Daylight through the yearLongest day (Jun 21): 15 h 16 min5:06 am – 8:23 pmShortest day (Dec 21): 9 h 5 min7:08 am – 4:14 pm
Sun todaySunrise –Sunset –
People8,427 residentsin the ZIP code areaMedian age 43.93,037 householdsMedian household income $199,306Median home value $1,318,900Median rent $2,755 a month83% of homes owner-occupiedMedian property tax $10,000+ a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting4.6% unemployment rate66% of adults are in the labour force, 4,024 employedMain industries: finance, insurance and real estate 23%, professional and business services 21%, education and health care 20%Average commute 37 minutes56% drive alone, 4% car-pool, 12% take public transport, 2% walk or cycle, 26% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages77% of adults have a bachelor's degree or higher98% finished high school, 34% hold a graduate degreeLanguages at home: English only 96%, Spanish 1%, other Indo-European languages 1%2% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 83°F, lows 63°FColdest month January: highs 38°F, lows 22°F52 in of rain a year, on about 84 dayswettest month March51 in of snow a year, on about 26 days13 days above 90°F, 115 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Hingham station, 5 mi away
Nearby landmarksSandy Beachbeach · 1.6 miWalnut Hillpeak · under a mileCrescent Beachbeach · 2.4 miMount Hopepeak · 2.9 miLittle Harborbay · 1.2 miAaron Riverriver · 1.2 miSource: USGS Geographic Names Information System
Parks and public landsWompatuck State Parkstate park · 1.0 mi · 222 acresCohasset Central Cemeteryhistoric site · under a mileLittle League Fieldpark · under a mileBoston Harbor Islands State Parkstate park · 5.2 miCushing Memorial State Parkstate park · 5.6 miWebb Memorial State Parkstate park · 5.8 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes8 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.6 on 8 Nov 202050 mi away, near Bliss Corner, MassachusettsMost recent: magnitude 3.6 on 8 Nov 202050 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively ModerateNorfolk County, MA, compared with all US countiesHigher-risk hazardsRiver flooding Relatively HighIce storm Relatively HighLightning Relatively HighCoastal flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality84% of days had good air in 2025308 of 365 days measured55 moderate, 2 unhealthy for sensitive groups daysMedian index 39, worst day 126main pollutant: ozoneSource: US EPA Air Quality Index, Norfolk County monitors, MA
Internet at home98% of households have a broadband subscription94% have cable, fibre or DSL4% rely on a mobile data plan alone1% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterCohasset Water Deptserves 7,555 people from surface waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the ZIP area
Elevation80 ft24 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSouth Shore Hospital8.3 miPost officeCohasset Post Officeunder a mileTown hallCohasset Town Hallunder a milePoliceCohasset Police Departmentunder a mileFire stationCohasset Fire Departmentunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi3 schools2 elementary, 1 middleElementaryJoseph Osgood Elementary Schoolright hereElementaryDeer Hill Elementary Schoolright hereMiddleCohasset Middle / High Schoolunder a mileCollegeQuincy College9.7 miSource: USGS National Structures Dataset
Getting aroundAirportBoston Logan International Airport BOS13 miInterstateI-9311 miUS highwayUS 111 miAmtrakSouth Station BOS15 miRailCohassetMassachusetts Bay Transportation Authority (MBTA)1.3 miCoachLogan International Airport (Terminal B1)Peter Pan (BZ)14 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 02025 ZIP area.
