AUSTIN -- Growth in the state's natural energy business is boosting monthly sales tax revenue to cities across Central Texas.
Sales tax for Austin is up 7.34 percent and Round Rock numbers are up 11.1 percent for December, compared to December 2011. Other Austin area cities showed big gains as well.
The state comptroller's office reports for the month of December money coming back to Cedar Park is up more than eight percent from the previous December.
In Georgetown that number is up more than 11 percent, and in San Marcos it's close to 15 percent.
State Comptroller Susan Combs says the state sales tax revenue in December was $2.17 billion. That's an increase of 9.4 percent compared to December 2011.