Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
ZIP code 00921 covers San Juan zona urbana, PR in San Juan Municipio with a population of about 34,197.
At a glance, the area shows median age of 41.8 versus a U.S. median of about 38.9.
It sits in telephone area codes 787, 939; U.S. House district PR-98.
San Juan zona urbana, PR sits in a university / college context (near university of puerto rico-medical sciences (0.9 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.
Median household income in ZIP 00921 is about $21,797 — about 71% below the U.S. median ($75,149).
On socioeconomic markers, US5 shows a poverty rate of 47.2%; unemployment rate near 17.6%; 33.4% of adults with a bachelor’s degree or higher (roughly in line with the national share (33.7%)).
Labor and commute patterns include leading industry context around Healthcare, Retail trade, and Education; about 4.1% of workers reporting work-from-home (about 11.1 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).
Median home value is about $147,800 — about 58% below the U.S. median home value ($348,079).
Housing tenure and rents show median gross rent around $482 (about 59% below the U.S. median rent ($1,163)), and owner-occupancy near 44.8% (about 20.6 points below the national owner-occupancy rate (65.4%)).
To comfortably buy a median-priced home in ZIP 00921 in San Juan zona urbana, PR, a household would need roughly $41,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $949. That is about 88% above the local median household income ($21,797), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.
Climate normals for San Juan zona urbana, PR show little to no average snow and around 75.9 inches of annual precipitation.
Airport SIG (4.5 miles (7.2 km)) · University of Puerto Rico-Medical Sciences (0.9 miles (1.5 km)) · San Juan National Historic Site (5.6 miles (9.1 km)) · VA: San Juan Vet Center (0.1 miles (0.1 km))
Full lists and map pins are in the Infrastructure section below.