Daylight through the yearLongest day (Jun 21): 14 h 48 min5:45 am – 8:33 pmShortest day (Dec 21): 9 h 32 min7:19 am – 4:51 pm
Sun todaySunrise –Sunset –
People12,316 residentsin the ZIP code areaMedian age 43.04,511 householdsMedian household income $168,921Median home value $1,032,100Median rent $3,500+ a month89% of homes owner-occupiedMedian property tax $8,312 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting7.2% unemployment rate63% of adults are in the labour force, 5,682 employedMain industries: education and health care 22%, professional and business services 20%, finance, insurance and real estate 9%Average commute 38 minutes68% drive alone, 7% car-pool, 1% take public transport, 2% walk or cycle, 21% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages58% of adults have a bachelor's degree or higher99% finished high school, 19% hold a graduate degreeLanguages at home: English only 89%, other Indo-European languages 3%, Spanish 3%, Chinese 2%3% 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, 2 mi away
Nearby landmarksTwin Peakspeak · 2.8 miMount Olympiapeak · under a mileSummit Visitor Centervisitor center · 1.3 miCA State Parks Trailheadtrailhead · 1.3 miSycamore Springspring · under a mileMimulus Springspring · 1.0 miSource: USGS Geographic Names Information System
Parks and public landsMount Diablo State Parkstate park · within reach · 18,542 acresFarm Service Agency Interest Of Canational wildlife refuge · 5.0 mi · 198 acresClayton Community Parkpark · 2.9 miCity of Clayton Open Spacerecreation area · 3.2 mi · 434 acresEugene O'Neill National Historic Sitehistoric site · 8.5 miAntioch Dunes National Wildlife Refugenational wildlife refuge · 10.0 mi · 52 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes939 of magnitude 3 or more within 50 miles since 197092 of magnitude 4+, 10 of magnitude 5+Largest: magnitude 6.2 on 24 Apr 198442 mi away, The 1984 Morgan Hill, CaliforniaMost recent: magnitude 3.1 on 12 Sep 20264 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, 26 mi away
Internet at home99% of households have a broadband subscription86% have cable, fibre or DSL8% rely on a mobile data plan alone0% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterClayton Palms Waterserves 549 people from surface water purchasedNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation2,782 ft848 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSutter Delta Medical Center8.0 miPost officeClayton Post Office4.1 miTown hallClayton City Hall4.3 miPoliceClayton Police Department4.3 miFire stationCalifornia Department of Forestry and Fire Protection Sunshine Fire Station 161.9 miSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeCalifornia State University East Bay - Concord Campus5.9 miSource: USGS National Structures Dataset
Getting aroundAirportBuchanan Field CCR11 miMajor airportOakland San Francisco Bay Airport OAK22 miInterstateI-6807.2 miUS highwayUS 10129 miAmtrakAntioch-Pittsburg, CA ACA9.7 miSubwayPittsburg CenterBay Area Rapid Transit (BART)8.7 miCoachDublin-Pleasanton Amtrak StationAmtrak Chartered Vehicle13 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 94517 ZIP area.
