Texas SenateDistrict 18Republican
State Sen. Lois Kolkhorst
Senator, Senate District 18 · Brenham
- Term
- Jan. 10, 2023 – Jan. 12, 2027
- Serving since
- 2014
- Seniority
- #9 of 31
- Occupation
- Business Owner
- Education
- B.S. Texas Christian University
- Next election
- Nov. 5, 2030 (primary March 5, 2030)
Contact
District
Official Senate District 18 map (PDF)
- Counties
- Aransas, Austin, Burleson, Calhoun, DeWitt, Fayette, Fort Bend (Part), Goliad, Gonzales, Grimes, Harris (Part), Lavaca, Lee, Montgomery (Part), Refugio, Victoria, Waller (Part), Washington
- Cities & CDPs
- Alamo Beach, Anderson, Aransas Pass (Part), Austwell, Bayside, Beaver Creek, Bedias, Bellville, Bloomington, Brazos Country, Brenham, Brookshire, Brazos, Cade Lakes, Caldwell, Carmine, Clay, Cuero, Cumings, Dime Box, Deanville, Fayetteville, Flatonia, Four Corners, Fulton, Giddings, Goliad, Gonzales, Hallettsville, Harwood, Hempstead, Holiday Beach, Houston (Part), Industry, Inez, Iola, La Grange, Lamar, Lexington, Lyons, Magnolia Beach, Mission Bend (Part), Moulton, Navasota, New Ulm, Nixon, Nordheim, Orchard, Pattison, Pecan Grove, Pine Island, Pinebrook, Plantersville, Placedo, Pleak, Plum, Point Comfort, Port Lavaca, Port O’Connor, Prairie View, Quail Creek, Refugio, Richards, Richmond, Rockport, Rosenberg, Round Top, San Felipe, Schulenburg, Seadrift, Sealy, Shiner, Shiro, Smiley, Snook, Somerville, South Frydek, Sugar Land (Part), Tivoli, Todd Mission, Tunis, Victoria, Waelder, Wallis, Waller (Part), Washington, Woodsboro, Yoakum (Part), Yorktown
- Region
- Central Texas; Gulf Coast (Houston)
District Profile
945,180Population (2020 Census)
706,189Voting-age population
- Hispanic 30.4%
- Anglo 39.8%
- Black 16.2%
- Asian 12.9%
- Other 0.7%
656,310Registered voters (2024)
64.4%2024 turnout (422,981 votes)
18.9%Spanish-surname registered voters
How this district voted
2024 President
Trump 62.6% · Harris 35.3%
2024 U.S. Senate
Cruz 59.7% · Allred 37.8%
Source: Texas Legislative Council, PLANS2168 reports Red-100 (2020 Census) and Red-206 (2024 general election).
Committees
89th Legislature (2025)
Legislation
Campaign Finance
TPR Coverage
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Service History
- Texas Senate, District 18 · 2014–present
- Texas House, — · 2001–2014 (district not recorded on current page)