Texas House District 102 includes portions of Addison, Dallas, Garland, and Richardson.
In 2018, Democrat Ana-Maria Ramos flipped the seat from then-incumbent Republican Linda Koop by 5.76 percentage points.
In 2020, Ramos once again defeated Koop to retain her seat, this time by 7.82 percentage points.
| Ana-Maria Ramos (D) | Linda Koop (R) | |
| Totals | ||
| Total Money Raised | $394,233 | $913,734 |
| Total Number of Donations | 2,406 | 601 |
| Average Donation Amount | $163.85 | $1,520.36 |
| In-District | ||
| Total Money Raised In-District | $39,684 | $27,626 |
| Total Number of Donations From In-District | 656 | 171 |
| Percentage Raised From In-District | 10% | 3% |
| Out-Of-District | ||
| Total Money Raised Outside District | $354,549 | $886,108 |
| Total Number of Donations Raised Outside District | 1,750 | 430 |
| Percentage Raised From Outside District | 90% | 97% |
| Expenditures | ||
| Total Expenditures | $186,910 | $369,283 |
| Total Votes (November 3 General Election) | 37,141 | 31,758 |
| Cost Per Vote | $5.03 | $11.63 |
| Cash-On-Hand | ||
| Cash-On-Hand | $200,429 | $123,698 |
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