Daylight through the yearLongest day (Jun 21): 13 h 58 min6:40 am – 8:38 pmShortest day (Dec 21): 10 h 20 min7:26 am – 5:45 pm
Sun todaySunrise –Sunset –
People597 residentsin the ZIP code areaMedian age 35.5165 householdsMedian household income $51,354Median home value $66,700Median rent $631 a month75% of homes owner-occupiedMedian property tax $800 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting18.2% unemployment rate45% of adults are in the labour force, 189 employedMain industries: education and health care 35%, farming, forestry and mining 19%, transport, warehousing and utilities 15%Average commute 31 minutes77% drive alone, 8% walk or cycle, 11% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages9% of adults have a bachelor's degree or higher61% finished high school, 5% hold a graduate degreeLanguages at home: English only 38%, Spanish 62%14% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month August: highs 100°F, lows 75°FColdest month January: highs 67°F, lows 44°F22 in of rain a year, on about 33 dayswettest month MaySnow is rare166 days above 90°F, 10 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Cotulla La Salle Co Ap station, 16 mi away; snow from Dilley
Parks and public landsChaparral Wildlife Management Areastate conservation land · 11.4 mi · 15,193 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes7 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.6 on 12 Jul 202622 mi away, near Dilley, TexasMost recent: magnitude 3.1 on 10 Sep 202634 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowDimmit County, TX, compared with all US countiesHighest-rated hazardsHeat wave Relatively ModerateDrought Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality63% of days had good air in 2025221 of 351 days measured130 moderate daysMedian index 42, worst day 90main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Maverick County, TX, 53 mi away
Internet at home73% of households have a broadband subscription50% have cable, fibre or DSL16% rely on a mobile data plan alone24% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterCity of Big Wellsserves 870 people from ground waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation530 ft162 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalDimmit Regional Hospital23.4 miPost officeBig Wells Post Office6.7 miTown hallBig Wells City Hall6.6 miFire stationBig Wells Volunteer Fire Department6.7 miSource: USGS National Structures Dataset
Getting aroundAirportLaredo International Airport LRD67 miMajor airportSan Antonio International Airport SAT93 miInterstateI-3515 miUS highwayN US Hwy 8314 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 78830 ZIP area.
