Texas House District 66 includes portions of Dallas and Plano.
Republican incumbent Matt Shaheen was re-elected to the seat in 2018 by 0.58 percentage points.
In 2020, Shaheen defeated his 2018 opponent, Sharon Hirsch, by 1.21 percentage points.
|Sharon Hirsch (D)||Matt Shaheen (R) (I)|
|Total Money Raised||$1,172,607||$1,307,650|
|Total Number of Donations||13,927||370|
|Average Donation Amount||$84.20||$3,534.19|
|Total Money Raised In-District||$69,106||$32,250|
|Total Number of Donations From In-District||782||79|
|Percentage Raised From In-District||6%||2%|
|Total Money Raised Outside District||$1,103,501||$1,275,400|
|Total Number of Donations Raised Outside District||13,145||291|
|Percentage Raised From Outside District||94%||98%|
|Total Votes (November 3 General Election)||41,210||42,239|
|Cost Per Vote||$14.93||$10.62|