Best In Texas Real Estate™: San Marcos-New Braunfels

59.6% of new households in the San Marcos–New Braunfels MSA come from just three counties — Travis, Bexar, and Guadalupe. This hyper-concentration reveals a migration pattern that is structurally limited, not driven by broad affordability. For real estate strategy, it means the region’s growth is tethered to a narrow set of source markets, making it vulnerable to local shocks in those areas. This insight is drawn from the latest ALEX Intelligence data: https://alex-companies.com/data/2026-10-28-san-marcos-nb-mig-county-top3. What does this mean for long-term planning? How might developers and investors adapt to a migration base that’s not diversifying? Share of Arriving Households From the Top Three Counties, top 10 (ALEX Intelligence — U.S. Internal Revenue Service 2023) #1 Travis County, TX — 5,563 #2 Bexar County, TX — 3,184 #3 Guadalupe County, TX — 1,462 #4 Williamson County, TX — 917 #5 Harris County, TX — 878 #6 Caldwell County, TX — 348 #7 Dallas County, TX — 267 #8 Tarrant County, TX — 266 #9 Bastrop County, TX — 230 #10 Fort Bend County, TX — 218 Photos via Wikimedia Commons: Slide 1: Larry D. Moore (CC BY 4.0) https://commons.wikimedia.org/?curid=20852074; Slide 2: Jonmallard (CC BY-SA 4.0) https://commons.wikimedia.org/?curid=75223909; Slide 3: Astonmartini (CC BY-SA 4.0) https://commons.wikimedia.org/?curid=51996819; Slide 4: maotx (CC BY-SA 2.0) https://commons.wikimedia.org/?curid=34877884 Source: https://alex-companies.com/data/2026-10-28-san-marcos-nb-mig-county-top3 View and join any or all of our communities — AI, quantum, and real estate: https://alex-companies.com/reports/linkedin-groups If there's an AI, quantum, or real estate community you'd like to see us convene, tell us — this portfolio grows by request. Real Estate Strategy & Intelligence Leader. Democratized Blue Ocean Strategist & Operator. Diane Hart Alexander, MBA, MHA Chair & CEO, ALEX Companies Designated Broker, Alexander Tiffany Southwest, LLC dba ALEX.realestate, et.al. Texas License #574877-B · Broker License #565194-BB [email protected] · +1 713.591.9902