Daylight through the yearLongest day (Jun 21): 15 h 1 min5:40 am – 8:41 pmShortest day (Dec 21): 9 h 19 min7:27 am – 4:46 pm
Sun todaySunrise –Sunset –
People4,389 residentsin the ZIP code areaMedian age 35.01,587 householdsMedian household income $86,406Median home value $211,300Median rent $975 a month74% of homes owner-occupiedMedian property tax $2,715 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting3.2% unemployment rate62% of adults are in the labour force, 2,058 employedMain industries: education and health care 17%, retail 13%, transport, warehousing and utilities 12%Average commute 33 minutes78% drive alone, 5% car-pool, 17% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages27% of adults have a bachelor's degree or higher94% finished high school, 12% hold a graduate degreeLanguages at home: English only 92%, Spanish 5%, other Indo-European languages 3%5% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 86°F, lows 65°FColdest month January: highs 38°F, lows 22°F45 in of rain a year, on about 77 dayswettest month September27 in of snow a year, on about 12 days21 days above 90°F, 115 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Biglerville station, 10 mi away
Nearby landmarksHammonds Rockspeak · under a mileMount Holly Springs Reservoirreservoir · 2.1 miMount Hollypeak · 2.4 miMount Holly Springs Lakelake · 3.2 miFuller Lakelake · 4.5 miPine Grove Furnace State Park Charcoal Hearth Campgroundcampground · 5.2 miSource: USGS Geographic Names Information System
Parks and public landsKings Gap State Parkstate park · 1.6 mi · 1,458 acresPine Grove Furnace State Parkstate park · 3.1 miSouth Mountain (Kings Gap Forest Pools Preserve)state park · 3.3 mi · 68 acresBarnitz Millrecreation area · 3.6 miTrine Parkpark · 3.6 miCaledonia State Parkstate park · 16.3 mi · 1,120 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes6 of magnitude 3 or more within 50 miles since 19701 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.2 on 23 Apr 198448 mi away, near Conestoga, PennsylvaniaMost recent: magnitude 3.4 on 13 Jun 201928 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively ModerateCumberland County, PA, compared with all US countiesHigher-risk hazardsWinter weather Relatively HighStrong wind Relatively HighSource: FEMA National Risk Index (county level)
Air quality72% of days had good air in 2025261 of 365 days measured104 moderate daysMedian index 35, worst day 96main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Cumberland County monitors, PA
Internet at home92% of households have a broadband subscription73% have cable, fibre or DSL18% rely on a mobile data plan alone7% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterMt Holly Springs Boro Authserves 3,261 people from ground waterNo health-based violations since 20215 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,206 ft368 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalUPMC Carlisle7.8 miPost officePeach Glen Post Office3.3 miTown hallDickinson Township Municipal Building3.2 miPoliceMount Holly Springs Police Department3.8 miFire stationCitizens Fire Company Number 1 Holly Station 363.9 miSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeThe Dickinson School of Law of the Pennsylvania State University9.1 miSource: USGS National Structures Dataset
Getting aroundAirportHarrisburg International Airport MDT26 miMajor airportBaltimore/Washington International Thurgood Marshall Airport BWI69 miInterstateI-816.9 miUS highwayUS 117.4 miAmtrakHarrisburg, PA HAR23 miCoachHarrisburg, PA (Petro Travel Center at 1201 Harrisburg Ave Route 11, Carlisle, PA 17013)OurBus12 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 17065 ZIP area.
