Daylight through the yearLongest day (Jun 21): 15 h 38 min5:45 am – 9:24 pmShortest day (Dec 21): 8 h 45 min8:08 am – 4:53 pm
Sun todaySunrise –Sunset –
People92 residentsin the ZIP code areaMedian age 42.546 households91% of homes owner-occupiedSource: US Census Bureau, American Community Survey 2020-2024
ClimateWarmest month July: highs 84°F, lows 60°FColdest month January: highs 23°F, lows 2°F24 in of rain a year, on about 44 dayswettest month June28 in of snow a year, on about 18 days16 days above 90°F, 182 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Conde station, 10 mi away
Parks and public landsSwan Lakestate recreation area · 2.2 mi · 1,829 acresMansfieldstate conservation land · 12.5 mi · 500 acresWagnerstate conservation land · 13.6 mi · 199 acresHansen Preserve (stratford Slstate conservation land · 13.8 mi · 701 acresPiggors Lakestate recreation area · 19.0 mi · 119 acresSource: 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 3.0 on 15 Oct 198750 mi away, near Wessington, South DakotaMost recent: magnitude 3.0 on 15 Oct 198750 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowSpink County, SD, compared with all US countiesHighest-rated hazardsCold wave Relatively ModerateWinter weather Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality84% of days had good air in 2025301 of 360 days measured53 moderate, 6 unhealthy for sensitive groups daysMedian index 27, worst day 115main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Brown County, SD, 30 mi away
Internet at home98% of households have a broadband subscription91% have cable, fibre or DSL4% rely on a mobile data plan alone0% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterBrentfordserves 88 people from surface water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the ZIP area
Elevation1,297 ft395 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSouth Dakota Developmental Center21.9 miPost officeBrentford Post Office1.0 miFire stationBrentford Fire Department1.1 miSource: USGS National Structures Dataset
Getting aroundAirportAberdeen Regional Airport ABR21 miUS highwayUS 28110 miCoachGrotonJefferson Lines23 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 57429 ZIP area.
