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San Ildefonso, Coamo, Puerto Rico facts for kids

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San Ildefonso
Barrio
Location of San Ildefonso within the municipality of Coamo shown in red
Location of San Ildefonso within the municipality of Coamo shown in red
San Ildefonso, Coamo, Puerto Rico is located in Caribbean
San Ildefonso, Coamo, Puerto Rico
San Ildefonso, Coamo, Puerto Rico
Location in Caribbean
Commonwealth  Puerto Rico
Municipality Coamo
Area
 • Total 12.41 sq mi (32.1 km2)
 • Land 12.40 sq mi (32.1 km2)
 • Water 0.01 sq mi (0.03 km2)
Elevation
463 ft (141 m)
Population
 (2010)
 • Total 11,427
 • Density 921.5/sq mi (355.8/km2)
  Source: 2010 Census
Time zone UTC−4 (AST)

San Ildefonso is a special area called a barrio. It is located in the town of Coamo, Puerto Rico. In 2010, about 11,427 people lived there.

A Look at San Ildefonso's Past

Puerto Rico became a part of the United States after the Spanish–American War. This happened because of a peace agreement called the Treaty of Paris of 1898. Puerto Rico then became an unincorporated territory. This means it is a U.S. area, but not a state.

In 1899, the United States government counted everyone in Puerto Rico. This count is called a census. The census showed that 1,252 people lived in San Ildefonso barrio at that time.

Historical population
Census Pop.
1900 1,252
1970 5,012
1980 6,742 34.5%
1990 9,288 37.8%
2000 11,427 23.0%
U.S. Decennial Census
1899 (shown as 1900) 1910-1930
1930-1950 1980-2000 2010

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