| Shanghai | |
| Settlement Type: | Subbarrio |
| Subdivision Type: | Commonwealth |
| Subdivision Name: |  Puerto Rico |
| Subdivision Type1: | Municipality |
| Subdivision Name1: | San Juan |
| Subdivision Type2: | Barrio |
| Subdivision Name2: | Santurce |
| Population Note: | Source: 2010 United States Census |
| Area Total Sq Mi: | 0.28 |
| Area Land Sq Mi: | 0.27 |
| Area Water Sq Mi: | 0.01 |
| Population Total: | 9438 |
| Population Density Sq Mi: | 34955.6 |
Shanghai is one of the 40 subbarrios of Santurce, a barrio[1] of San Juan, Puerto Rico.
In 2000, Shanghai had a population of 11,331.
In 2010, Shanghai had a population of 9,438 and a population density of 34,955.6 persons per square mile.[2]
Shanghai is a crossover sector in Santurce located north and south of Baldorioty Expressway between Loiza Street (PR-37) and Gilberto Monroig Street. It is surrounded by Isla Verde, Las Marías, Los Corozos Lagoon, Merhoff, Villa Palmeras and Ocean Park Beach.