Windermere is a former census-designated place (CDP) in Travis County, Texas, United States.

According to the United States Census Bureau in 2000, the CDP had a total area of 2.1 square miles (5.5 km2), all land.

Prior to the 2010 census, parts of the CDP were annexed to Pflugerville and Round Rock cities and additional area was lost, reducing the total area to 0.53 square miles (1.4 km2), all land.

[3][4] Following further annexations by Pflugerville, the area was no longer recorded as a CDP at the time of the 2020 census.

Public education in a portion of the former CDP is provided by the Pflugerville Independent School District, while the other portion of the former CDP is in the Round Rock Independent School District.