Lodi . City (1990 pop. 51,874), San Joaquin co., central Calif., on the Mokelumne River, in a rich farm area; inc. 1906. Agricultural products include nursery stock, sugar beets, fruit, nuts, grain, and dairy and beef cattle. Wine and processed foods are made, and there is diverse manufacturing. Lodi was founded in 1869 and settled by wheat farmers from the Dakotas, mostly of German descent.