Table 29: Percent of Population Under 18 Years of Age for the State of Texas and Council of Government Regions in Texas, 1990 and 2000 - Ranked by Percent, 2000 ____________________________________________________________________________ Percent of Population Under 18 Years of Age ___________________________ Rank State/COG 1990 2000 ____________________________________________________________________________ . State of Texas 28.47 28.23 1 South Texas 37.07 36.19 2 Lower Rio Grande Valley 36.10 34.67 3 Middle Rio Grande 34.35 33.20 4 Rio Grande 32.45 31.86 5 Permian Basin 31.88 29.70 6 Houston-Galveston 28.76 28.88 7 Coastal Bend 30.64 28.30 8 Alamo Area 28.92 28.10 10 North Central Texas 27.22 28.03 10 Central Texas 27.92 28.03 11 Panhandle 29.18 27.84 12 Golden Crescent 28.76 27.59 13 South Plains 28.50 27.11 14 South East Texas 27.63 26.45 15 Heart of Texas 25.88 26.23 16 Concho Valley 27.44 26.01 17 Ark-Tex 26.78 25.75 18 West Central Texas 26.74 25.48 19 East Texas 26.39 25.45 20 Texoma 25.76 25.35 21 Nortex 26.06 25.23 22 Capital Area 25.43 25.22 23 Deep East Texas 25.98 25.06 24 Brazos Valley 23.47 23.02 ____________________________________________________________________________