Ciales was founded on June 24, 1820 by Isidro Rodríguez. The United States took control of Puerto Rico from Spain in the aftermath of the Spanish-American War under the terms of the Treaty of Paris of 1898. In 1899, the United States conducted its first census of Puerto Rico, finding that the population of Ciales was 18,115. The first truss bridge erected in Puerto Rico, after the signing of the Treaty of Paris, is in Ciales. It is over the Río Grande de Manatí and is on the list of National Historic places of Puerto Rico.
struck Puerto Rico on September 20, 2017 leaving all municipalities, including Ciales, without power for months. Three months after the hurricane struck engineers were hoping to have service established at least for the Ciales barrio-pueblo area.
Energy consortium
An Energy Consortium was signed in late February, 2019 by Villalba, Orocovis, Morovis, Ciales and Barranquitas municipalities. The consortium is the first of its kind for the island. It is intended to have municipalities work together to safeguard and create resilient, and efficient energy networks, with backups for their communities. This is part of the hurricane preparedness plan of these municipalities, which were hit particularly hard by Hurricane Maria on September 20, 2017.
Like all municipalities of Puerto Rico, Ciales is subdivided into barrios. The municipal buildings, central square and large Catholic church are located in a barrio referred to as "el pueblo".
Barrios in turn are further subdivided into smaller local populated place areas/units called sectores. The types of sectores may vary, from sector to urbanización to reparto to barriada to residencial, among others.
Special Communities
Of the 742 places on the list of Comunidades Especiales de Puerto Rico, the following barrios, communities, sectors, or neighborhoods were in Ciales: Sector El Hoyo in Pozas, Calle Morovis, Comunidad Los Ortega, Cruces-Cialitos, Parcelas Cordillera, Parcelas María, Parcelas Seguí, Santa Clara, and Toro Negro.
Ciales celebrates its patron saint festival in October. The Fiestas Patronales de Nuestra Señora del Rosario y San Jose is a religious and cultural celebration that generally features parades, games, artisans, amusement rides, regional food, and live entertainment. Other festivals and events celebrated in Ciales include:
The flag is divided into seven unequal stripes described in sequence: yellow, red, yellow, purple, yellow, red, and yellow.
Coat of arms
The coat of arms consists of a gold shield with a lion standing on its rear legs and silver-plated nails grasping a silver coiled parchment between its front claws. The lion also shows a red tongue. Above the lion in the superior part of the shield are located three heraldic roses arranged horizontally with red petals and green leaves. A golden crown of three towers rests on the shield. The three towers are united by walls, simulating masonry blocks. The shield is surrounded by a crown of coffee tree branches with their berries, all in natural colors.
Transportation
There is a public transportation terminal in downtown Ciales.