岡山車站 (臺灣鐵路)
利用狀況

根據2023年資料，本站每日旅運量約為4,850，在台鐵各站中排行第52名。
| -2000年> 年.年 | -2000年> 年間.上車 | -2000年> 年間.下車 | -2000年> 年間.上下車計 | -2000年> 年間.來源 | -2000年> 單日平均.上車 | -2000年> 單日平均.上下車 |
| --- | --- | --- | --- | --- | --- | --- |
| 1925 | 沒資料 | 沒資料 | 沒資料 |  | 467 | 1,151 |
| 1930 | 沒資料 | 沒資料 | 沒資料 |  | 420 | 792 |
| 1940 | 沒資料 | 沒資料 | 沒資料 |  | 1,295 | 2,638 |
| 1944 | 沒資料 | 沒資料 | 沒資料 |  | 3,281 | 6,868 |
| 1945 | 沒資料 | 沒資料 | 沒資料 |  | 813 | 1,966 |
| 1946 | 451,067 | 493,522 | 944,589 |  | 1,236 | 2,588 |
| 1947 | 沒資料 | 沒資料 | 沒資料 |  | 2,235 | 4,470 |
| 1965 | 沒資料 | 沒資料 | 沒資料 |  | 4861 | 9,287 |
沒資料
| 1975 | 1,675,506 | 1,550,361 | 3,225,867 |  | 4,590 | 8,838 |
| 1976 | 1,750,104 | 1,593,235 | 3,343,339 |  | 4,782 | 9,135 |
| 1977 | 1,471,885 | 1,352,574 | 2,824,459 |  | 4,033 | 7,738 |
1978: 沒資料
1979: 沒資料
| 1980 | 1,269,495 | 1,173,303 | 2,442,798 |  | 3,469 | 6,674 |
| 1981 | 1,184,228 | 1,072,283 | 2,256,511 |  | 3,244 | 6,182 |
| 1982 | 1,229,832 | 1,056,939 | 2,286,771 |  | 3,369 | 6,265 |
| 1983 | 1,204,929 | 1,045,669 | 2,250,598 |  | 3,301 | 6,166 |
| 1984 | 1,184,882 | 1,082,794 | 2,267,676 |  | 3,237 | 6,196 |
| 1985 | 1,220,293 | 1,187,035 | 2,407,328 |  | 3,343 | 6,595 |
| 1986 | 1,191,485 | 1,233,283 | 2,424,768 |  | 3,264 | 6,643 |
| 1987 | 1,165,882 | 1,214,465 | 2,380,347 |  | 3,194 | 6,521 |
| 1988 | 1,170,244 | 1,200,806 | 2,371,050 |  | 3,197 | 6,478 |
| 1989 | 1,100,056 | 1,135,068 | 2,235,124 |  | 3,014 | 6,124 |
| 1990 | 1,105,702 | 1,111,012 | 2,216,714 |  | 3,029 | 6,073 |
| 1991 | 1,239,243 | 1,219,209 | 2,458,452 |  | 3,395 | 6,735 |
| 1992 | 1,359,923 | 1,285,830 | 2,645,753 |  | 3,716 | 7,229 |
| 1993 | 1,488,000 | 1,357,565 | 2,845,565 |  | 4,077 | 7,796 |
| 1994 | 1,464,359 | 1,329,988 | 2,794,347 |  | 4,012 | 7,656 |
| 1995 | 1,527,415 | 1,330,751 | 2,858,166 |  | 4,185 | 7,831 |
| 1996 | 1,478,626 | 1,284,920 | 2,763,546 |  | 4,040 | 7,551 |
| 1997 | 1,552,771 | 1,327,641 | 2,880,412 |  | 4,254 | 7,892 |
| 1998 | 1,573,021 | 1,313,914 | 2,886,935 |  | 4,310 | 7,909 |
| 1999 | 1,676,388 | 1,445,362 | 3,121,750 |  | 4,593 | 8,553 |
| 2000 | 1,659,300 | 1,805,236 | 3,464,536 |  | 4,534 | 9,466 |
| 年 | 年間> 上車 | 年間> 下車 | 年間> 上下車計 | 年間> 來源 | 單日平均> 上車 | 單日平均> 上下車 |
| --- | --- | --- | --- | --- | --- | --- |
| 2001 | 1,602,362 | 1,597,286 | 3,199,648 |  | 4,390 | 8,766 |
| 2002 | 1,520,809 | 1,545,651 | 3,066,460 |  | 4,167 | 8,401 |
| 2003 | 1,393,322 | 1,409,806 | 2,803,128 |  | 3,817 | 7,680 |
| 2004 | 1,402,480 | 1,412,247 | 2,814,727 |  | 3,832 | 7,691 |
| 2005 | 1,387,608 | 1,411,583 | 2,799,191 |  | 3,802 | 7,669 |
| 2006 | 1,382,882 | 1,410,398 | 2,793,280 |  | 3,789 | 7,653 |
| 2007 | 1,357,388 | 1,408,686 | 2,766,074 |  | 3,719 | 7,578 |
| 2008 | 1,404,005 | 1,434,097 | 2,838,102 |  | 3,836 | 7,754 |
| 2009 | 1,321,984 | 1,352,850 | 2,674,834 |  | 3,622 | 7,328 |
| 2010 | 1,341,175 | 1,366,342 | 2,707,517 |  | 3,674 | 7,418 |
| 2011 | 1,233,367 | 1,294,344 | 2,527,711 |  | 3,379 | 6,925 |
| 2012 | 1,251,312 | 1,294,502 | 2,545,814 |  | 3,419 | 6,956 |
| 2013 | 1,112,260 | 1,129,712 | 2,241,972 |  | 3,047 | 6,142 |
| 2014 | 1,088,983 | 1,087,608 | 2,176,591 |  | 2,984 | 5,963 |
| 2015 | 1,096,580 | 1,102,822 | 2,199,402 |  | 3,004 | 6,026 |
| 2016 | 1,086,122 | 1,078,376 | 2,164,498 |  | 2,968 | 5,914 |
| 2017 | 1,107,232 | 1,108,364 | 2,215,596 |  | 3,034 | 6,070 |
| 2018 | 1,076,243 | 1,087,785 | 2,164,028 |  | 2,949 | 5,929 |
| 2019 | 1,064,715 | 1,070,716 | 2,135,431 |  | 2,917 | 5,851 |
| 2020 | 908,872 | 918,985 | 1,827,857 |  | 2,483 | 4,994 |
| 2021 | 708,051 | 711,689 | 1,419,740 |  | 1,940 | 3,890 |
| 2022 | 733,012 | 737,802 | 1,470,814 |  | 2,008 | 4,030 |
| 2023 | 881,054  | 889,176  | 1,770,230  |  | 2,414  | 4,850  |