Daylight through the yearLongest day (Jun 21): 15 h 28 min5:55 am – 9:23 pmShortest day (Dec 21): 8 h 55 min8:08 am – 5:03 pm
Sun todaySunrise –Sunset –
People599 residentsin the ZIP code areaMedian age 41.2264 householdsMedian household income $76,000Median home value $218,400Median rent $883 a month80% of homes owner-occupiedMedian property tax $1,776 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting5.8% unemployment rate65% of adults are in the labour force, 292 employedMain industries: education and health care 22%, retail 14%, farming, forestry and mining 14%Average commute 15 minutes75% drive alone, 13% car-pool, 1% walk or cycle, 8% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages24% of adults have a bachelor's degree or higher94% finished high school, 7% hold a graduate degreeLanguages at home: English only 98%, Spanish 2%2% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 88°F, lows 63°FColdest month January: highs 31°F, lows 11°F20 in of rain a year, on about 39 dayswettest month June43 in of snow a year, on about 23 days34 days above 90°F, 156 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Chamberlain Muni Ap station, 6 mi away; snow from Chamberlain 5 S
Nearby landmarksBice Islandisland · 3.1 miWhite Riverriver · 7.2 miAmerican Island (historical)island · 3.3 miLewis Hillpeak · 9.8 miSource: USGS Geographic Names Information System
Parks and public landsDude Ranchstate recreation area · 2.0 miNeugebauer Game Production Areastate conservation land · 4.0 mi · 1,541 acresCarpenter Game Production Areastate conservation land · 4.3 mi · 1,133 acresKiowa Game Production Areastate conservation land · 4.5 mi · 1,808 acresChamberlain Game Production Areastate conservation land · 6.5 mi · 192 acresLindley Game Production Areastate conservation land · 6.6 mi · 882 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes4 of magnitude 3 or more within 50 miles since 19701 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.4 on 4 Mar 198328 mi away, near Fort Thompson, South DakotaMost recent: magnitude 3.0 on 7 Feb 201423 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowLyman County, SD, compared with all US countiesHighest-rated hazardsCold wave Relatively ModerateWinter weather Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality93% of days had good air in 2025333 of 358 days measured24 moderate, 1 unhealthy for sensitive groups daysMedian index 18, worst day 112main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Hughes County, SD, 48 mi away
Internet at home90% of households have a broadband subscription71% have cable, fibre or DSL19% rely on a mobile data plan alone10% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterOacomaserves 391 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the ZIP area
Elevation1,392 ft424 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSanford Mid - Dakota Medical Center Hospital4.9 miPost officeOacoma Post Office1.4 miTown hallOacoma City Hall1.4 miPoliceBrule County Sheriff's Office4.1 miFire stationChamberlain - Oacoma Volunteer Fire Department4.2 miSource: USGS National Structures Dataset
Getting aroundAirportPierre Regional Airport PIR59 miInterstateI-901.0 miUS highwayUS 18331 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 57365 ZIP area.
