Daylight through the yearLongest day (Jun 21): 14 h 54 min5:41 am – 8:35 pmShortest day (Dec 21): 9 h 26 min7:21 am – 4:47 pm
Sun todaySunrise –Sunset –
People4,417 residentsin the ZIP code areaMedian age 43.61,495 householdsMedian household income $170,156Median home value $634,70099% of homes owner-occupiedMedian property tax $5,490 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting0.6% unemployment rate60% of adults are in the labour force, 1,989 employedMain industries: education and health care 21%, professional and business services 20%, finance, insurance and real estate 12%Average commute 34 minutes70% drive alone, 3% car-pool, 22% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages49% of adults have a bachelor's degree or higher99% finished high school, 23% hold a graduate degreeLanguages at home: English only 97%, Spanish 2%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 89°F, lows 71°FColdest month January: highs 44°F, lows 29°F46 in of rain a yearwettest month July16 in of snow a year, on about 7 days40 days above 90°F, 81 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Annapolis Police Brks station, 5 mi away; rain from Birdsville 0.2 Wsw; snow from Upper Marlboro 3 Nnw
Nearby landmarksCedar Pointcape · under a mileFerry Pointcape · 3.0 miChurch Creekbay · 2.6 miSpring Lakebay · 1.2 miGoose Islandisland · under a mileNorth Riverriver · 2.5 miSource: USGS Geographic Names Information System
Parks and public landsRiva Area Parkpark · 1.6 mi · 60 acresCentral Av Parkpark · 1.7 miHoney Branch Nrmastate park · 5.6 mi · 173 acresAnnapolis National Cemeteryhistoric site · 4.7 miChaney Nrmastate park · 5.9 miJonas Green State Parkstate park · 6.3 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes1 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.6 on 16 Jul 201049 mi away, near Barnesville, MarylandMost recent: magnitude 3.6 on 16 Jul 201049 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively ModerateAnne Arundel County, MD, compared with all US countiesHigher-risk hazardsWinter weather Relatively HighLightning Relatively HighStrong wind Relatively HighSource: FEMA National Risk Index (county level)
Air quality88% of days had good air in 2025227 of 259 days measured30 moderate, 2 unhealthy for sensitive groups daysMedian index 40, worst day 119main pollutant: ozoneSource: US EPA Air Quality Index, Anne Arundel County monitors, MD
Internet at home97% of households have a broadband subscription89% have cable, fibre or DSL8% rely on a mobile data plan alone0% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterGlen Burnie-broadneckserves 290,606 people from ground waterNo health-based violations since 20212 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation51 ft16 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalLuminis Health Anne Arundel Medical Center3.9 miPost officeRiva Post Officeunder a mileTown hallAnnapolis City Hall5.5 miPoliceAnne Arundel County Police Department Southern District2.0 miFire stationRiva Volunteer Fire Departmentunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi2 schools1 elementary, 1 highElementaryEdgewater Elementary School1.8 miHighAnnapolis High School2.0 miCollegeSaint John's College5.5 miSource: USGS National Structures Dataset
Getting aroundAirportBaltimore/Washington International Thurgood Marshall Airport BWI16 miInterstateI-5952.4 miUS highwayUS 502.4 miAmtrakNew Carrollton, MD NCR15 miRailBOWIE STATE MARC nbMaryland Transit Administration (MTA)11 miCoachAnnapolisFlixBus5.2 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 21140 ZIP area.
