From the election returns on the Secretary of State web page:

U. S. Representative District 23


Candidate          Total  Pct   Early  Pct

Henry Bonilla* REP 13,586 29.3% 11,163 26.2% 

Henry Cuellar  DEM 32,426 69.9% 31,053 73.0% 

Jeffrey Blunt  LIB    279  0.6%    225  0.5% 

Ed Scharf      GRN    128  0.3%    104  0.2%

----------------------------  

        Vote Total 46,419       42,545  

        Precincts Reporting  45 of 339 Precincts 13.3%

This would be a Democratic pickup if it holds. Some other races with Dem incumbents are close early on, so this one would be nice to have.