Ranking of Texas Counties By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Texas (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 24.51%. Among all Texas counties, Sterling County had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (46.58%), followed by McMullen County (46.57%), and La Salle County (45.10%).
The chart below shows the top 10 Texas counties, and the table below shows the ranking of all Texas counties.
You can see similar information for other educational attainments.
You can also see similar information for other states and for the United States.
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Related Topics: Texas ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Texas Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Sterling County | 46.58 |
| 2 | McMullen County | 46.57 |
| 3 | La Salle County | 45.10 |
| 4 | Jasper County | 43.77 |
| 5 | Reagan County | 43.31 |
| 6 | Mitchell County | 43.29 |
| 7 | San Augustine County | 43.23 |
| 8 | Newton County | 43.11 |
| 9 | Gonzales County | 43.05 |
| 10 | Cass County | 43.03 |
| 11 | Morris County | 41.99 |
| 12 | Red River County | 41.31 |
| 13 | Milam County | 40.96 |
| 14 | DeWitt County | 40.76 |
| 15 | Refugio County | 40.55 |
| 16 | Deaf Smith County | 40.37 |
| 17 | Lee County | 40.30 |
| 18 | Atascosa County | 39.77 |
| 19 | Marion County | 39.76 |
| 20 | Lavaca County | 39.60 |
| 21 | Hardin County | 39.45 |
| 22 | Tyler County | 39.38 |
| 23 | Madison County | 39.27 |
| 24 | Culberson County | 39.10 |
| 25 | San Jacinto County | 39.08 |
| 26 | Trinity County | 39.03 |
| 27 | Walker County | 38.97 |
| 28 | Liberty County | 38.93 |
| 29 | Fayette County | 38.79 |
| 30 | Jones County | 38.77 |
| 31 | Anderson County | 38.68 |
| 32 | Caldwell County | 38.47 |
| 33 | Reeves County | 38.38 |
| 34 | Stonewall County | 38.35 |
| 35 | Robertson County | 38.32 |
| 36 | San Saba County | 38.28 |
| 37 | Haskell County | 38.25 |
| 38 | Jack County | 38.23 |
| 39 | Crockett County | 38.15 |
| 40 | Archer County | 38.09 |
| 41 | Real County | 38.01 |
| 42 | Willacy County | 37.93 |
| 43 | Concho County | 37.73 |
| 44 | Frio County | 37.71 |
| 45 | Pecos County | 37.68 |
| 46 | Baylor County | 37.65 |
| 47 | Jim Wells County | 37.50 |
| 48 | Polk County | 37.42 |
| 49 | Crane County | 37.41 |
| 50 | Titus County | 37.30 |
| 51 | Crosby County | 37.28 |
| 52 | Karnes County | 37.04 |
| 53 | Hardeman County | 36.95 |
| 54 | Montague County | 36.71 |
| 55 | Houston County | 36.59 |
| 56 | Palo Pinto County | 36.55 |
| 57 | Upton County | 36.48 |
| 58 | Jim Hogg County | 36.46 |
| 58 | Rains County | 36.46 |
| 59 | Childress County | 36.14 |
| 60 | Leon County | 36.09 |
| 61 | Orange County | 36.06 |
| 62 | Lamb County | 35.95 |
| 63 | Colorado County | 35.78 |
| 64 | Briscoe County | 35.71 |
| 65 | Hemphill County | 35.70 |
| 66 | Hamilton County | 35.66 |
| 67 | King County | 35.54 |
| 68 | Runnels County | 35.51 |
| 69 | Hartley County | 35.50 |
| 70 | Shelby County | 35.42 |
| 71 | Johnson County | 35.28 |
| 72 | Ward County | 35.22 |
| 73 | Fannin County | 35.12 |
| 74 | Sabine County | 35.08 |
| 75 | Throckmorton County | 35.03 |
| 76 | Hunt County | 35.02 |
| 77 | Fisher County | 34.95 |
| 78 | Limestone County | 34.93 |
| 79 | Brown County | 34.84 |
| 80 | Hopkins County | 34.78 |
| 81 | Stephens County | 34.41 |
| 82 | Hill County | 34.39 |
| 83 | Clay County | 34.29 |
| 84 | Lamar County | 34.28 |
| 85 | Bailey County | 34.20 |
| 86 | Swisher County | 34.19 |
| 87 | Sutton County | 34.03 |
| 88 | Burleson County | 34.02 |
| 89 | Callahan County | 33.96 |
| 90 | Howard County | 33.95 |
| 91 | Wheeler County | 33.89 |
| 92 | Upshur County | 33.88 |
| 93 | Wise County | 33.87 |
| 94 | Bowie County | 33.78 |
| 95 | Roberts County | 33.75 |
| 96 | Austin County | 33.73 |
| 97 | Camp County | 33.69 |
| 98 | Henderson County | 33.59 |
| 99 | Grimes County | 33.57 |
| 100 | Falls County | 33.50 |
| 101 | Ochiltree County | 33.48 |
| 102 | Freestone County | 33.42 |
| 103 | Duval County | 33.39 |
| 104 | Martin County | 33.38 |
| 105 | Coke County | 33.36 |
| 106 | Cochran County | 33.27 |
| 107 | Gray County | 33.19 |
| 108 | Bosque County | 33.18 |
| 109 | Wilbarger County | 33.15 |
| 110 | Rusk County | 33.14 |
| 111 | Dawson County | 33.06 |
| 112 | Jackson County | 33.05 |
| 113 | Nolan County | 33.02 |
| 114 | McCulloch County | 33.01 |
| 115 | Hutchinson County | 32.99 |
| 116 | Aransas County | 32.97 |
| 116 | Hall County | 32.97 |
| 117 | Kleberg County | 32.88 |
| 118 | Wichita County | 32.86 |
| 119 | Wilson County | 32.83 |
| 120 | Dickens County | 32.79 |
| 121 | Harrison County | 32.77 |
| 122 | Scurry County | 32.75 |
| 123 | Somervell County | 32.66 |
| 123 | Zapata County | 32.66 |
| 124 | Gaines County | 32.55 |
| 125 | Dimmit County | 32.49 |
| 126 | Bee County | 32.39 |
| 126 | Garza County | 32.39 |
| 127 | Castro County | 32.33 |
| 128 | Calhoun County | 32.28 |
| 129 | Carson County | 32.25 |
| 130 | Comanche County | 32.24 |
| 130 | Van Zandt County | 32.24 |
| 131 | San Patricio County | 32.22 |
| 132 | Wood County | 32.17 |
| 133 | Donley County | 32.09 |
| 133 | Washington County | 32.09 |
| 134 | Medina County | 32.05 |
| 135 | Hale County | 32.04 |
| 136 | Jefferson County | 32.03 |
| 137 | Delta County | 31.87 |
| 138 | Cooke County | 31.81 |
| 139 | Coleman County | 31.79 |
| 139 | Terry County | 31.79 |
| 140 | Live Oak County | 31.77 |
| 141 | Angelina County | 31.61 |
| 142 | Young County | 31.50 |
| 143 | Potter County | 31.45 |
| 144 | Zavala County | 31.35 |
| 145 | Bastrop County | 31.32 |
| 146 | Andrews County | 31.31 |
| 147 | Oldham County | 31.30 |
| 148 | Dallam County | 31.22 |
| 149 | Moore County | 31.20 |
| 150 | Knox County | 31.16 |
| 151 | Lampasas County | 31.02 |
| 152 | Mills County | 30.92 |
| 153 | Waller County | 30.62 |
| 154 | Victoria County | 30.61 |
| 155 | Nacogdoches County | 30.50 |
| 156 | Burnet County | 30.38 |
| 156 | Cherokee County | 30.38 |
| 157 | Guadalupe County | 30.32 |
| 158 | Winkler County | 30.22 |
| 159 | Panola County | 30.21 |
| 160 | Grayson County | 30.10 |
| 161 | Navarro County | 30.05 |
| 162 | Lipscomb County | 29.94 |
| 163 | Ector County | 29.77 |
| 164 | Kaufman County | 29.75 |
| 165 | Matagorda County | 29.65 |
| 166 | Floyd County | 29.63 |
| 166 | Yoakum County | 29.63 |
| 167 | Taylor County | 29.55 |
| 168 | Uvalde County | 29.52 |
| 169 | Tom Green County | 29.51 |
| 170 | Nueces County | 29.37 |
| 171 | Motley County | 29.23 |
| 172 | Wharton County | 29.15 |
| 173 | Eastland County | 29.10 |
| 174 | Coryell County | 28.85 |
| 175 | Kimble County | 28.77 |
| 176 | Goliad County | 28.75 |
| 177 | Bandera County | 28.73 |
| 178 | Blanco County | 28.72 |
| 179 | Kerr County | 28.65 |
| 180 | Lynn County | 28.54 |
| 181 | Hansford County | 28.44 |
| 182 | Schleicher County | 28.29 |
| 183 | Cottle County | 28.23 |
| 184 | Gregg County | 28.15 |
| 185 | Hood County | 28.12 |
| 186 | Erath County | 27.77 |
| 187 | Franklin County | 27.52 |
| 188 | Parker County | 27.32 |
| 189 | Armstrong County | 27.28 |
| 189 | Terrell County | 27.28 |
| 190 | Ellis County | 27.23 |
| 191 | McLennan County | 26.92 |
| 192 | Brooks County | 26.53 |
| 193 | Starr County | 26.47 |
| 194 | Hockley County | 26.44 |
| 195 | Llano County | 26.37 |
| 196 | Gillespie County | 26.36 |
| 197 | Maverick County | 26.33 |
| 198 | Parmer County | 26.32 |
| 199 | Irion County | 26.29 |
| 200 | Cameron County | 26.06 |
| 201 | Chambers County | 25.95 |
| 202 | Bell County | 25.94 |
| 203 | Lubbock County | 25.89 |
| 204 | Kinney County | 25.70 |
| 204 | Val Verde County | 25.70 |
| 205 | Menard County | 25.45 |
| 206 | Borden County | 24.86 |
| 207 | Bexar County | 24.39 |
| 208 | Galveston County | 24.34 |
| 209 | Hidalgo County | 24.27 |
| 210 | Midland County | 24.24 |
| 211 | Brazoria County | 24.22 |
| 212 | Smith County | 24.14 |
| 213 | Comal County | 23.91 |
| 214 | El Paso County | 23.79 |
| 214 | Kent County | 23.79 |
| 215 | Tarrant County | 23.68 |
| 216 | Webb County | 23.62 |
| 217 | Randall County | 23.61 |
| 218 | Foard County | 23.42 |
| 219 | Montgomery County | 23.11 |
| 220 | Collingsworth County | 23.10 |
| 221 | Hudspeth County | 22.94 |
| 222 | Harris County | 22.76 |
| 223 | Hays County | 22.65 |
| 224 | Dallas County | 22.60 |
| 225 | Shackelford County | 22.22 |
| 226 | Sherman County | 22.20 |
| 227 | Edwards County | 21.83 |
| 228 | Brazos County | 20.95 |
| 229 | Mason County | 20.45 |
| 230 | Williamson County | 18.68 |
| 231 | Glasscock County | 18.29 |
| 232 | Fort Bend County | 17.95 |
| 232 | Rockwall County | 17.95 |
| 233 | Jeff Davis County | 17.90 |
| 234 | Loving County | 17.31 |
| 235 | Denton County | 16.92 |
| 236 | Brewster County | 16.38 |
| 237 | Travis County | 15.73 |
| 238 | Collin County | 14.70 |
| 239 | Kendall County | 14.66 |
| 240 | Kenedy County | 14.56 |
| 241 | Presidio County | 12.93 |
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