Table 4: Percent of Population under 18 Years of Age for the State of Texas and Council of Government Regions in Texas, 1990 and 2000 ___________________________________________________________________________ Percent of Population Under 18 Years of Age _______________________ State/COG 1990 2000 ___________________________________________________________________________ State of Texas 28.47 28.23 Panhandle 29.18 27.84 South Plains 28.50 27.11 Nortex 26.06 25.23 North Central Texas 27.22 28.03 Ark-Tex 26.78 25.75 East Texas 26.39 25.45 West Central Texas 26.74 25.48 Rio Grande 32.45 31.86 Permian Basin 31.88 29.70 Concho Valley 27.44 26.01 Heart of Texas 25.88 26.23 Capital Area 25.43 25.22 Brazos Valley 23.47 23.02 Deep East Texas 25.98 25.06 South East Texas 27.63 26.45 Houston-Galveston 28.76 28.88 Golden Crescent 28.76 27.59 Alamo Area 28.92 28.10 South Texas 37.07 36.19 Coastal Bend 30.64 28.30 Lower Rio Grande Valley 36.10 34.67 Texoma 25.76 25.35 Central Texas 27.92 28.03 Middle Rio Grande 34.35 33.20 ___________________________________________________________________________