| Locality (by Townships or District) | Candidate Name | No. |
Votes |
Share |
| Xinying District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 21476 | 47.1244% |
| Yanshui District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 6712 | 43.8235% |
| Baihe District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 5630 | 33.7753% |
| Liuying District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 5924 | 44.338% |
| Houbi District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 5220 | 36.1922% |
| Dongshan District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 4693 | 39.8015% |
| Xiaying District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 4827 | 33.2232% |
| Liujia District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 4116 | 31.4079% |
| Xuejia District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 4579 | 29.2326% |
| Jiangjun District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 3379 | 28.6477% |
| Beimen District, 1st Constituency, Tainan City | Tsai Yu-Hui | 07 | 2012 | 31.8153% |
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