| San Juan Moderno | |
| Settlement Type: | Subbarrio |
| Subdivision Type: | Commonwealth |
| Subdivision Name: |  Puerto Rico |
| Subdivision Type1: | Municipality |
| Subdivision Name1: | San Juan |
| Subdivision Type2: | Barrio |
| Subdivision Name2: | Santurce |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | .04 |
| Area Land Sq Mi: | .04 |
| Population As Of: | 2010 |
| Population Note: | Source: 2010 Census |
| Population Total: | 925 |
| Population Density Sq Mi: | 23125 |
| Timezone: | AST |
| Utc Offset: | -4 |
| Elevation Ft: | 10 |
| Postal Code Type: | Zip code |
San Juan Moderno is one of the forty subbarrios of Santurce, San Juan, Puerto Rico.
In 2000, San Juan Moderno had a population of 1,083.[1]
In 2010, San Juan Moderno had a population of 925 and a population density of 23,125 persons per square mile.[2]