| Legislature |
Senator, District 18 |
Counties in District |
| 1 |
José Antonio Navarro |
Bexar. |
| 2 |
Bexar, Comal. |
| 3 |
Alexander H. Phillips |
Calhoun, DeWitt, Gonzales, Jackson, Matagorda, Victoria. |
| 4 |
Franklin H. Merriman
Mark M. Potter |
Brazoria, Galveston. |
| 5 |
Cornelius McAnelly |
Harris. |
| 6 |
Edward A. Palmer |
| 7 |
Benjamin F. Tankersly
Hiram George Runnels |
| 8 |
Abram Morris Gentry |
| 9 |
John W. Durant |
Brazos, Burleson, Leon, Madison, Robertson. |
| 10 |
| 11 |
James B. Boyd |
| 12 |
Phidello W. Hall |
Freestone, Leon, Robertson. |
| 13 |
| 14 |
William D. Wood |
Brazos, Leon, Robertson. |
| 15 |
John Thomas Brady |
Harris, Montgomery. |
| 16 |
Charles Stewart |
| 17 |
| 18 |
William O. Davis |
Cooke, Grayson. |
| 19 |
| 20 |
Elbridge G. Douglass |
| 21 |
Elbridge G. Douglass
John W. Finlay |
| 22 |
Calhoun L. Potter |
| 23 |
Friench Simpson |
Colorado, Fayette, Lavaca. |
| 24 |
| 25 |
Abnus B. Kerr |
| 26 |
| 27 |
David A. Paulus |
| 28 |
Austin, Colorado, Fayette, Lavaca. |
| 29 |
| 30 |
| 31 |
| 32 |
| 33 |
David A. Paulus
Issac E. Clark |
| 34 |
Issac E. Clark |
| 35 |
| 36 |
| 37 |
| 38 |
| 39 |
John Heywood Bailey |
Aransas, Atascosa, Bee, Calhoun, DeWitt, Goliad, Jackson, Karnes, Live Oak, Refugio, San Patricio, Victoria, Wilson. |
| 40 |
| 41 |
James W. Stevenson |
| 42 |
| 43 |
Elmo J. Blackert |
| 44 |
| 45 |
Morris Roberts |
| 46 |
| 47 |
Fred Mauritz |
| 48 |
| 49 |
| 50 |
| 51 |
John Junior Bell |
| 52 |
| 53 |
John Junior Bell
William S. Fly |
Aransas, Bee, Calhoun, DeWitt, Goliad, Jackson, Karnes, Live Oak, McMullen, Refugio, San Patricio, Victoria. |
| 54 |
William S. Fly |
| 55 |
| 56 |
| 57 |
W. N. “Bill” Patman |
| 58 |
| 59 |
| 60 |
Aransas, Austin, Calhoun, Colorado, DeWitt, Gonzales, Guadalupe, Jackson, Lavaca, Matagorda, San Patricio, Victoria, Washington, Wharton. |
| 61 |
| 62 |
| 63 |
Bastrop, Bell, DeWitt, Fayette, Goliad, Gonzales, Jackson, Karnes, Lavaca, Lee, Milam, Victoria, Williamson. |
| 64 |
| 65 |
| 66 |
| 67 |
John T. Wilson |
| 68 |
John Sharp |
All of Aransas, Bastrop, Caldwell, Calhoun, DeWitt, Fayette, Goliad, Gonzales, Jackson, Karnes, Lavaca, Lee, Matagorda, Refugio, Victoria.
Portions of Brazoria, Fort Bend, Williamson. |
| 69 |
| 70 |
Ken Armbrister |
| 71 |
| 72 |
| 73 |
All of Aransas, Austin, Bastrop, Caldwell, Calhoun, Colorado, DeWitt, Fayette, Goliad, Gonzales, Jackson, Karnes, Lavaca, Matagorda, Refugio, Victoria, Wharton.
Portions of Fort Bend, Hays. |
| 74 |
All of Aransas, Austin, Bastrop, Caldwell, Calhoun, Colorado, DeWitt, Fayette, Goliad, Gonzales, Jackson, Karnes, Lavaca, Matagorda, Refugio, Victoria, Wharton.
Portions of Fort Bend, Guadalupe, Hays. |
| 75 |
| 76 |
| 77 |
| 78 |
All of Aransas, Austin, Bastrop, Caldwell, Calhoun, Colorado, DeWitt, Fayette, Goliad, Gonzales, Jackson, Lavaca, Matagorda, Refugio, Victoria, Waller, Washington, Wharton.
Portion of Fort Bend. |
| 79 |
| 80 |
Glenn Hegar |
| 81 |