0.43%
Native American or Alaska Native alone (NH) 38 33 1.11% 0.88%
Asian alone (NH) 75 73 2.20% 1.94%
Native Hawaiian or Pacific Islander alone (NH) 5 5 0.15% 0.13%
Other race alone (NH) 0 8 0.00% 0.21%
Mixed race or Multiracial (NH) 102 305 2.99% 8.12%
Hispanic or Latino (any race) 164 317 4.80% 8.44%
Total 3,415 3,757 100.00% 100.00%

2010 census

The population of Lake Cassidy was 3,415 at the 2010 Census. 1,880 people are male. 1,535 are female.[8]

References

  1. ↑ "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved March 13, 2026.
  2. ↑ "US Gazetteer files: 2014". United States Census Bureau. Archived from the original on May 27, 2002. Retrieved May 24, 2015.
  3. ↑ "Decennial Census by Decade". United States Census Bureau.
  4. ↑ "2000 Census of Population - Population and Housing Unit Counts - Washington" (PDF). United States Census Bureau. Archived from the original (PDF) on March 26, 2025 – via Wayback Machine.
  5. 1 2 "2010 Census of Population - Population and Housing Unit Counts - Washington" (PDF). United States Census Bureau. Archived from the original (PDF) on April 24, 2025 – via Wayback Machine.
  6. ↑ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Lake Cassidy, Washington". United States Census Bureau.
  7. ↑ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Lake Cassidy, Washington". United States Census Bureau.
  8. ↑ "Lake Cassidy, Washington". Retrieved August 21, 2014.


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