Municipio Autónomo de Humacao
Downtown Humacao from its city hall.
"La Perla del Oriente", "La Cuidad Gris", "Roye Huesos"
|Anthem: "Humacao, Hijo del Taíno Bravío"|
Location of Humacao in Puerto Rico
HUMACAO PUERTO RICO Latitude and Longitude:
|• Mayor||Marcelo Trujillo Panisse (Partido Popular Democrático)|
|• Senatorial dist.||7 - Humacao|
|• Representative dist.||35|
|• Total||55.46 sq mi (143.63 km2)|
|• Land||45 sq mi (117 km2)|
|• Water||10.28 sq mi (26.63 km2)|
|• Density||1,100/sq mi (410/km2)|
( 2000 Census) 
0.4% American Indian/ An
0.0% Native Hawaiian/ Pi
9.7% Some other race
6.9% Two or more races
|Time zone||UTC-4 ( AST)|
00791, 00792, 00741
Humacao (Spanish pronunciation: [umaˈka.o]) is a municipality in Puerto Rico (U.S.) located in the eastern coast of the island, north of Yabucoa; south of Naguabo; east of Las Piedras; and west of Vieques Passage. Humacao is spread over 10 wards and Humacao Pueblo (The downtown area and the administrative center of the city). It is part of the San Juan-Caguas-Guaynabo Metropolitan Statistical Area.
The region of what is now Humacao belonged to the Taíno region of Jumaca, which covered a portion of the southeast coast of Puerto Rico.  The region was led by cacique Jumacao (also referred to as "Macao").  The Taíno settlement was located on the shores of what is called now the Humacao River. It is believed that the Taíno chief Jumacao was the first "cacique" to learn to read and write in Spanish, since he wrote a letter to the King of Spain Charles I complaining about how the Governor of the island wasn't complying with their peace agreement. In the letter, Jumacao argued that their people were virtually prisoners of Spain. It is said that King Charles was so moved by the letter that he ordered the Governor to obey the terms of the treaty.  
During the early 16th Century, the region was populated by cattle ranchers. However, since most of them officially resided in San Juan, a settlement was never officially organized. At the beginning of the 18th Century, specifically around 1721–1722, the first official settlement was constituted in the area. Most of the residents at the time were immigrants from the Canary Islands, but due to attacks from Caribs, pirates, and other settlers, some of them moved farther into the island in what is now Las Piedras.  Still, some settlers remained and by 1776, historian Fray Íñigo Abbad y Lasierra visited the area and wrote about the population there. By 1793, the church was recognized as parish and the settlement was officially recognized as town. 
By 1894, Humacao was recognized as a city. Due to its thriving population, buildings and structures like a hospital, a theater, and a prison were built in the city. In 1899, after the United States invasion of the island as a result of the Spanish–American War, the town of Las Piedras was annexed to Humacao. This lasted until 1914, when the Legislative Assembly of Puerto Rico voted on splitting both towns again. 
Humacao has been led by mayor Marcelo Trujillo Panisse for over a decade. A basketball star in his early years, Trujillo has pushed for the development of infrastructure facilities for sports and the fine arts in the city. On March, 2008, a new Roman Catholic diocese was established as the Fajardo-Humacao diocese. Its first bishop is Monsignor Eusebio 'Chebito' Ramos Morales, a maunabeño who was rector of the Humacao's main parish in the 1990s.
Humacao  is located in the southeast coast of Puerto Rico. It is bordered by the municipalities of Naguabo to the north, Yabucoa to the south, and Las Piedras to the west. The Atlantic Ocean borders the city in the east. Humacao is located in the region of the Eastern Coastal Plains, with most of its territory being flat. There are minor elevations to the southwest, like Candelero Hill, and northwest, like Mabú. Humacao's territory covers 45 square miles (117 km2).  Two islands belong to Humacao: Cayo Santiago and Cayo Batata.
Due to its location on the coast and relative short distance from the capital, Humacao is a frequent stop for tourists. One of the most notable tourist mainstays is the Palmas del Mar resort, which is the island's largest resort. This megaresort is composed of over 3,000 acres (12 km2) of land and occupies the entire south eastern portion of the municipal territory. The resort contains over 20 tennis courts, two world-class golf courses, beaches, several restaurants and a riding center.
Aside of the beaches in Palmas del Mar resort, Humacao has several other beaches. Among the most popular ones are Punta Santiago, Buena Vista, Punta Candelero, and El Morrillo. 
The Fiesta patronal dedicated to the Immaculate Conception is held at the beginning of December. It has lost most of its religious content to become a festival of live music, food, drinks and verbenas.
The Breadfruit Festival (Festival de la Pana) is celebrated during the first weekend of September. It is organized by the Mariana's Recreational and Cultural Association (ARECMA), a community organization of the Barrio Mariana. Its main theme is about the preparation of dishes whose main ingredient is breadfruit. Typical Puerto Rican music, crafts and foods as well as other cultural and sports activities can also be enjoyed. Most years it has been held at one of the highest places of the sector with views to Humacao, Las Piedras, Naguabo, Vieques and Yabucoa.
The Grises basketball team ( Humacao Grays), founded in 2005, belongs to Puerto Rico's National Superior Basketball league. In 2010, they changed their name to the Caciques de Humacao. They play on the new Humacao Coliseum.
The Grises is also a Double A class amateur baseball team that has won one championship (1951) and four time runners-up in (1950, 1960, 1965 and 1967).
Like all municipalities in Puerto Rico, Humacao is administered by a mayor. The current mayor is Marcelo Trujillo, from the Popular Democratic Party (PPD). Trujillo was elected at the 2000 general election.
Humacao has three secondary care hospitals HIMA-San Pablo Humacao, Dr. Domínguez (Hospital Oriente), and Ryder Memorial Hospital.
It consists of three horizontal stripes: gold that stands for Chief Jumacao's crown, red that symbolizes the coat of arms and the green that represents the arrows used by the Taínos.
The coat of arms consists of two colors, gold and green. The gold represents the sun, Humacao is located in the island were the sun rises. Green symbolizes the native Indian heritage as well as the natural tropical valley where the city is located. The shield itself represents Humacao's native and Indian name origin.
Humacao is served by two freeways and one tolled expressway, therefore is one of a few cities in Puerto Rico with good access. Puerto Rico Highway 30, Autopista Cruz Ortiz Stella, serves as the main highway coming from the west (Caguas, Las Piedras), while Puerto Rico Highway 53 serves from the north (Fajardo, Naguabo) and south (Yabucoa). Puerto Rico Highway 60, the Carretera Dionisio Casillas, is a short freeway located entirely in Humacao, and has exits serving downtown Humacao and Anton Ruiz.
Puerto Rico Highway 3, the main highway bordering the east coastline of Puerto Rico from San Juan, passes through Humacao and has its only alt route in the town, known locally as the Bulevar del Rio (River Boulevard) where it has access to the main judiciary center of the city, as well as a future theatre that is being built, the Centro de Bellas Artes de Humacao (Humacao Fine Arts Center). The alt route allows people to pass by the downtown area, as PR-3 enters into the downtown and business center of the town.
Puerto Rico Highway 908 is another important highway, which begins at PR-3 and intersects PR-30 and has access to the University of Puerto Rico at Humacao, as well as some main schools.
Humacao, together with San Juan and Salinas, is one of three municipalities in Puerto Rico that has controlled-access highways leaving its boundaries in all directions (in this case north to Naguabo and south to Yabucoa via PR-53 and west to Las Piedras via PR-30)
There are 68 bridges in Humacao. 
There are various elementary and high school facilities, three of which were recognized by the Middle States Association of Secondary Schools and each has its own National Honor Society chapters.
The University of Puerto Rico at Humacao, formerly the CUH, educates over 4,000 students and is well known for its sciences, producing many of the island's most skilled microbiologists, marine biologists, wildlife biologists and chemists at the undergraduate level. It also manages an astronomical observatory where many tourists and locals come visit and view the stars and planets and the Museo Casa Roig where arts expositions and cultural events are celebrated.
- Rita Moreno, Academy Award-winning actress
- Edwin Núñez, Professional Baseball player
- Pedro Conga, Salsa singer
- Luis Rafael Sánchez, novelist and author
- Eddie Miró, TV personality
- Julio M. Fuentes, US Circuit Court Judge
- Tito Rojas, Salsa singer
- Adamari López, actress
- Cosculluela, rapper, songwriter
- Eladio Carrión, rapper, songwriter
- Jumacao, Taino Cacique
- Benito Pastoriza Iyodo, poet, narrator and essayist
- Carlos Ponce, actor
- Luis Antonio "Yoyo Boing" Rivera, actor and comedian
- Jerry Rivera, singer and dancer
- Junior Ortiz, former Major League Baseball player
- Raul Casanova, former Major League Baseball player
- Rafael Orellano, former professional baseball player
- Jantony Ortiz, Professional Boxer
- German Peña-Plaza, Music Teacher, conductor
- José Estrada Jr., Former professional wrestler
- "Ethnicity 2000 census" (PDF).
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- Schimmer, Russell (2010). "Genocide Studies Program: Puerto Rico". Yale University. Archived from the original on May 20, 2013. Retrieved April 13, 2014.
- "El agua del paraíso (Spanish Edition)"; by: Benito Pastoriza Iyodo; Publisher: Xlibris (April 21, 2008); ISBN 1-4363-2567-6; ISBN 978-1-4363-2567-7[ self-published source]
- "Enciclopedia de Puerto Rico: Humacao - Fundación e historia". Retrieved April 14, 2014.
- "Humacao Municipality - Municipalities - EnciclopediaPR". Fundación Puertorriqueña de las Humanidades (FPH).
- Picó, Rafael; Buitrago de Santiago, Zayda; Berrios, Hector H. Nueva geografía de Puerto Rico: física, económica, y social, por Rafael Picó. Con la colaboración de Zayda Buitrago de Santiago y Héctor H. Berrios. San Juan Editorial Universitaria, Universidad de Puerto Rico,1969.
- Gwillim Law (20 May 2015). Administrative Subdivisions of Countries: A Comprehensive World Reference, 1900 through 1998. McFarland. p. 300. ISBN 978-1-4766-0447-3. Retrieved 25 December 2018.
- Puerto Rico:2010:population and housing unit counts.pdf (PDF). U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau. 2010.
- "Map of Humacao at the Wayback Machine" (PDF). Retrieved 2018-12-29.
- "Observatorio Astronómico". Universidad de Puerto Rico en Humacao. Retrieved April 15, 2014.
- "Se acabó la espera: reabre sus puertas Burlington en Humacao" (in Spanish). El Oriental PR. 15 March 2019.
- Elecciones Generales 2012: Escrutinio General Archived 2013-01-15 at the Wayback Machine on CEEPUR
- "Humacao Bridges". National Bridge Inventory Data. US Dept. of Transportation. Retrieved 19 February 2019.