Toa Alta is a town and municipality located on the northern coast of Puerto Rico. It is situated north of Naranjito, south of Dorado and Toa Baja, east of Vega Alta and Corozal, and west of Bayamón. The municipality is part of the San Juan-Caguas-Guaynabo metropolitan statistical area.
The town is organized into eight barrios and Toa Alta Pueblo, with a total population of 66,852 as of 2020. Notable geographical features include the Río de la Plata, a large river that runs through the municipality. The community celebrates its patron saint festival annually in May.