Largo (/lɑːrɡoʊ/) is an unincorporated area and census-designated place in Prince George's County, Maryland, United States.

Watkins Regional Park in Kettering just to the east of Largo (operated by the Maryland-National Capital Park and Planning Commission) has an old-fashioned carousel, miniature train ride, miniature golf, the Old Maryland Farm, a playground, and animals on display.

[5] Largo is not a post office designation, but is at the northern end of the Greater Upper Marlboro ZIP code area.

Since the transit system's expansion in late 2004, Downtown Largo station has served as the eastern end of the Blue and Silver Lines of the Washington Metro.

[6] Arelis R. Hernández of The Washington Post stated in 2015 that "There has been talk for decades of relocating the [Prince George's County] government to Largo".

A spokesperson for Thomas V. Mike Miller Jr., the President of the Maryland Senate, expressed opposition to this idea.

[7] The WMATA (Washington Area Transit Authority), Blue and Silver Lines eastern terminus is Downtown Largo station.

[8] According to the United States Census Bureau, the CDP has a total area of 3.0 square miles (7.8 km2), all land.

As of 2015[update] County Executive Baker held his "Citizen Day" in Largo instead of Upper Marlboro.

[7] Prince George's County Police Department District 2 Station in Brock Hall CDP, with a Bowie postal address, serves the community.