Total area includes land area and water area.
| Rank | Name | Total Area (mi2) | Land Area (mi2) | Water Area (mi2) |
|---|---|---|---|---|
| 1 | Brewster | 6,192.3 | 6,183.7 | 8.5 |
| 2 | Pecos | 4,764.8 | 4,763.9 | 1.0 |
| 3 | Hudspeth | 4,571.8 | 4,571.0 | 0.8 |
| 4 | Presidio | 3,855.9 | 3,855.2 | 0.7 |
| 5 | Culberson | 3,813.0 | 3,812.8 | 0.2 |
| 6 | Webb | 3,375.6 | 3,361.5 | 14.1 |
| 7 | Val Verde | 3,232.7 | 3,144.8 | 87.9 |
| 8 | Crockett | 2,807.3 | 2,807.3 | 0.0 |
| 9 | Reeves | 2,642.1 | 2,635.4 | 6.7 |
| 10 | Terrell | 2,358.1 | 2,358.0 | 0.0 |
| 11 | Jeff Davis | 2,264.6 | 2,264.6 | 0.1 |
| 12 | Edwards | 2,119.9 | 2,117.9 | 2.0 |
| 13 | Kenedy | 1,945.8 | 1,458.3 | 487.5 |
| 14 | Duval | 1,795.6 | 1,793.5 | 2.1 |
| 15 | Harris | 1,777.5 | 1,703.5 | 74.0 |
| 16 | Matagorda | 1,612.5 | 1,100.3 | 512.2 |
| 17 | Brazoria | 1,608.6 | 1,357.7 | 250.9 |
| 18 | Hidalgo | 1,582.9 | 1,570.9 | 12.0 |
| 19 | Uvalde | 1,558.6 | 1,552.0 | 6.7 |
| 20 | Tom Green | 1,540.5 | 1,522.0 | 18.6 |
| 21 | Dallam | 1,505.3 | 1,503.3 | 2.0 |
| 22 | Gaines | 1,502.9 | 1,502.4 | 0.5 |
| 23 | Oldham | 1,501.4 | 1,500.5 | 0.9 |
| 24 | Andrews | 1,501.1 | 1,500.7 | 0.4 |
| 25 | Deaf Smith | 1,498.4 | 1,496.9 | 1.5 |
| 26 | La Salle | 1,494.2 | 1,486.7 | 7.5 |
| 27 | Hartley | 1,463.2 | 1,462.0 | 1.2 |
| 28 | Sutton | 1,454.4 | 1,453.9 | 0.5 |
| 29 | Kinney | 1,365.1 | 1,360.1 | 5.1 |
| 30 | Medina | 1,334.5 | 1,325.4 | 9.2 |
| 31 | Dimmit | 1,334.5 | 1,328.9 | 5.6 |
| 32 | Schleicher | 1,310.7 | 1,310.6 | 0.0 |
| 33 | Zavala | 1,301.7 | 1,297.4 | 4.3 |
| 34 | Maverick | 1,291.8 | 1,279.3 | 12.5 |
| 35 | Coleman | 1,281.4 | 1,262.0 | 19.5 |
| 36 | Cameron | 1,276.5 | 890.9 | 385.5 |
| 37 | Bexar | 1,256.1 | 1,239.8 | 16.3 |
| 38 | Kimble | 1,251.2 | 1,251.0 | 0.2 |
| 39 | Upton | 1,241.5 | 1,241.3 | 0.2 |
| 40 | Houston | 1,236.6 | 1,230.9 | 5.7 |
| 41 | Starr | 1,229.1 | 1,223.2 | 5.9 |
| 42 | Atascosa | 1,221.5 | 1,219.5 | 1.9 |
| 43 | Liberty | 1,176.3 | 1,158.4 | 17.9 |
| 44 | Reagan | 1,176.0 | 1,175.3 | 0.7 |
| 45 | Nueces | 1,165.6 | 838.5 | 327.1 |
| 46 | McMullen | 1,156.8 | 1,139.4 | 17.4 |
| 47 | San Saba | 1,138.4 | 1,135.3 | 3.1 |
| 48 | Jim Hogg | 1,136.2 | 1,136.1 | 0.0 |
| 49 | Williamson | 1,134.4 | 1,118.3 | 16.1 |
| 50 | Frio | 1,134.3 | 1,133.5 | 0.8 |
| 51 | Clay | 1,116.8 | 1,088.7 | 28.0 |
| 52 | Jefferson | 1,112.6 | 876.3 | 236.3 |
| 53 | Polk | 1,109.7 | 1,057.1 | 52.6 |
| 54 | Kerr | 1,107.3 | 1,103.3 | 4.0 |
| 55 | Wharton | 1,094.4 | 1,086.2 | 8.2 |
| 56 | Kleberg | 1,090.2 | 881.3 | 208.9 |
| 57 | Erath | 1,089.8 | 1,083.1 | 6.7 |
| 58 | Bell | 1,087.8 | 1,051.0 | 36.8 |
| 59 | Navarro | 1,085.9 | 1,009.6 | 76.3 |
| 60 | Leon | 1,080.6 | 1,073.2 | 7.5 |
| 61 | Live Oak | 1,078.9 | 1,039.7 | 39.2 |
| 62 | Anderson | 1,078.0 | 1,062.6 | 15.4 |
| 63 | Montgomery | 1,076.9 | 1,041.7 | 35.1 |
| 64 | McCulloch | 1,073.4 | 1,065.6 | 7.8 |
| 65 | Gonzales | 1,069.9 | 1,066.7 | 3.2 |
| 66 | Cherokee | 1,062.2 | 1,052.9 | 9.3 |
| 67 | Gillespie | 1,061.7 | 1,058.2 | 3.5 |
| 68 | McLennan | 1,060.2 | 1,037.1 | 23.1 |
| 69 | Zapata | 1,058.0 | 998.4 | 59.6 |
| 70 | Runnels | 1,057.1 | 1,051.0 | 6.1 |
| 71 | Coryell | 1,056.8 | 1,052.1 | 4.7 |
| 72 | Red River | 1,056.7 | 1,036.6 | 20.2 |
| 73 | Irion | 1,051.6 | 1,051.6 | 0.1 |
| 74 | Calhoun | 1,032.7 | 506.8 | 525.8 |
| 75 | Travis | 1,023.0 | 990.2 | 32.8 |
| 76 | Milam | 1,021.8 | 1,016.9 | 4.8 |
| 77 | Burnet | 1,021.3 | 994.3 | 27.0 |
| 78 | Lamb | 1,017.7 | 1,016.2 | 1.5 |
| 79 | El Paso | 1,015.0 | 1,012.7 | 2.3 |
| 80 | Hale | 1,004.8 | 1,004.7 | 0.1 |
| 81 | Bosque | 1,002.5 | 983.0 | 19.6 |
| 82 | Concho | 993.7 | 983.8 | 9.9 |
| 83 | Floyd | 992.5 | 992.1 | 0.4 |
| 84 | Motley | 989.8 | 989.6 | 0.3 |
| 85 | Hill | 985.7 | 958.9 | 26.9 |
| 86 | Palo Pinto | 985.5 | 951.8 | 33.7 |
| 87 | Nacogdoches | 981.2 | 946.5 | 34.6 |
| 88 | Grayson | 979.2 | 932.8 | 46.4 |
| 89 | Wilbarger | 977.9 | 970.8 | 7.1 |
| 90 | Colorado | 973.7 | 960.3 | 13.4 |
| 91 | Lavaca | 970.4 | 969.7 | 0.7 |
| 92 | Jasper | 969.7 | 938.9 | 30.8 |
| 93 | Llano | 965.9 | 934.0 | 31.8 |
| 94 | Cass | 960.3 | 937.0 | 23.4 |
| 95 | Fayette | 959.8 | 950.0 | 9.8 |
| 96 | Brown | 957.0 | 944.4 | 12.5 |
| 97 | Denton | 953.0 | 878.4 | 74.5 |
| 98 | Ellis | 951.7 | 935.5 | 16.3 |
| 99 | Smith | 949.7 | 921.5 | 28.3 |
| 100 | Henderson | 948.3 | 873.8 | 74.6 |
| 101 | Comanche | 947.7 | 937.8 | 9.9 |
| 102 | Brooks | 943.7 | 943.4 | 0.3 |
| 103 | Newton | 939.7 | 933.7 | 6.0 |
| 104 | Rusk | 938.4 | 924.0 | 14.4 |
| 105 | Montague | 938.3 | 930.9 | 7.4 |
| 106 | Jones | 937.1 | 928.6 | 8.6 |
| 107 | Tyler | 935.6 | 924.5 | 11.1 |
| 108 | Limestone | 933.2 | 905.3 | 27.9 |
| 109 | Lamar | 933.1 | 907.2 | 25.9 |
| 110 | Donley | 933.0 | 926.9 | 6.2 |
| 111 | Lipscomb | 932.3 | 932.2 | 0.1 |
| 112 | Mason | 932.2 | 928.8 | 3.4 |
| 113 | Eastland | 931.9 | 926.5 | 5.4 |
| 114 | Young | 930.9 | 914.5 | 16.4 |
| 115 | Gray | 929.3 | 926.0 | 3.4 |
| 116 | Coke | 928.0 | 911.5 | 16.5 |
| 117 | Archer | 925.4 | 903.1 | 22.3 |
| 118 | Roberts | 924.2 | 924.1 | 0.1 |
| 119 | Carson | 924.1 | 920.2 | 3.9 |
| 120 | Sterling | 923.5 | 923.5 | 0.1 |
| 121 | Sherman | 923.2 | 923.0 | 0.2 |
| 122 | Bowie | 923.0 | 885.0 | 38.0 |
| 123 | Wise | 922.6 | 904.4 | 18.2 |
| 124 | Randall | 922.4 | 911.5 | 10.9 |
| 125 | Potter | 922.0 | 908.4 | 13.6 |
| 126 | Stephens | 921.5 | 896.7 | 24.8 |
| 127 | Hansford | 920.4 | 919.8 | 0.6 |
| 128 | Stonewall | 920.2 | 916.3 | 3.9 |
| 129 | Jack | 920.1 | 910.7 | 9.5 |
| 130 | Collingsworth | 919.3 | 918.4 | 0.9 |
| 131 | Taylor | 919.3 | 915.6 | 3.8 |
| 132 | Ochiltree | 918.1 | 917.6 | 0.5 |
| 133 | Mitchell | 915.9 | 911.1 | 4.8 |
| 134 | Harrison | 915.8 | 900.0 | 15.8 |
| 135 | Martin | 915.7 | 914.9 | 0.8 |
| 136 | Shackelford | 915.5 | 914.3 | 1.3 |
| 137 | Throckmorton | 915.5 | 912.6 | 2.9 |
| 138 | Wheeler | 915.5 | 914.5 | 1.0 |
| 139 | Nolan | 913.9 | 912.0 | 1.9 |
| 140 | Armstrong | 913.8 | 909.1 | 4.7 |
| 141 | King | 913.3 | 910.9 | 2.5 |
| 142 | Hemphill | 912.2 | 906.3 | 5.9 |
| 143 | DeWitt | 910.5 | 909.0 | 1.5 |
| 144 | Haskell | 910.3 | 903.1 | 7.1 |
| 145 | Parker | 910.1 | 903.5 | 6.6 |
| 146 | Moore | 909.6 | 899.7 | 9.9 |
| 147 | Dallas | 908.6 | 871.3 | 37.3 |
| 148 | Hockley | 908.6 | 908.4 | 0.2 |
| 149 | Scurry | 907.5 | 905.4 | 2.1 |
| 150 | Borden | 906.1 | 897.4 | 8.6 |
| 151 | Dickens | 905.2 | 901.7 | 3.5 |
| 152 | Howard | 904.2 | 900.8 | 3.4 |
| 153 | Hall | 904.1 | 883.5 | 20.6 |
| 154 | Kent | 902.9 | 902.5 | 0.4 |
| 155 | Tarrant | 902.3 | 863.6 | 38.7 |
| 156 | Menard | 902.3 | 902.0 | 0.2 |
| 157 | Dawson | 902.1 | 900.3 | 1.8 |
| 158 | Midland | 902.1 | 900.3 | 1.8 |
| 159 | Ector | 901.8 | 897.7 | 4.1 |
| 160 | Fisher | 901.8 | 898.9 | 2.8 |
| 161 | Crosby | 901.7 | 900.2 | 1.5 |
| 162 | Cottle | 901.6 | 900.6 | 1.1 |
| 163 | Briscoe | 901.6 | 900.0 | 1.6 |
| 164 | Callahan | 901.3 | 899.4 | 1.9 |
| 165 | Glasscock | 901.1 | 900.2 | 0.9 |
| 166 | Baylor | 901.1 | 867.5 | 33.6 |
| 167 | Lubbock | 900.7 | 895.6 | 5.1 |
| 168 | Swisher | 900.7 | 890.2 | 10.5 |
| 169 | Castro | 899.3 | 894.4 | 4.9 |
| 170 | Fannin | 898.9 | 890.8 | 8.0 |
| 171 | Cooke | 898.4 | 874.8 | 23.7 |
| 172 | Hardin | 897.6 | 890.6 | 7.0 |
| 173 | Garza | 896.2 | 893.4 | 2.8 |
| 174 | Bastrop | 895.5 | 888.2 | 7.4 |
| 175 | Hutchinson | 895.0 | 887.4 | 7.5 |
| 176 | Lynn | 893.5 | 891.9 | 1.6 |
| 177 | Freestone | 892.0 | 877.7 | 14.3 |
| 178 | Terry | 890.9 | 888.8 | 2.1 |
| 179 | Victoria | 888.8 | 882.1 | 6.7 |
| 180 | Collin | 886.1 | 841.2 | 44.9 |
| 181 | Fort Bend | 885.3 | 861.5 | 23.9 |
| 182 | Parmer | 885.2 | 880.8 | 4.4 |
| 183 | Hunt | 882.0 | 840.3 | 41.7 |
| 184 | Bee | 880.3 | 880.2 | 0.1 |
| 185 | Galveston | 873.8 | 378.4 | 495.4 |
| 186 | Chambers | 871.2 | 597.1 | 274.0 |
| 187 | Jim Wells | 868.3 | 865.0 | 3.4 |
| 188 | Robertson | 865.4 | 855.7 | 9.7 |
| 189 | Angelina | 864.7 | 797.8 | 66.9 |
| 190 | Van Zandt | 859.6 | 842.6 | 17.0 |
| 191 | Goliad | 859.4 | 852.0 | 7.4 |
| 192 | Jackson | 856.9 | 829.4 | 27.4 |
| 193 | Knox | 855.5 | 850.6 | 4.9 |
| 194 | Winkler | 841.3 | 841.1 | 0.2 |
| 195 | Hamilton | 836.4 | 835.9 | 0.5 |
| 196 | Ward | 835.8 | 835.6 | 0.2 |
| 197 | Shelby | 834.6 | 795.6 | 39.0 |
| 198 | Bailey | 827.5 | 826.8 | 0.7 |
| 199 | Panola | 821.3 | 801.8 | 19.6 |
| 200 | Refugio | 818.2 | 770.4 | 47.8 |
| 201 | Wilson | 808.4 | 803.7 | 4.7 |
| 202 | Kaufman | 807.7 | 780.7 | 27.0 |
| 203 | Grimes | 801.6 | 787.5 | 14.1 |
| 204 | Walker | 801.5 | 784.2 | 17.3 |
| 205 | Yoakum | 799.7 | 799.7 | 0.0 |
| 206 | Bandera | 797.6 | 791.0 | 6.7 |
| 207 | Hopkins | 792.8 | 767.2 | 25.6 |
| 208 | Crane | 785.7 | 785.1 | 0.7 |
| 209 | Willacy | 784.3 | 590.6 | 193.7 |
| 210 | Cochran | 775.2 | 775.2 | 0.1 |
| 211 | Falls | 773.8 | 765.5 | 8.4 |
| 212 | Karnes | 753.5 | 747.6 | 6.0 |
| 213 | Mills | 749.8 | 748.3 | 1.5 |
| 214 | Johnson | 734.5 | 724.7 | 9.8 |
| 215 | Guadalupe | 714.8 | 711.3 | 3.5 |
| 216 | Trinity | 714.0 | 693.6 | 20.4 |
| 217 | Lampasas | 713.9 | 712.8 | 1.1 |
| 218 | Childress | 713.7 | 696.4 | 17.3 |
| 219 | Blanco | 713.4 | 709.3 | 4.2 |
| 220 | San Patricio | 707.9 | 693.5 | 14.5 |
| 221 | Foard | 707.7 | 704.4 | 3.3 |
| 222 | Real | 700.1 | 699.2 | 0.9 |
| 223 | Hardeman | 696.9 | 695.1 | 1.8 |
| 224 | Wood | 695.7 | 645.2 | 50.5 |
| 225 | Hays | 679.9 | 678.0 | 1.9 |
| 226 | Burleson | 676.8 | 659.0 | 17.8 |
| 227 | Loving | 676.7 | 668.9 | 7.8 |
| 228 | Kendall | 663.0 | 662.5 | 0.6 |
| 229 | Austin | 656.4 | 646.5 | 9.9 |
| 230 | Lee | 634.1 | 629.0 | 5.1 |
| 231 | Wichita | 633.1 | 627.8 | 5.3 |
| 232 | San Jacinto | 627.9 | 569.2 | 58.7 |
| 233 | Washington | 621.8 | 604.0 | 17.8 |
| 234 | Upshur | 592.6 | 583.0 | 9.6 |
| 235 | San Augustine | 592.3 | 530.7 | 61.6 |
| 236 | Brazos | 591.2 | 585.5 | 5.8 |
| 237 | Sabine | 576.7 | 491.4 | 85.3 |
| 238 | Comal | 574.9 | 559.5 | 15.4 |
| 239 | Caldwell | 547.2 | 545.3 | 1.9 |
| 240 | Aransas | 528.0 | 252.1 | 275.9 |
| 241 | Waller | 517.8 | 513.4 | 4.4 |
| 242 | Madison | 472.4 | 466.1 | 6.4 |
| 243 | Hood | 436.8 | 420.6 | 16.2 |
| 244 | Titus | 425.6 | 406.1 | 19.6 |
| 245 | Marion | 420.3 | 380.9 | 39.4 |
| 246 | Orange | 379.5 | 333.7 | 45.9 |
| 247 | Franklin | 294.8 | 284.4 | 10.4 |
| 248 | Delta | 277.9 | 256.8 | 21.1 |
| 249 | Gregg | 275.8 | 273.3 | 2.5 |
| 250 | Rains | 258.8 | 229.5 | 29.4 |
| 251 | Morris | 258.7 | 252.0 | 6.7 |
| 252 | Camp | 203.2 | 195.8 | 7.4 |
| 253 | Somervell | 192.0 | 186.5 | 5.5 |
| 254 | Rockwall | 148.7 | 127.0 | 21.7 |
| Total | 268,596.5 | 261,231.9 | 7,364.7 | |