Delaware County League, also called Delco League, was an Independent League that was based in Pennsylvania.

1905       Norwood, Prospect Park, Ridley Park, Sharon Hill

1906 to 1913    Not Sure if this league played

1914       Chester, Clifton, Media, Upland

1915       Chester, Clifton, Media, Upland

1916       Brill, Chester, Clifton, Media, Paschall, Upland

1917       Chester, Chester-Globe Tire, Media, Upland

1920       Lansdowne, Media, Morton, Rockdale, Upper Darby-Drexel Hill, Upper Darby-Highland Park