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San Marcos city, TX

ZIP 78666 — Amenities & Local Context

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLarge CommunityLow Snow Area

Airports, parks, hospitals, nearby places, and local civic context

Amenities & Location in 78666

Transportation & Access
Distance to Coast
98.4 miles (158.3 km)

✈️ Airports (8)

  • AUS (Airport)28.5 miles (45.9 km)
  • RND (Airport)30.6 miles (49.3 km)
  • SAT (Airport)38.6 miles (62.1 km)
  • SSF (Airport)48.3 miles (77.7 km)
  • SKF (Airport)50.4 miles (81.1 km)
  • GRK (Airport)82.4 miles (132.6 km)
  • TPL (Airport)94.0 miles (151.2 km)
  • VCT (Airport)95.0 miles (152.9 km)

🌊 Coast (2 points)

  • Coast (98.4 miles (158.3 km))
  • Coast (107.7 miles (173.3 km))
Parks & Recreation

🌲 National Parks (6)

  • El Camino Real de los Tejas National Historic Trail40.3 miles (64.8 km)elte
  • Lyndon B Johnson National Historical Park46.1 miles (74.2 km)lyjo
  • San Antonio Missions National Historical Park48.1 miles (77.4 km)saan
  • Waco Mammoth National Monument128.1 miles (206.1 km)waco
  • Amistad National Recreation Area188.1 miles (302.8 km)amis
  • Padre Island National Seashore198.7 miles (319.8 km)pais
Health & Safety

🏥 VA Hospitals (20)

  • New Braunfels CBOC16.3 miles (26.3 km)
  • Seguin CBOC21.5 miles (34.6 km)
  • Austin, Financial Services Center27.1 miles (43.6 km)
  • Austin Outpatient Clinic27.9 miles (44.8 km)
  • Austin Vet Center28.2 miles (45.4 km)
  • North Central Federal OPC35.3 miles (56.9 km)
  • San Antonio NE Vet Center35.4 miles (57.0 km)
  • NorthEast 410 /San Antonio Clinic37.0 miles (59.5 km)
  • Fort Sam Houston National Cemetery39.6 miles (63.7 km)
  • Fort Sam Houston41.1 miles (66.1 km)
  • Shavano Park Outpatient Clinic41.6 miles (67.0 km)
  • South Bexar/San Antonio Clinic43.7 miles (70.3 km)
Show all 20 VA hospitals in & near this area
  • San Antonio National Cemetery43.7 miles (70.3 km)
  • Pecan Valley CBOC44.0 miles (70.7 km)
  • San Antonio Dental Clinic44.0 miles (70.9 km)
  • Balcones Heights Outpatient Clinic44.3 miles (71.2 km)
  • Cedar Park CBOC44.7 miles (72.0 km)
  • South Texas Veterans Health Care System45.0 miles (72.4 km)
  • Northwest 410/San Antonio Clinic45.3 miles (72.9 km)
  • Frank M. Tejeda VA Outpatient Clinic45.5 miles (73.2 km)

Politics & Opportunity in 78666

Voting & Opportunity
Congressional District
TX-21
2024 Presidential Vote (County) Dem / Rep
53.0% / 47.0%
Opportunity Zone
Yes (5.86% of tract)