Vega Baja is a town and municipality located on the coast of north central Puerto Rico. It is north of Morovis, east of Manatí, and west of Vega Alta. Vega Baja is spread over 14 barrios. The population of the municipality was 54,414 at the 2020 census. It is part of the San Juan–Caguas–Guaynabo metropolitan statistical area.
