Fiestas patronales (patron saint festival) 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.

[7] Located across from the central plaza in Adjuntas barrio-pueblo is the Parroquia San Joaquín, a Roman Catholic church which was inaugurated in 1815.

[9] The location of modern-day Adjuntas barrio-pueblo was first settled in the Cidra River valley at the beginning of the 19th century, along an old road that connected Utuado with Ponce and the southern coast of Puerto Rico.

In 1899, the United States Department of War conducted a census of Puerto Rico finding that the population of Adjuntas barrio-pueblo (Pueblo) was 1,963.