Some of the zip codes in Austin include 78748, 78701 and 78749, according to the websites for UnitedStatesZipCodes.org, City-Data.com and AreaConnect. As of 2011, most zip codes in Austin had an estimated population of more than 30,000.Continue Reading
Zip code 78748 had a population of 37,784 in 2011, according to City-data.com. The zip code has a land area of 92.38 square miles and a water area of 0.36 square mile, states UnitedStatesZipCodes.org. The number of males living within this zip code area estimated to be 19,186 while that of females is 18,598. As of March 2012, the cost of living index in the zip code 78610 was recorded at 94.5, which is less than the U.S average of 100, notes City-data.com.
The zip code 78701 had the lowest population, which was estimated to be 5,084 in 2011. The population of women was 15 percent higher than that of men, according to City-Data.com. The zip code has a land area of 1.6 square miles and a water area of 0.1 square miles.
Zip code 78748 had a population of 34,449 in 2010 and 33,947 in 2011. The cost of living index in this zip code was 94.5 in March 2012. The land area is 10.1 square miles, and the water is 0.0 square miles. The population of women is 3.4 percent higher than that of men.Learn more about Postal Services