Boulevard is a census-designated place (CDP)[2] in the Mountain Empire area of southeastern San Diego County, California.

The area is rural high desert along the Mexican border near the eastern extent of San Diego County.

The Boulevard area encompasses the communities of Manzanita, Live Oak Springs and Tierra Del Sol.

The Kumeyaay and Cocopah Indians were Boulevard's earliest inhabitants, and the area is rich in Native American history, culture and archeological resources.

[9][10] According to the United States Census Bureau, the CDP covers an area of 3.9 square miles (10.1 km2), all land.

The Boulevard Community Planning Group includes approximately 55,350 acres, or about 86 square miles.

[11] Located in the East County section of San Diego County, Boulevard with its unique transitional location straddles the Tecate Divide, between the Laguna Mountains above and the desert below, providing views of the surrounding Laguna, In-Ko-Pah and Sierra de Juarez mountains.

[13] Regulatory filings show a California Department of Transportation facility described as a highway maintenance station in Boulevard.

At the federal level, Boulevard is in California's 48th congressional district, represented by Republican Darrell Issa.

San Diego MTS route 888 provides service on Mondays and Fridays between El Cajon, Boulevard, and Jacumba Hot Springs.

[33] The Alfred Hitchcock Hour episode "Goodbye, George" involves a road trip along Highway 80 through Boulevard.