Fiestas patronales (patron saint festivals) are held in the central plaza every year.

These Spanish regulations also stated that the streets nearby should be comfortable portals for passersby, protecting them from the elements: sun and rain.

The settlement that is today Vega Baja barrio-pueblo (downtown Vega Baja) was first founded in 1776 as Vega-Baxa del Naranjal de Nuestra Señora del Rosario by Don Antonio Viera in an area originally owned by Don Manuel Negrón Benítez.

[20] The famous Casa Alonso is a good example of the Neoclassical vernacular style developed by sugarcane plantation owners in the downtown area during this time.

In 1899, the United States Department of War conducted a census of Puerto Rico finding that the population of Pueblo was 2,288.