Ranking of Texas Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Less than High School Diploma 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 Less than High School Diploma was 15.18%. Among all Texas counties, Kenedy County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Less than High School Diploma (81.55%), followed by Hudspeth County (50.33%), and Presidio County (47.91%).
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 Less than High School Diploma in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Kenedy County | 81.55 |
| 2 | Hudspeth County | 50.33 |
| 3 | Presidio County | 47.91 |
| 4 | Starr County | 41.25 |
| 5 | Gaines County | 38.44 |
| 6 | Maverick County | 36.45 |
| 7 | Culberson County | 36.28 |
| 8 | Frio County | 34.46 |
| 9 | Garza County | 33.79 |
| 10 | Moore County | 32.89 |
| 11 | Hidalgo County | 32.68 |
| 12 | Cochran County | 32.62 |
| 13 | Zapata County | 31.76 |
| 14 | Brooks County | 31.46 |
| 14 | Willacy County | 31.46 |
| 15 | Dimmit County | 31.42 |
| 16 | La Salle County | 31.18 |
| 16 | Webb County | 31.18 |
| 17 | Cameron County | 30.54 |
| 18 | Dallam County | 29.64 |
| 19 | Reeves County | 29.52 |
| 20 | Dawson County | 29.15 |
| 21 | Val Verde County | 29.09 |
| 22 | Sherman County | 28.40 |
| 23 | Winkler County | 28.27 |
| 24 | Bailey County | 28.11 |
| 25 | Duval County | 27.63 |
| 26 | Hansford County | 27.27 |
| 27 | Jim Hogg County | 27.17 |
| 28 | Swisher County | 27.12 |
| 29 | Yoakum County | 27.09 |
| 30 | Terry County | 27.03 |
| 31 | Parmer County | 26.71 |
| 32 | Floyd County | 26.34 |
| 33 | Deaf Smith County | 25.76 |
| 34 | Collingsworth County | 25.44 |
| 35 | Uvalde County | 25.22 |
| 36 | Pecos County | 25.03 |
| 37 | Karnes County | 24.91 |
| 38 | Hale County | 24.76 |
| 39 | Concho County | 24.70 |
| 40 | Glasscock County | 24.55 |
| 41 | Crane County | 24.48 |
| 42 | Zavala County | 24.43 |
| 43 | Foard County | 24.27 |
| 44 | Andrews County | 23.94 |
| 44 | Upton County | 23.94 |
| 45 | Lamb County | 23.73 |
| 46 | Ector County | 23.67 |
| 47 | Castro County | 23.63 |
| 48 | Gonzales County | 23.54 |
| 49 | Potter County | 23.51 |
| 50 | King County | 23.49 |
| 51 | Hockley County | 23.45 |
| 52 | Ochiltree County | 23.35 |
| 53 | Live Oak County | 23.32 |
| 54 | Sutton County | 23.08 |
| 55 | Crosby County | 22.84 |
| 56 | Liberty County | 21.94 |
| 57 | Madison County | 21.72 |
| 58 | Edwards County | 21.62 |
| 59 | Wilbarger County | 21.44 |
| 60 | Ward County | 21.28 |
| 61 | Haskell County | 21.13 |
| 62 | Jim Wells County | 21.06 |
| 63 | Bee County | 20.96 |
| 64 | Lynn County | 20.95 |
| 65 | Titus County | 20.82 |
| 66 | Falls County | 20.50 |
| 67 | Houston County | 20.43 |
| 68 | Crockett County | 20.33 |
| 69 | El Paso County | 20.24 |
| 70 | Caldwell County | 19.94 |
| 71 | Navarro County | 19.82 |
| 72 | Polk County | 19.62 |
| 73 | Cherokee County | 19.54 |
| 74 | McCulloch County | 19.50 |
| 75 | Wharton County | 19.47 |
| 76 | Howard County | 19.45 |
| 77 | Jackson County | 19.43 |
| 78 | Kleberg County | 19.39 |
| 79 | Shelby County | 19.34 |
| 80 | Atascosa County | 19.33 |
| 81 | Jones County | 19.30 |
| 82 | Dallas County | 19.28 |
| 83 | Martin County | 19.25 |
| 84 | Knox County | 19.00 |
| 85 | Scurry County | 18.99 |
| 86 | Gray County | 18.98 |
| 87 | San Augustine County | 18.93 |
| 88 | Refugio County | 18.77 |
| 89 | Wheeler County | 18.65 |
| 90 | Matagorda County | 18.62 |
| 91 | Tyler County | 18.60 |
| 92 | Jack County | 18.37 |
| 93 | San Saba County | 18.36 |
| 94 | Grimes County | 18.34 |
| 95 | San Patricio County | 18.25 |
| 96 | Harris County | 18.13 |
| 97 | Anderson County | 17.94 |
| 98 | Newton County | 17.93 |
| 99 | Menard County | 17.91 |
| 100 | Mitchell County | 17.75 |
| 101 | Nolan County | 17.67 |
| 102 | Mason County | 17.62 |
| 103 | Hall County | 17.41 |
| 104 | Freestone County | 17.37 |
| 105 | Panola County | 17.33 |
| 106 | Burleson County | 17.20 |
| 107 | Childress County | 17.14 |
| 108 | Calhoun County | 17.00 |
| 109 | DeWitt County | 16.87 |
| 110 | Runnels County | 16.80 |
| 111 | Leon County | 16.61 |
| 112 | Victoria County | 16.36 |
| 113 | Goliad County | 16.28 |
| 114 | Coke County | 16.25 |
| 115 | Dickens County | 16.23 |
| 116 | Angelina County | 16.20 |
| 117 | Trinity County | 16.10 |
| 118 | Baylor County | 16.04 |
| 119 | Nueces County | 15.89 |
| 120 | Bastrop County | 15.64 |
| 120 | Colorado County | 15.64 |
| 121 | Stonewall County | 15.54 |
| 122 | Jasper County | 15.52 |
| 123 | San Jacinto County | 15.51 |
| 124 | Limestone County | 15.50 |
| 125 | Midland County | 15.48 |
| 126 | Rusk County | 15.46 |
| 127 | Henderson County | 15.16 |
| 128 | Stephens County | 15.15 |
| 129 | Jefferson County | 15.14 |
| 130 | Schleicher County | 15.08 |
| 131 | Robertson County | 15.06 |
| 132 | Eastland County | 14.99 |
| 133 | Kinney County | 14.97 |
| 134 | Reagan County | 14.83 |
| 135 | Briscoe County | 14.80 |
| 136 | Mills County | 14.68 |
| 137 | Nacogdoches County | 14.67 |
| 138 | Bexar County | 14.63 |
| 139 | Cottle County | 14.61 |
| 140 | Hill County | 14.56 |
| 141 | Hardeman County | 14.53 |
| 142 | Hemphill County | 14.50 |
| 143 | Comanche County | 14.46 |
| 144 | Upshur County | 14.45 |
| 145 | Kimble County | 14.32 |
| 146 | Coleman County | 14.22 |
| 147 | Medina County | 14.18 |
| 148 | Gregg County | 14.14 |
| 148 | Walker County | 14.14 |
| 149 | Lipscomb County | 14.13 |
| 150 | Fannin County | 14.12 |
| 150 | Wise County | 14.12 |
| 151 | Donley County | 14.03 |
| 152 | Hartley County | 14.01 |
| 153 | Milam County | 13.93 |
| 154 | Van Zandt County | 13.87 |
| 155 | Wood County | 13.85 |
| 156 | Hopkins County | 13.83 |
| 157 | Hutchinson County | 13.74 |
| 158 | Johnson County | 13.69 |
| 159 | Lavaca County | 13.68 |
| 160 | Rains County | 13.64 |
| 161 | Sabine County | 13.62 |
| 162 | Fisher County | 13.61 |
| 163 | Kaufman County | 13.60 |
| 163 | McLennan County | 13.60 |
| 164 | Terrell County | 13.58 |
| 165 | Montague County | 13.52 |
| 166 | Motley County | 13.41 |
| 167 | Jeff Davis County | 13.39 |
| 168 | Tarrant County | 13.35 |
| 169 | Young County | 13.25 |
| 170 | Palo Pinto County | 13.14 |
| 171 | Hamilton County | 13.08 |
| 172 | Cass County | 13.07 |
| 173 | Brown County | 13.06 |
| 174 | Marion County | 12.99 |
| 175 | Lee County | 12.89 |
| 176 | Austin County | 12.79 |
| 177 | Hunt County | 12.70 |
| 178 | Delta County | 12.65 |
| 179 | Camp County | 12.62 |
| 180 | Ellis County | 12.57 |
| 180 | Oldham County | 12.57 |
| 181 | Tom Green County | 12.56 |
| 182 | Lamar County | 12.55 |
| 183 | Waller County | 12.48 |
| 184 | Erath County | 12.36 |
| 184 | Smith County | 12.36 |
| 185 | Red River County | 12.23 |
| 186 | Lubbock County | 12.13 |
| 187 | Cooke County | 12.11 |
| 188 | Brewster County | 12.01 |
| 189 | Harrison County | 11.94 |
| 190 | Wichita County | 11.91 |
| 191 | Hardin County | 11.55 |
| 192 | Fayette County | 11.51 |
| 193 | Burnet County | 11.40 |
| 194 | Irion County | 11.32 |
| 195 | Aransas County | 11.29 |
| 196 | Brazos County | 11.28 |
| 197 | Brazoria County | 11.19 |
| 198 | Kent County | 11.09 |
| 199 | Orange County | 11.04 |
| 200 | Washington County | 10.88 |
| 201 | Llano County | 10.86 |
| 202 | Coryell County | 10.84 |
| 203 | Real County | 10.75 |
| 204 | Guadalupe County | 10.71 |
| 205 | Somervell County | 10.69 |
| 206 | Wilson County | 10.67 |
| 207 | Taylor County | 10.65 |
| 208 | Chambers County | 10.58 |
| 209 | Bosque County | 10.48 |
| 210 | Callahan County | 10.43 |
| 211 | Gillespie County | 10.41 |
| 212 | Montgomery County | 10.40 |
| 213 | Parker County | 10.34 |
| 214 | Bowie County | 10.25 |
| 215 | McMullen County | 10.19 |
| 216 | Galveston County | 10.14 |
| 217 | Morris County | 10.07 |
| 218 | Blanco County | 9.85 |
| 219 | Kerr County | 9.82 |
| 220 | Franklin County | 9.71 |
| 221 | Grayson County | 9.65 |
| 222 | Hays County | 9.53 |
| 223 | Shackelford County | 9.44 |
| 224 | Travis County | 9.37 |
| 225 | Archer County | 9.34 |
| 226 | Bandera County | 9.28 |
| 227 | Fort Bend County | 8.99 |
| 228 | Throckmorton County | 8.96 |
| 229 | Bell County | 8.90 |
| 230 | Lampasas County | 8.61 |
| 231 | Hood County | 8.08 |
| 232 | Clay County | 7.98 |
| 233 | Armstrong County | 7.89 |
| 234 | Borden County | 7.82 |
| 235 | Sterling County | 7.58 |
| 236 | Carson County | 7.48 |
| 237 | Denton County | 6.74 |
| 237 | Kendall County | 6.74 |
| 238 | Rockwall County | 6.44 |
| 239 | Roberts County | 6.43 |
| 240 | Randall County | 6.28 |
| 241 | Comal County | 6.18 |
| 242 | Collin County | 6.10 |
| 243 | Williamson County | 5.99 |
| 244 | Loving County | 5.77 |
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