Daylight through the yearLongest day (Jun 21): 14 h 59 min5:38 am – 8:36 pmShortest day (Dec 21): 9 h 22 min7:22 am – 4:45 pm
Sun todaySunrise –Sunset –
People7,070 residentsin the ZIP code areaMedian age 44.02,724 householdsMedian household income $121,509Median home value $448,40094% of homes owner-occupiedMedian property tax $3,905 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting5.5% unemployment rate64% of adults are in the labour force, 3,444 employedMain industries: education and health care 30%, public administration 11%, manufacturing 11%Average commute 39 minutes79% drive alone, 6% car-pool, 14% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages43% of adults have a bachelor's degree or higher98% finished high school, 15% hold a graduate degreeLanguages at home: English only 94%, Chinese 3%, Russian or other Slavic 1%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 88°F, lows 69°FColdest month January: highs 40°F, lows 25°F48 in of rain a year, on about 82 dayswettest month September29 in of snow a year, on about 13 days37 days above 90°F, 106 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Conowingo Dam station, 16 mi away; snow from New Park
Nearby landmarksCattail Reservoirreservoir · 2.2 miLittle Deer Creek Reservoir Number Threereservoir · 3.5 miFour-H Camp Springspring · 3.8 miWiley Fallswaterfall · 5.6 miKilgores Rockswaterfall · 5.8 miChurch Lane Springspring · 7.4 miSource: USGS Geographic Names Information System
Parks and public landsRocks Spstate park · 2.4 mi · 950 acresJarrettsville Elementary School Fieldspark · 1.4 miDr. James B. Rutledge Memorial Parkpark · 2.0 miGunpowder Falls Spstate park · 5.0 mi · 9,518 acresGunpowder Falls State Parkstate park · 7.0 miTorrey C Brown Rail Trailstate park · 8.7 mi · 460 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes7 of magnitude 3 or more within 50 miles since 19701 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.2 on 23 Apr 198422 mi away, near Conestoga, PennsylvaniaMost recent: magnitude 3.1 on 3 Jun 201042 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowHarford County, MD, compared with all US countiesHigher-risk hazardsWinter weather Relatively HighSource: FEMA National Risk Index (county level)
Air quality76% of days had good air in 2025259 of 343 days measured81 moderate, 3 unhealthy for sensitive groups daysMedian index 42, worst day 143main pollutant: ozoneSource: US EPA Air Quality Index, Harford County monitors, MD
Internet at home94% of households have a broadband subscription78% have cable, fibre or DSL13% rely on a mobile data plan alone1% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterHarford County D.p.w.serves 104,567 people from surface waterNo health-based violations since 20213 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation629 ft192 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalUpper Chesapeake Medical Center9.1 miPost officeJarrettsville Post Officeunder a mileTown hallBel Air Town Hall8.1 miPoliceHarford County Sheriff's Office Northern Precinct1.1 miFire stationJarrettsville Volunteer Fire Company Main Stationunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi2 schools2 elementaryElementaryJarrettsville Elementary School1.3 miElementaryNorth Bend Elementary School1.3 miCollegeHarford Community College10.5 miSource: USGS National Structures Dataset
Getting aroundAirportBaltimore/Washington International Thurgood Marshall Airport BWI32 miInterstateI-8310 miUS highwayUS 1 Bus6.6 miAmtrakAberdeen, MD ABE18 miLight railHunt Valley (Northbound)Maryland Transit Administration (MTA)13 miCoachEdgewood Bus StopGreyhound15 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 21084 ZIP area.
