Daylight through the yearLongest day (Jun 21): 14 h 48 min5:46 am – 8:33 pmShortest day (Dec 21): 9 h 32 min7:20 am – 4:52 pm
Sun todaySunrise –Sunset –
People16,988 residentsin the ZIP code areaMedian age 69.29,368 householdsMedian household income $100,552Median home value $860,600Median rent $2,557 a month82% of homes owner-occupiedMedian property tax $6,314 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting5.9% unemployment rate35% of adults are in the labour force, 5,082 employedMain industries: education and health care 27%, professional and business services 24%, finance, insurance and real estate 13%Average commute 28 minutes52% drive alone, 7% car-pool, 4% take public transport, 1% walk or cycle, 35% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages70% of adults have a bachelor's degree or higher98% finished high school, 32% hold a graduate degreeLanguages at home: English only 78%, Spanish 7%, other Indo-European languages 5%, Chinese 3%6% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month August: highs 83°F, lows 61°FColdest month December: highs 53°F, lows 41°F26 in of rain a year, on about 45 dayswettest month December1 in of snow a year, on about 0 days27 days above 90°F, 19 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Mt Diablo Junction station, 8 mi away
Nearby landmarksSaint Mary's College of Californiacollege · 3.0 miCastle Hillpeak · 1.2 miLivorna Staging Area, Diablo Foothills Regional Park trailheadpark · 3.2 miSugarloaf Hillpeak · 1.8 miLeland Reservoirreservoir · 1.9 miFay Hill Reservoirreservoir · 2.8 miSource: USGS Geographic Names Information System
Parks and public landsOld Oak Parkpark · under a mileSugarloaf Recreation Arearecreation area · 1.4 mi · 185 acresMount Diablo State Parkstate park · 4.5 mi · 301 acresEugene O'Neill National Historic Sitehistoric site · 3.8 miFarm Service Agency Interest Of Canational wildlife refuge · 7.1 mi · 198 acresJohn Muir National Historic Sitehistoric site · 8.0 mi · 338 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes968 of magnitude 3 or more within 50 miles since 197099 of magnitude 4+, 10 of magnitude 5+Largest: magnitude 6.2 on 24 Apr 198444 mi away, The 1984 Morgan Hill, CaliforniaMost recent: magnitude 3.1 on 12 Sep 202614 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very HighContra Costa County, CA, compared with all US countiesHigher-risk hazardsRiver flooding Very HighEarthquake Relatively HighLandslide Relatively HighHeat wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality99% of days had good air in 2025353 of 356 days measured3 moderate daysMedian index 33, worst day 61main pollutant: ozoneSource: US EPA Air Quality Index, nearest monitors: Solano County, CA, 28 mi away
Internet at home93% of households have a broadband subscription84% have cable, fibre or DSL8% rely on a mobile data plan alone3% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterCasa Medanos Water Systemserves 45 people from ground waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation519 ft158 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalJohn Muir Medical Center3.2 miPost officeRossmoor Post Officeunder a mileTown hallWalnut Creek City Hall2.1 miPoliceWalnut Creek Police Department2.1 miFire stationContra Costa County Fire Protection District Station 3under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi8 schools3 elementary, 1 high, 4 otherSchoolAcalanes Adult Schoolunder a mileElementaryParkmead Elementary School1.1 miSchoolTice Creek School1.1 miCollegeSaint Mary's College of California3.0 miSource: USGS National Structures Dataset
Getting aroundAirportBuchanan Field CCR8.2 miMajor airportOakland San Francisco Bay Airport OAK13 miInterstateI-6801.2 miUS highwayUS 10120 miAmtrakMartinez, CA MTZ11 miSubwayMain Entrance / ExitBay Area Rapid Transit (BART)2.3 miCoachMartinezAmtrak Chartered Vehicle11 miTransit16 stops within a mileCounty ConnectionSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 94595 ZIP area.
