


In the 2024 House race for TX-20, Joaquin Castro (D) ran unopposed and received 157,890 votes. Running without a challenger is rare and usually indicates either a safe party stronghold or that the opposition could not field a candidate.
As the incumbent, Joaquin Castro benefited from name recognition, established constituent services, and the roughly 2-3 point advantage that sitting members typically enjoy. The 2024 presidential election drove higher voter turnout, which can help or hurt down-ballot candidates depending on the top of the ticket.
In the 2022 House race for TX-20, Joaquin Castro (D) won with 68.4% of the vote, defeating Kyle Sinclair (R) who received 31.6%. A third candidate also appeared on the ballot. Joaquin Castro's 36.9-point advantage over the runner-up confirmed a comfortable win.
As the incumbent, Joaquin Castro benefited from name recognition, established constituent services, and the roughly 2-3 point advantage that sitting members typically enjoy. As a Democrat, Joaquin Castro won despite the historical midterm penalty against the president's party (Democrat Biden was in office). The wide margin suggests this district is firmly in the Democrat column for the foreseeable future.
In the 2020 House race for TX-20, Joaquin Castro (D) won with 64.7% of the vote, defeating Mauro Garza (R) who received 33.1%. A third candidate also appeared on the ballot. Joaquin Castro's 31.6-point advantage over the runner-up confirmed a comfortable win.
As the incumbent, Joaquin Castro benefited from name recognition, established constituent services, and the roughly 2-3 point advantage that sitting members typically enjoy. The 2020 presidential election drove higher voter turnout, which can help or hurt down-ballot candidates depending on the top of the ticket. The wide margin suggests this district is firmly in the Democrat column for the foreseeable future.
In the 2018 House race for TX-20, Joaquin Castro (D) defeated Jeffrey Blunt (L) 80.8% to 19.1%. Joaquin Castro received 139,038 votes compared to 32,925 for Jeffrey Blunt, a dominant 61.7-point margin reflecting a safely partisan district.
As the incumbent, Joaquin Castro benefited from name recognition, established constituent services, and the roughly 2-3 point advantage that sitting members typically enjoy. As a Democrat, Joaquin Castro benefited from the historical midterm penalty against the president's party — with a Republican in the White House, the opposition typically gains seats.
In the 2016 House race for TX-20, Joaquin Castro (D) won with 79.7% of the vote, defeating Jeffrey C. Blunt (L) who received 15.5%. A third candidate also appeared on the ballot. Joaquin Castro's 64.3-point advantage over the runner-up confirmed a comfortable win.
As the incumbent, Joaquin Castro benefited from name recognition, established constituent services, and the roughly 2-3 point advantage that sitting members typically enjoy. The 2016 presidential election drove higher voter turnout, which can help or hurt down-ballot candidates depending on the top of the ticket.
In the 2014 House race for TX-20, Joaquin Castro (D) defeated Jeffrey C. Blunt (L) 75.7% to 24.3%. Joaquin Castro received 66,554 votes compared to 21,410 for Jeffrey C. Blunt, a dominant 51.3-point margin reflecting a safely partisan district.
As the incumbent, Joaquin Castro benefited from name recognition, established constituent services, and the roughly 2-3 point advantage that sitting members typically enjoy. As a Democrat, Joaquin Castro won despite the historical midterm penalty against the president's party (Democrat Obama was in office).
In the 2012 House race for TX-20, Joaquin Castro (D) won with 63.9% of the vote, defeating David Rosa (R) who received 33.5%. 2 additional candidates split the remaining vote. Joaquin Castro's 30.4-point advantage over the runner-up confirmed a comfortable win.
This was an open-seat race. Open seats typically attract stronger candidates and heavier spending from both parties. The 2012 presidential election drove higher voter turnout, which can help or hurt down-ballot candidates depending on the top of the ticket.