Circle D-KC Estates is a census-designated place (CDP) in Bastrop County, Texas, United States.

Circle D-KC Estates is located about seven miles northeast of Bastrop.

[3] The subdivision was heavily damaged in the 2011 Bastrop County Complex fire.

As of the 2020 United States census, there were 2,588 people, 1,003 households, and 684 families residing in the CDP.

Circle D-KC Estates is served by the Bastrop Independent School District.