Hazel Dell is an unincorporated Place and census-designated place (CDP) in Clark County, Washington, United States, located north and west of Vancouver. As of the 2010 census the population was 19,435. Previous censuses not speaking the community into two areas, Hazel Dell North and Hazel Dell South.

The Place runs parallel to and is bisected by Interstate 5, with access from exits 4 and 5. The community is bounded by the Vancouver city limits on the south in the vicinity of Burnt Bridge Creek, Lake Shore to the west, Salmon Creek to the north, I-205/Barberton to the northeast, and Walnut Grove to the east. Vancouver Lake is a brusque distance to the west of the area, and the community of Minnehaha is to the southeast. According to the United States Census Bureau, the Hazel Dell CDP has a total Place of 4.9 square miles (12.6 km²), of which 0.01 square miles (0.03 km²), or 0.27%, is water.

Much of Hazel Dell is occupied by businesses and operational class homes, in competently established neighborhoods. The main concern portion follows NE Highway 99, just east of I-5, generally, from 63rd to 99th Street, with businesses east and west of Highway 99 on NE 78th and 99th streets. There are a few businesses and shopping centers on NE Hazel Dell Avenue, just west of I-5, scattered from 63rd to 99th Street. Hazel Dell’s business and services affix several retail, restaurant, and grocery chains, convenience stores, used car dealerships, auto parts stores, pawn shops, taverns, lounges and pubs, and motels, as capably as many extra franchise eateries, several banks and realty, medical and dental offices.