Daylight through the yearLongest day (Jun 21): 15 h 19 min5:07 am – 8:27 pmShortest day (Dec 21): 9 h 3 min7:12 am – 4:15 pm
Sun todaySunrise –Sunset –
People9,796 residentsin the ZIP code areaMedian age 41.23,573 householdsMedian household income $144,875Median home value $491,600Median rent $1,875 a month82% of homes owner-occupiedMedian property tax $6,695 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting2.3% unemployment rate72% of adults are in the labour force, 5,625 employedMain industries: professional and business services 21%, education and health care 19%, manufacturing 12%Average commute 28 minutes76% drive alone, 5% car-pool, 2% take public transport, 15% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages45% of adults have a bachelor's degree or higher93% finished high school, 20% hold a graduate degreeLanguages at home: English only 81%, other Asian or Pacific languages 6%, other Indo-European languages 4%, Spanish 3%5% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 85°F, lows 61°FColdest month January: highs 34°F, lows 16°F49 in of rain a year, on about 89 dayswettest month October67 in of snow a year, on about 30 days20 days above 90°F, 148 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Lowell station, 2 mi away; snow from Hudson 1 Sse
Parks and public landsLowell Heritage State Parkstate park · 1.5 miFairview Cemeteryhistoric site · within reachWest Chelmsford Cemeteryhistoric site · under a mileLowell National Historical Parkhistoric site · 3.8 mi · 189 acresGreat Brook Farm State Parkstate park · 5.1 miDunstable Brook Wildlife Management Areastate conservation land · 3.7 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes9 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.7 on 2 Oct 199449 mi away, near Hardwick, MassachusettsMost recent: magnitude 3.2 on 26 Sep 201049 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighMiddlesex County, MA, compared with all US countiesHigher-risk hazardsIce storm Very HighRiver flooding Relatively HighLightning Relatively HighHurricane Relatively HighSource: FEMA National Risk Index (county level)
Air quality82% of days had good air in 2025299 of 365 days measured65 moderate, 1 unhealthy for sensitive groups daysMedian index 38, worst day 105main pollutant: ozoneSource: US EPA Air Quality Index, Middlesex County monitors, MA
Internet at home96% of households have a broadband subscription87% have cable, fibre or DSL6% rely on a mobile data plan alone3% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterNorth Chelmsford Water Distserves 7,660 people from ground waterNo health-based violations since 20212 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the ZIP area
Elevation160 ft49 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalLowell General Hospital3.1 miPost officeNorth Chelmsford Post Office1.1 miTown hallChelmsford Municipal Building3.4 miPoliceChelmsford Police Department1.7 miFire stationChelmsford Fire Department Station 21.0 miSource: USGS National Structures Dataset
Getting aroundAirportLaurence G Hanscom Field BED12 miMajor airportBoston Logan International Airport BOS27 miInterstateI-4952.8 miUS highwayUS 3under a mileAmtrakWoburn, MA WOB15 miRailLowellMassachusetts Bay Transportation Authority (MBTA)4.3 miCoachLowell Bus StationGreyhound4.3 miTransit9 stops within a mileLowell Regional Transit Authority (LRTA)Sources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 01863 ZIP area.
