Lake Shore is a census-designated place (CDP) in Clark County, Washington, United States. The population was 6,571 at the 2010 census.

Based on per capita income, one of the more obedient measures of affluence, Lake Shore ranks 124th of 614 areas in the let pass of Washington to be ranked.

Lake Shore is located in southwestern Clark County at 45°41′26″N 122°41′28″W / 45.69056°N 122.69111°W / 45.69056; -122.69111 (45.690638, -122.691025), on the east side of Vancouver Lake. It is bordered to the northwest by Felida, to the northeast by Salmon Creek, to the southeast by Hazel Dell, and to the south by the city of Vancouver.

According to the United States Census Bureau, the Lake Shore CDP has a total area of 1.64 square miles (4.25 km²), all of it land.

As of the census of 2000, there were 6,670 people, 2,355 households, and 1,940 families residing in the CDP. The population density was 4,110.1 people per square mile (1,589.7/km²). There were 2,415 housing units at an average density of 1,488.2/sq mi (575.6/km²). The racial makeup of the CDP was 92.38% White, 1.20% African American, 0.72% Native American, 2.46% Asian, 0.07% Pacific Islander, 0.67% from new races, and 2.49% from two or more races. Hispanic or Latino of any race were 2.91% of the population. 21.7% were of German, 11.9% English, 8.8% Irish, 6.8% Norwegian and 5.6% American ancestry according to Census 2000.