Fun Facts you should know about San Antonio, TX. 1. The average household income in SA is estimated to be $61,635 and the median age is 34yrs. 2. The majority of homes sold in December 2011 according to the A&M Real Estate Center were in the$120,000 to $139,000 price range. 3. According to SABOR, in September 2012 the AVERAGE price for a single family home was $191,500. The MEDIAN price was $152,000. 4. SA hosts 14 Colleges and Universities, education more than 120,000 higher education students annually….