Daylight through the yearLongest day (Jun 21): 15 h 57 min5:03 am – 9:00 pmShortest day (Dec 21): 8 h 27 min7:44 am – 4:12 pm
Sun todaySunrise –Sunset –
People2,032 residentsin the ZIP code areaMedian age 37.1684 householdsMedian household income $83,125Median home value $374,700Median rent $1,031 a month82% of homes owner-occupiedMedian property tax $2,953 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting1.7% unemployment rate61% of adults are in the labour force, 921 employedMain industries: education and health care 16%, transport, warehousing and utilities 15%, farming, forestry and mining 13%Average commute 30 minutes73% drive alone, 14% car-pool, 4% take public transport, 4% walk or cycle, 6% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages11% of adults have a bachelor's degree or higher74% finished high school, 2% hold a graduate degreeLanguages at home: English only 64%, Spanish 32%, other Indo-European languages 2%, Chinese 2%19% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 88°F, lows 62°FColdest month December: highs 33°F, lows 25°F8 in of rain a year, on about 25 dayswettest month December17 in of snow a year, on about 13 days35 days above 90°F, 111 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Wenatchee Pangborn Ap station, 8 mi away; snow from Wenatchee
Parks and public landsRock Island State Parkpark · 3.1 mi · 154 acresUpper Dry Gulch Natural Area Preservestate conservation land · 6.7 mi · 321 acresWA State Parks Easternstate park · 11.6 miWenatchee National Forestnational forest · 11.8 mi · 1,797,373 acresColockum Game Rangenational conservation area · 12.6 mi · 4,927 acresWenatchee Confluencestate park · 13.6 mi · 231 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes82 of magnitude 3 or more within 50 miles since 19705 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.4 on 20 Dec 197349 mi away, near Othello, WashingtonMost recent: magnitude 3.5 on 18 Nov 201946 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowDouglas County, WA, compared with all US countiesHighest-rated hazardsWildfire Relatively ModerateCold wave Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality80% of days had good air in 2025291 of 365 days measured71 moderate, 2 unhealthy for sensitive groups, 1 unhealthy daysMedian index 28, worst day 154main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Grant County, WA, 30 mi away
Internet at home85% of households have a broadband subscription69% have cable, fibre or DSL10% rely on a mobile data plan alone13% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterCity of Rock Island Water Deptserves 3,226 people from ground waterNo health-based violations since 20212 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation2,479 ft756 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalCentral Washington Hospital13.2 miPost officeRock Island Post Office5.3 miTown hallRock Island City Hall5.3 miFire stationDouglas County Fire District 2 Station 35.3 miSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeWenatchee Valley College14.0 miSource: USGS National Structures Dataset
Distances in these cards are measured from the centre of the 98850 ZIP area.