Daylight through the yearLongest day (Jun 21): 14 h 48 min5:44 am – 8:33 pmShortest day (Dec 21): 9 h 32 min7:19 am – 4:51 pm
Sun todaySunrise –Sunset –
People46,387 residentsin the ZIP code areaMedian age 38.813,905 householdsMedian household income $120,927Median home value $701,600Median rent $3,150 a month73% of homes owner-occupiedMedian property tax $5,820 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting7.2% unemployment rate66% of adults are in the labour force, 23,120 employedMain industries: education and health care 25%, professional and business services 13%, retail 12%Average commute 44 minutes65% drive alone, 11% car-pool, 4% take public transport, 18% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages32% of adults have a bachelor's degree or higher90% finished high school, 10% hold a graduate degreeLanguages at home: English only 65%, Spanish 14%, Tagalog 8%, other Indo-European languages 4%14% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 91°F, lows 61°FColdest month January: highs 56°F, lows 40°F13 in of rain a year, on about 30 dayswettest month JanuarySnow is rare64 days above 90°F, 7 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Antioch Pumping Plt #3 station, 2 mi away
Nearby landmarksAntioch Municipal Reservoirreservoir · 2.1 miContra Loma Reservoirreservoir · 2.1 miLake Alhambralake · 3.6 miSardis Unit Trailtrailhead · 4.0 miLos Medanos College - Brentwood Centercollege · 5.2 miStamm Unit Trailtrailhead · 4.3 miSource: USGS Geographic Names Information System
Parks and public landsAntioch Water Parkpark · under a mile · 98 acresMokelumne Trailrecreation area · under a mile · 114 acresAntioch Dunes National Wildlife Refugenational wildlife refuge · 3.9 mi · 63 acresMount Diablo State Parkstate park · 6.7 mi · 18,542 acresLower Sherman Island Wildlife Areastate conservation land · 5.0 mi · 3,156 acresFarm Service Agency Interest Of Canational wildlife refuge · 10.0 mi · 198 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes894 of magnitude 3 or more within 50 miles since 197086 of magnitude 4+, 9 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 20267 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, 23 mi away
Internet at home97% of households have a broadband subscription84% have cable, fibre or DSL10% rely on a mobile data plan alone1% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterCity of Antiochserves 115,074 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation223 ft68 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSutter Delta Medical Center2.2 miPost officeAntioch Post Office3.3 miTown hallOakley City Hall4.3 miPoliceOakley Police Department4.3 miFire stationContra Costa County Fire Protection District Station 821.9 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi10 schools5 elementary, 2 middle, 1 high, 2 otherElementaryDiablo Vista Elementary Schoolunder a mileHighDeer Valley High Schoolunder a mileElementaryLone Tree Elementary Schoolunder a mileCollegeLos Medanos College - Brentwood Center5.2 miSource: USGS National Structures Dataset
Getting aroundAirportBuchanan Field CCR15 miMajor airportOakland San Francisco Bay Airport OAK29 miInterstateI-68015 miUS highwayUS 10137 miAmtrakAntioch-Pittsburg, CA ACA4.7 miSubwayAntiochBay Area Rapid Transit (BART)2.7 miCoachDublin-Pleasanton Amtrak StationAmtrak Chartered Vehicle19 miTransit22 stops within a mileTri Delta TransitSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 94531 ZIP area.
