Local servicesHospitalCHRISTUS Santa Rosa Hospital - San Marcos8.4 miPost officeStaples Post Office1.2 miTown hallMartindale City Hall5.2 miPoliceMartindale Police Department5.2 miFire stationMartindale Volunteer Fire Department5.4 miSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeTexas State University San Marcos Campus10.1 miSource: USGS National Structures Dataset
Getting aroundAirportAustin Bergstrom International Airport AUS32 miInterstateI-359.2 miUS highwayUS 908.2 miAmtrakSan Marcos, TX SMC9.5 miCoachSan Marcos CARTSFlixBus9.5 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 78670 ZIP area.
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Local Information
Distances in these cards are measured from the centre of the 78670 ZIP area.
Daylight through the yearLongest day (Jun 21): 14 h 4 min6:31 am – 8:35 pmShortest day (Dec 21): 10 h 14 min7:22 am – 5:36 pm
Sun todaySunrise –Sunset –
People178 residentsin the ZIP code areaMedian age 40.468 householdsMedian household income $76,591Median home value $233,300Median rent $1,375 a month65% of homes owner-occupiedMedian property tax $1,750 a yearSource: US Census Bureau, American Community Survey 2019-2023
Education and languages30% of adults have a bachelor's degree or higher90% finished high school, 6% hold a graduate degreeLanguages at home: English only 94%, Spanish 6%2% speak English less than very wellSource: US Census Bureau, American Community Survey 2019-2023, ZIP area
ClimateWarmest month August: highs 97°F, lows 74°FColdest month January: highs 62°F, lows 39°F37 in of rain a year, on about 48 dayswettest month MaySnow is rare117 days above 90°F, 20 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, San Marcos station, 10 mi away
Nearby landmarksLangford Lakelake · 2.7 miSoil Conservation Service Site Sixteen Reservoirreservoir · 1.9 miSoil Conservation Service Site 15 Reservoirreservoir · 3.1 miGrouskay-Fisher Lakelake · 6.5 miMill Creek Hillspeak · 6.2 miBlanco Riverriver · 7.6 miSource: USGS Geographic Names Information System
Parks and public landsCottonwood Creek Parkpark · 6.4 mi · 53 acresEl Camino Real Parkpark · 7.0 miLockhart State Parkstate park · 10.5 mi · 264 acresSpring Lakestate recreation area · 9.9 mi · 52 acresTexas State University - San Marcos Golf Coursestate recreation area · 10.0 miPalmetto State Parkstate park · 19.5 mi · 297 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes21 of magnitude 3 or more within 50 miles since 19702 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.6 on 30 Jan 202549 mi away, near Falls City, TexasMost recent: magnitude 3.3 on 20 Sep 202548 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively ModerateGuadalupe County, TX, compared with all US countiesHigher-risk hazardsRiver flooding Relatively HighTornado Relatively HighLightning Relatively HighSource: FEMA National Risk Index (county level)
Air quality44% of days had good air in 2025159 of 365 days measured200 moderate, 6 unhealthy for sensitive groups daysMedian index 53, worst day 129main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Travis County, TX, 34 mi away
Internet at home93% of households have a broadband subscription63% have cable, fibre or DSL3% rely on a mobile data plan alone0% have no internet at homeSource: US Census Bureau, American Community Survey 2019-2023
Drinking waterGreen Valley Sudserves 52,497 people from surface water purchasedNo health-based violations since 20215 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation527 ft161 m above sea levelSource: USGS 3D Elevation Program
