Local servicesHospitalAdventist Health Saint Helena Hospital3.4 miPost officeAngwin Post Office1.1 miTown hallSt Helena City Hall5.7 miPoliceNapa County Sheriff's Office Angwin Regional Officeunder a mileFire stationNapa County Fire Department Station 18 - Angwinunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi2 schools2 elementaryElementaryHowell Mountain Elementary Schoolunder a mileElementaryPacific Union College Elementary School1.4 miCollegePacific Union College1.1 miSource: USGS National Structures Dataset
Getting aroundAirportCharles M. Schulz Sonoma County Airport STS21 miMajor airportSacramento International Airport SMF47 miInterstateI-50527 miUS highwayUS 10117 miAmtrakSuisun-Fairfield, CA SUI32 miCoachSanta Rosa Amtrak Bus StopAmtrak Chartered Vehicle18 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 94508 ZIP area.
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Local Information
Distances in these cards are measured from the centre of the 94508 ZIP area.
Daylight through the yearLongest day (Jun 21): 14 h 52 min5:45 am – 8:37 pmShortest day (Dec 21): 9 h 28 min7:23 am – 4:52 pm
Sun todaySunrise –Sunset –
People3,495 residentsin the ZIP code areaMedian age 32.51,034 householdsMedian household income $116,667Median home value $775,600Median rent $1,605 a month62% of homes owner-occupiedMedian property tax $5,787 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting6.4% unemployment rate68% of adults are in the labour force, 1,945 employedMain industries: education and health care 46%, farming, forestry and mining 9%, professional and business services 9%Average commute 18 minutes64% drive alone, 8% car-pool, 11% walk or cycle, 16% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages55% of adults have a bachelor's degree or higher93% finished high school, 27% hold a graduate degreeLanguages at home: English only 77%, Spanish 13%, Korean 2%, Chinese 2%9% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 85°F, lows 54°FColdest month December: highs 53°F, lows 39°F40 in of rain a year, on about 53 dayswettest month DecemberSnow is rare27 days above 90°F, 15 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Angwin Pacific Union College station; snow from Saint Helena
Nearby landmarksHowell Mountainpeak · under a milePacific Union Collegecollege · 1.1 miLake Hennelake · 1.0 miRed Lakelake · 1.0 miInspiration Pointpeak · 1.4 miLinda Fallswaterfall · 2.1 miSource: USGS Geographic Names Information System
Parks and public landsBothe-Napa Valley State Parkstate park · 5.1 mi · 1,884 acresBale Grist Mill State Historic Parkstate historic site · 4.7 miCedar Roughs Wildlife Areastate conservation land · 5.9 mi · 98 acresRobert Louis Stevenson State Parkstate park · 8.2 mi · 5,125 acresSugarloaf Ridge State Parkstate park · 8.4 mi · 4,059 acresCrane Parkpark · 6.4 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes1,240 of magnitude 3 or more within 50 miles since 1970103 of magnitude 4+, 2 of magnitude 5+Largest: magnitude 6.0 on 24 Aug 201427 mi away, The 2014 South Napa, CaliforniaMost recent: magnitude 3.3 on 3 Sep 202616 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighNapa County, CA, compared with all US countiesHigher-risk hazardsDrought Very HighLandslide Relatively HighEarthquake Relatively HighRiver flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality100% of days had good air in 2025365 of 365 days measuredNo moderate or unhealthy daysMedian index 9, worst day 39main pollutant: coarse particles (PM10)Source: US EPA Air Quality Index, nearest monitors: Sonoma County, CA, 26 mi away
Internet at home97% of households have a broadband subscription70% have cable, fibre or DSL12% rely on a mobile data plan alone1% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterPacific Union Collegeserves 1,958 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,858 ft566 m above sea levelSource: USGS 3D Elevation Program
