Quick answer
- Population (2020 Census): 342,259.
- Directory: eat · stay · tours · attractions.
- Claim: add your business.
San Juan at a glance
| Municipality | San Juan |
| 2020 Census population | 342,259 |
| FIPS (county-equivalent) | 72127 |
Capital municipality on the north coast; Old San Juan, Condado and the metro core sit here. Population is the 2020 Census municipio total (public aggregate figure). This page does not publish personal information about residents or officials.
Find local businesses
Places to eat · places to stay · tours · attractions · shops · services.
Own a business in San Juan? Add your free listing.
More
All municipalities · Events · Live conditions · Calculators.
Frequently asked questions
What is San Juan’s 2020 population?
342,259 (U.S. Census 2020).
Do you list private phone numbers of officials?
No. These sheets use public aggregate Census data and directory links only.
How do I list my business?
Go to /add-your-business.
Sources we checked
Checked in October 2026. Where a fact could not be confirmed against a primary source, we removed it or said so.
Originally published on PuertoRico.com (2026-10-29). Reviewed and updated October 2026: facts were checked against the sources above.