Lakeside is a city in Coos County, Oregon, United States. The population was 1,371 at the 2000 census.
According to the United States Census Bureau, the city has a total area of 2.3 square miles (5.9 km²), of which, 2.0 square miles (5.1 km²) of it is land and 0.3 square miles (0.8 km²) of it (13.16%) is water.
As of the census of 2000, there were 1,371 people, 649 households, and 436 families residing in the city. The population density was 692.7 people per square mile (267.3/km²). There were 764 housing units at an average density of 386.0 per square mile (149.0/km²). The racial makeup of the city was 93.73% White, 0.15% African American, 1.75% Native American, 0.44% Asian, 0.07% Pacific Islander, 0.95% from other races, and 2.92% from two or more races. Hispanic or Latino of any race were 2.55% of the population.