marble falls texas retail trade analysis january 31 2005 by capital area council of governments all rights reserved 2512 ih 35 south suite 220 austin tx 78704 512 916 6000 www capcog org regional context drive time map this report was prepared for the economic development corporation using esri business analyst software and data although every effort has been made to present information clearly accurately assumes no responsibility any future use more please contact at demographic overview in 2000 5 mile circle centered on had just over 9000 people 10 21 000 20 55 household size higher than two larger areas home ownership highest 64 3 median income lowest smallest rising as increased