| Locality (by Townships or District) | Candidate Name | No. |
Votes |
Share |
| Shalu District, 2nd Constituency, Taichung City | Yen Kuan-Heng | 01 | 26985 | 49.1996% |
| Shalu District, 2nd Constituency, Taichung City | Chen Po-Wei | 02 | 27863 | 50.8004% |
| Wuri District, 2nd Constituency, Taichung City | Yen Kuan-Heng | 01 | 21446 | 47.1082% |
| Wuri District, 2nd Constituency, Taichung City | Chen Po-Wei | 02 | 24079 | 52.8918% |
| Dadu District, 2nd Constituency, Taichung City | Yen Kuan-Heng | 01 | 17133 | 49.8923% |
| Dadu District, 2nd Constituency, Taichung City | Chen Po-Wei | 02 | 17207 | 50.1077% |
| Longjing District, 2nd Constituency, Taichung City | Yen Kuan-Heng | 01 | 22812 | 49.9037% |
| Longjing District, 2nd Constituency, Taichung City | Chen Po-Wei | 02 | 22900 | 50.0963% |
| Wufeng District, 2nd Constituency, Taichung City | Yen Kuan-Heng | 01 | 19390 | 48.2578% |
| Wufeng District, 2nd Constituency, Taichung City | Chen Po-Wei | 02 | 20790 | 51.7422% |
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