Daylight through the yearLongest day (Jun 21): 13 h 14 min5:52 am – 7:07 pmShortest day (Dec 21): 11 h 1 min6:55 am – 5:56 pm
Sun todaySunrise –Sunset –
People41,090 residentsin the ZIP code areaMedian age 45.214,285 householdsMedian household income $23,299Median home value $135,500Median rent $586 a month67% of homes owner-occupiedMedian property tax $604 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting9.4% unemployment rate40% of adults are in the labour force, 13,100 employedMain industries: education and health care 21%, retail 19%, manufacturing 11%Average commute 26 minutes84% drive alone, 7% car-pool, 4% walk or cycle, 5% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages24% of adults have a bachelor's degree or higher77% finished high school, 5% hold a graduate degreeLanguages at home: English only 6%, Spanish 94%78% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month September: highs 87°F, lows 73°FColdest month January: highs 81°F, lows 67°F64 in of rain a year, on about 110 dayswettest month MaySnow is rare21 days above 90°F, 0 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Isabela Substn, Pr Rq station, 2 mi away
Earthquakes5,576 of magnitude 3 or more within 50 miles since 1970233 of magnitude 4+, 32 of magnitude 5+Largest: magnitude 6.4 on 7 Jan 202038 mi away, near Indios, Puerto RicoMost recent: magnitude 3.1 on 20 Sep 202645 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Insufficient DataIsabela 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, 58 mi away
Internet at home54% of households have a broadband subscription38% have cable, fibre or DSL13% rely on a mobile data plan alone38% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterIsabelaserves 49,937 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation330 ft101 m above sea levelSource: USGS 3D Elevation Program
