Daylight through the yearLongest day (Jun 21): 13 h 14 min5:49 am – 7:03 pmShortest day (Dec 21): 11 h 2 min6:51 am – 5:53 pm
Sun todaySunrise –Sunset –
People3,633 residentsin the ZIP code areaMedian age 60.22,005 householdsMedian household income $58,869Median home value $226,500Median rent $1,005 a month78% of homes owner-occupiedMedian property tax $1,008 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting0.0% unemployment rate47% of adults are in the labour force, 1,588 employedMain industries: education and health care 29%, professional and business services 22%, retail 11%Average commute 27 minutes76% drive alone, 7% car-pool, 1% take public transport, 12% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages76% of adults have a bachelor's degree or higher93% finished high school, 40% hold a graduate degreeLanguages at home: English only 6%, Spanish 92%, Chinese 1%45% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month August: highs 90°F, lows 73°FColdest month January: highs 85°F, lows 66°F76 in of rain a yearwettest month NovemberSnow is rare155 days above 90°F, 0 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Rio Piedras Exp Stn, Pr Rq station, 3 mi away; snow from San Juan L M Marin Ap, Pr Rq
Earthquakes1,767 of magnitude 3 or more within 50 miles since 197043 of magnitude 4+, 4 of magnitude 5+Largest: magnitude 5.1 on 24 Dec 201010 mi away, near Aguas Buenas, Puerto RicoMost recent: magnitude 3.1 on 20 Sep 202646 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Insufficient DataSan Juan Municipio, PR, compared with all US countiesSource: FEMA National Risk Index (county level)
Air quality61% of days had good air in 2025209 of 345 days measured136 moderate daysMedian index 45, worst day 99main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Catano County, PR, 3 mi away
Internet at home86% of households have a broadband subscription62% have cable, fibre or DSL22% rely on a mobile data plan alone10% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterUs Army, Fort Buchananserves 6,411 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation56 ft17 m above sea levelSource: USGS 3D Elevation Program
