Daylight through the yearLongest day (Jun 21): 14 h 30 min6:11 am – 8:41 pmShortest day (Dec 21): 9 h 49 min7:28 am – 5:17 pm
Sun todaySunrise –Sunset –
People834 residentsin the ZIP code areaMedian age 43.9302 householdsMedian household income $55,000Median home value $97,300Median rent $629 a month77% of homes owner-occupiedMedian property tax $591 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting1.6% unemployment rate47% of adults are in the labour force, 304 employedMain industries: education and health care 20%, public administration 17%, construction 14%Average commute 32 minutes67% drive alone, 4% car-pool, 2% take public transport, 6% walk or cycle, 18% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages16% of adults have a bachelor's degree or higher93% finished high school, 4% hold a graduate degreeLanguages at home: English only 97%, Spanish 3%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month August: highs 92°F, lows 70°FColdest month January: highs 51°F, lows 30°F47 in of rain a year, on about 62 dayswettest month May2 in of snow a year, on about 1 days67 days above 90°F, 66 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Holdenville 3ese Mesonet station, 15 mi away; rain from Ashland; snow from Holdenville 2sse
Nearby landmarksUpper Muddy Boggy Site Number 24 Reservoirreservoir · 3.6 miL J Shepard Reservoirreservoir · 4.4 miSource: USGS Geographic Names Information System
Earthquakes65 of magnitude 3 or more within 50 miles since 19702 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.5 on 6 Sep 199719 mi away, near Tupelo, OklahomaMost recent: magnitude 3.5 on 19 May 202649 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowHughes County, OK, compared with all US countiesHigher-risk hazardsIce storm Relatively HighSource: FEMA National Risk Index (county level)
Air quality57% of days had good air in 2025207 of 365 days measured155 moderate, 3 unhealthy for sensitive groups daysMedian index 48, worst day 140main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Pittsburg County, OK, 27 mi away
Internet at home82% of households have a broadband subscription29% have cable, fibre or DSL38% rely on a mobile data plan alone12% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterCalvinserves 300 people from ground waterNo health-based violations since 20212 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation789 ft240 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalHoldenville General Hospital16.7 miPost officeCalvin Post Office6.1 miTown hallCalvin City Hall6.1 miFire stationGerty Volunteer Fire Department4.7 miSource: USGS National Structures Dataset
Getting aroundAirportOKC Will Rogers World Airport OKC85 miInterstateI-4037 miUS highwayUS 751.2 miAmtrakPauls Valley, OK PVL57 miCoachMcalester ExxonGreyhound27 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 74531 ZIP area.
