Daylight through the yearLongest day (Jun 21): 14 h 25 min6:06 am – 8:32 pmShortest day (Dec 21): 9 h 53 min7:18 am – 5:12 pm
Sun todaySunrise –Sunset –
People99 residentsin the ZIP code areaMedian age 69.477 householdsMedian household income $13,77740% of homes owner-occupiedMedian property tax $206 a yearSource: US Census Bureau, American Community Survey 2020-2024
ClimateWarmest month July: highs 91°F, lows 71°FColdest month January: highs 56°F, lows 34°F49 in of rain a yearwettest month SeptemberSnow is rare59 days above 90°F, 49 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Marion station, 10 mi away; snow from Effingham
Parks and public landsMarsh Wildlife Management Areastate conservation land · 4.9 mi · 8,589 acresLittle Pee Dee Heritage Preserve / Wildlife Management Areastate conservation land · 6.4 mi · 10,168 acresLittle Pee Dee Heritage Preserve / Wildlife Management Area - Twin Bays Tractstate conservation land · 8.1 mi · 218 acresPee Dee Station Site Wildlife Management Areastate conservation land · 8.3 mi · 2,608 acresLittle Pee Dee State Parkstate park · 21.3 mi · 827 acresWaccamaw National Wildlife Refugenational wildlife refuge · 25.0 mi · 18,852 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes2 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.7 on 25 Sep 200636 mi away, near Rowland, North CarolinaMost recent: magnitude 3.7 on 25 Sep 200636 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowMarion County, SC, compared with all US countiesHigher-risk hazardsHurricane Relatively HighCold wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality65% of days had good air in 2025235 of 361 days measured125 moderate, 1 unhealthy for sensitive groups daysMedian index 44, worst day 108main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Florence County, SC, 20 mi away
Internet at home51% of households have a broadband subscription25% have cable, fibre or DSL16% rely on a mobile data plan alone49% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterMarco Rural Water Co (sc3320001)serves 17,120 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation58 ft18 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalCarolinas Hospital System - Marion11.9 miPost officeCentenary Post Office1.2 miTown hallAynor Town Hall9.0 miPoliceAynor Police Department9.0 miFire stationCentenary Volunteer Fire Department1.2 miSource: USGS National Structures Dataset
