Oak GroveBí-kok Illinois chiu Rock Island kūn ê chi̍t ê chng-thâu (village).

Oak Grove
—  Chng-thâu (village)  —
Oak Grove is located in Illinois
Oak Grove
Oak Grove
Oak Grove tī Bí-kok Illinois ê ūi-tì
Keng-hūi-tō͘: 41°24′48″N 90°34′11″W / 41.41333°N 90.56972°W / 41.41333; -90.56972
Kok-ka  Bí-kok
Chiu Illinois
Kūn Rock Island
Chèng-hú
 - Lūi-hêng village
Bīn-chek
 - Lóng-chóng 1.6 km2
Jîn-kháu
 - Lóng-chóng 715 lâng
 - Bi̍t-tō͘ 446.9/km2


Che sī chi̍t phiⁿ koan-î Bí-kok Illinois Chiu tē-lí ê phí-á-kiáⁿ. Chhiáⁿ tàu khok-chhiong.