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 –
People23,417 residentsin the ZIP code areaMedian age 37.111,009 householdsMedian household income $135,635Median home value $1,277,800Median rent $2,574 a month44% of homes owner-occupiedMedian property tax $8,674 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting6.3% unemployment rate72% of adults are in the labour force, 13,749 employedMain industries: education and health care 21%, professional and business services 21%, finance, insurance and real estate 13%Average commute 32 minutes52% drive alone, 9% car-pool, 7% take public transport, 5% walk or cycle, 27% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages71% of adults have a bachelor's degree or higher98% finished high school, 32% hold a graduate degreeLanguages at home: English only 73%, Spanish 8%, other Asian or Pacific languages 4%, other Indo-European languages 4%9% 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, 6 mi away
Nearby landmarksLivorna Staging Area, Diablo Foothills Regional Park trailheadpark · 1.9 miBlack Pointpeak · 4.5 miSugarloaf Hillpeak · 1.3 miSulfur Springspring · 2.5 miCA State Parks Trailheadtrailhead · 3.6 miNational University - Pleasant Hill Campuscollege · 4.8 miSource: USGS Geographic Names Information System
Parks and public landsShell Ridge Open Spacerecreation area · under a mile · 1,364 acresMount Diablo State Parkstate park · 2.8 mi · 301 acresLar Rieu Parkpark · under a mileFarm Service Agency Interest Of Canational wildlife refuge · 5.0 mi · 198 acresEugene O'Neill National Historic Sitehistoric site · 4.3 miJohn Muir National Historic Sitehistoric site · 7.9 mi · 338 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes954 of magnitude 3 or more within 50 miles since 197096 of magnitude 4+, 10 of magnitude 5+Largest: magnitude 6.2 on 24 Apr 198445 mi away, The 1984 Morgan Hill, CaliforniaMost recent: magnitude 3.1 on 12 Sep 202612 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, 27 mi away
Internet at home99% of households have a broadband subscription89% have cable, fibre or DSL9% rely on a mobile data plan alone1% 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
Elevation252 ft77 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalJohn Muir Medical Center1.7 miPost officeWalnut Creek Post Office1.9 miTown hallWalnut Creek City Hall1.6 miPoliceWalnut Creek Police Department1.6 miFire stationContra Costa County Fire Protection District Station 4under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi10 schools5 elementary, 1 middle, 2 high, 2 otherElementaryWalnut Heights Elementary Schoolunder a mileElementaryMurwood Elementary Schoolunder a mileElementaryIndian Valley Elementary Schoolunder a mileCollegeNational University - Pleasant Hill Campus4.8 miSource: USGS National Structures Dataset
Getting aroundAirportBuchanan Field CCR7.0 miMajor airportOakland San Francisco Bay Airport OAK15 miInterstateI-680under a mileUS highwayUS 10122 miAmtrakMartinez, CA MTZ11 miSubwayWalnut CreekBay Area Rapid Transit (BART)2.0 miCoachMartinezAmtrak Chartered Vehicle11 miTransit37 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 94596 ZIP area.
