Sunday Lake is a census-designated place (CDP) in Snohomish County, Washington, United States. The population was 640 at the 2010 census.

Sunday Lake, Washington
CDP
Sunday Lake, Washington Location of Sunday Lake, Washington.
Coordinates: 48°13′49″N 122°16′4″W
Country	United States
State	Washington
County	Snohomish
Area
• Total	1.79 sq mi (4.65 km2)
• Land	1.73 sq mi (4.48 km2)
• Water	0.06 sq mi (0.17 km2)
Population  (2010)
• Total	640
• Density	369.9/sq mi (142.8/km2)
Time zone	UTC-8 (Pacific (PST))
• Summer (DST)	UTC-7 (PDT)
GNIS feature ID	2585044[1]

Geography

Sunday Lake is located at 48°13′49″N 122°16′4″W (48.230172, -122.267664).[2]

According to the United States Census Bureau, the CDP has a total area of 1.79 square miles (4.65 km²), of which, 1.73 square miles (4.48 km²) is land and 0.06 square miles (0.17 km²; 3.57%) is water.

References