| Year | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| General route | Incheon /Baengnyeong |
340,783 | 373,206 | 295,783 | 305,185 | 333,374 | 374,431 | 407,502 | 400,692 | 255,100 | 265,012 |
| Incheon /Yeonpyeong |
111,401 | 108,894 | 98,224 | 99,303 | 102,251 | 104,218 | 104,654 | 107,615 | 86,424 | 92,118 | |
| Incheon /Deokjeok |
299,010 | 319,087 | 283,360 | 311,052 | 300,572 | 241,732 | 228,759 | 230,538 | 191,242 | 196,272 | |
| Incheon /Ijak |
117,824 | 125,216 | 111,651 | 108,646 | 115,754 | 204,684 | 213,773 | 248,632 | 215,829 | 195,151 | |
| Incheon /Jeju |
98,104 | 118,717 | 31,914 | - | - | - | - | - | - | 2,322 | |
| sub Total | 967,122 | 1,045,120 | 820,932 | 824,186 | 851,951 | 925,065 | 954,688 | 987,477 | 748,595 | 750,875 | |
| Year | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
| Subsidized line | Incheon /Daenanji |
12,027 | - | - | - | - | - | - | - | - | - |
| Incheon /Yukdo and Pungdo |
357 | 18,110 | 17,990 | 17,391 | 16,703 | 17,018 | 15,882 | 16,263 | 14,459 | 17,495 | |
| sub Total | 12,384 | 18,110 | 17,990 | 17,391 | 16,703 | 17,018 | 15,882 | 16,263 | 14,459 | 17,495 | |
| Sum | 979,506 | 1,063,230 | 838,922 | 841,577 | 868,654 | 942,083 | 970,570 | 1,003,740 | 763,054 | 768,370 | |
