| Texas State Senate District ID | 18 |
| Representative | Lois Kolkhorst |
| Party Affiliation | Republican |
| 78963 |
| 78962 |
| 78959 |
| 78957 |
| 78956 |
| 78954 |
| 78950 |
| 78949 |
| 78948 |
| 78947 |
| 78946 |
| 78945 |
| 78944 |
| 78942 |
| 78941 |
| 78940 |
| 78938 |
| 78933 |
| 78932 |
| 78931 |
| 78677 |
| 78659 |
| 78658 |
| 78650 |
| 78648 |
| 78632 |
| 78629 |
| 78621 |
| 78614 |
| 78393 |
| 78390 |
| 78382 |
| 78377 |
| 78358 |
| 78340 |
| 78336 |
| 78164 |
| 78159 |
| 78141 |
| 78140 |
| 78122 |
| 78119 |
| 78107 |
| 77995 |
| 77994 |
| 77993 |
| 77990 |
| 77986 |
| 77984 |
| 77983 |
| 77982 |
| 77979 |
| 77977 |
| 77975 |
| 77974 |
| 77971 |
| 77968 |
| 77967 |
| 77964 |
| 77963 |
| 77954 |
| 77951 |
| 77950 |
| 77905 |
| 77904 |
| 77901 |
| 77880 |
| 77879 |
| 77878 |
| 77876 |
| 77873 |
| 77868 |
| 77863 |
| 77861 |
| 77853 |
| 77852 |
| 77836 |
| 77835 |
| 77833 |
| 77831 |
| 77830 |
| 77498 |
| 77494 |
| 77493 |
| 77485 |
| 77484 |
| 77479 |
| 77478 |
| 77474 |
| 77471 |
| 77469 |
| 77465 |
| 77464 |
| 77461 |
| 77457 |
| 77450 |
| 77447 |
| 77446 |
| 77445 |
| 77435 |
| 77433 |
| 77426 |
| 77423 |
| 77418 |
| 77407 |
| 77406 |
| 77363 |
| 77362 |
| 77356 |
| 77355 |
| 77354 |
| 77316 |
| 77095 |
| 77083 |
| 77082 |
| 76578 |
| 76567 |