Daylight through the yearLongest day (Jun 21): 14 h 33 min5:48 am – 8:21 pmShortest day (Dec 21): 9 h 46 min7:07 am – 4:54 pm
Sun todaySunrise –Sunset –
People2,952 residentsin the ZIP code areaMedian age 41.90 householdsSource: US Census Bureau, American Community Survey 2020-2024
Education and languages3% of adults have a bachelor's degree or higher57% finished high school, 2% hold a graduate degreeLanguages at home: English only 73%, Spanish 24%12% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month September: highs 80°F, lows 54°FColdest month December: highs 64°F, lows 44°F22 in of rain a year, on about 33 dayswettest month JanuarySnow is rare19 days above 90°F, 3 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, San Luis Obispo Poly station, 2 mi away
Earthquakes831 of magnitude 3 or more within 50 miles since 197067 of magnitude 4+, 4 of magnitude 5+Largest: magnitude 6.5 on 22 Dec 200335 mi away, near San Simeon, CaliforniaMost recent: magnitude 3.5 on 12 Dec 202517 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighSan Luis Obispo County, CA, compared with all US countiesHigher-risk hazardsDrought Very HighLandslide Relatively HighWildfire Relatively HighRiver flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality52% of days had good air in 2025191 of 365 days measured167 moderate, 7 unhealthy for sensitive groups daysMedian index 50, worst day 119main pollutant: ozoneSource: US EPA Air Quality Index, San Luis Obispo County monitors, CA
Drinking waterSan Luis Obispo Water Departmentserves 47,788 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation430 ft131 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalCalifornia Mens Colony Hospitalunder a milePost officeMission San Luis Obispo Post Office3.7 miTown hallSan Luis Obispo City Hall3.4 miPoliceSan Luis Obispo County Sheriff's Office1.6 miFire stationCalifornia Men's Colony Fire Departmentunder a mileSource: USGS National Structures Dataset
Getting aroundAirportSan Luis County Regional Airport SBP6.8 miMajor airportFresno Yosemite International Airport FAT114 miUS highwayUS 1013.2 miAmtrakAmtrak Station SLO4.0 miCoachSan Luis Obispo Amtrak Bus StopAmtrak Chartered Vehicle2.9 miTransit1 stop within a mileSan Luis Obispo Regional Transit Authority (SLORTA)Sources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 93409 ZIP area.
