Lewisville is a census-designated place (CDP) in Clark County, Washington, United States.

[4] Lewisville is located in central Clark County and is bordered to the southeast by Venersborg, to the southwest by the city of Battle Ground, and for a small distance on the west by Cherry Grove.

[5] As of the census[3] of 2000, there were 1,688 people, 552 households, and 476 families residing in the CDP.

19.5% were of German, 13.9% English, 8.2% Norwegian, 7.5% Irish, 7.5% American, 6.8% Swedish and 5.9% Finnish ancestry according to Census 2000.

10.0% of all households were made up of individuals, and 3.8% had someone living alone who was 65 years of age or older.