Daylight through the yearLongest day (Jun 21): 15 h 37 min5:51 am – 9:28 pmShortest day (Dec 21): 8 h 46 min8:12 am – 4:59 pm
Sun todaySunrise –Sunset –
People246 residentsin the ZIP code areaMedian age 45.191 householdsMedian household income $23,750Median home value $177,60096% of homes owner-occupiedMedian property tax $950 a yearSource: US Census Bureau, American Community Survey 2020-2024
Education and languages18% of adults have a bachelor's degree or higher96% finished high school, 3% hold a graduate degreeLanguages at home: English only 97%, Spanish 3%2% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 85°F, lows 58°FColdest month January: highs 24°F, lows 5°F21 in of rain a year, on about 41 dayswettest month July43 in of snow a year, on about 18 days25 days above 90°F, 177 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Highmore 23 N station, 10 mi away; snow from Seneca
Nearby landmarksLatham Lakelake · 2.8 miFord Lakelake · 4.0 miBald Hillspeak · 9.8 miSource: USGS Geographic Names Information System
Parks and public landsSpring Lakestate recreation area · under a mile · 518 acresRice Lakestate recreation area · 11.3 mi · 876 acresIngallsstate conservation land · 10.5 mi · 81 acresCottonwood Lakestate recreation area · 12.5 mi · 1,845 acresRezac Lakestate recreation area · 13.3 mi · 571 acresStone Lakestate recreation area · 14.7 mi · 1,113 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes3 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.3 on 26 Nov 198931 mi away, near Lowry, South DakotaMost recent: magnitude 3.2 on 9 Dec 202039 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowFaulk County, SD, compared with all US countiesHighest-rated hazardsHail Relatively LowWildfire Relatively LowSource: 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, 49 mi away
Internet at home73% of households have a broadband subscription63% have cable, fibre or DSL9% rely on a mobile data plan alone24% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterSenecaserves 25 people from surface water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the ZIP area
Elevation1,928 ft588 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalFaulkton Area Medical Center16.7 miPost officeSeneca Post Office5.1 miFire stationSeneca Fire Department5.2 miSource: USGS National Structures Dataset
Getting aroundAirportPierre Regional Airport PIR58 miUS highwayUS 2124.8 miCoachGettysburgJefferson Lines24 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 57473 ZIP area.
