city, seat (1892) of Canyon county, southwestern Idaho, U.S., on the Boise River. It originated (1883) as a construction camp for the Oregon Short Line Railroad and was named for Alexander Caldwell, the railroad president. Lake Lowell (formerly Deer Flat Reservoir), a unit in the Boise Irrigation Project, is to the south. Caldwell developed as a processing and shipping point for diversified farm products but has acquired some industry, notably, the manufacture of mobile homes; it has also been a commercial printing and book-production centre since the 1930s. Caldwell is the seat of Albertson College of Idaho, founded in 1891 as The College of Idaho. Inc. 1890. Pop. (1990) 18,400; (2000) 25,967.

borough (township), Essex county, northeastern New Jersey, U.S. It lies 9 miles (14 km) northwest of Newark. Settled in the 1780s and incorporated in 1892, it is known as the birthplace of Grover Cleveland (Cleveland, Grover), the only American president born (1837) in New Jersey. His birthplace, a clapboarded Presbyterian parsonage, is preserved as a museum and state historic site. Caldwell College was established in 1939. The borough is mainly residential. Adhesives, surgical equipment, pesticides, and paper products are manufactured there. Pop. (1990) 7,549; (2000) 7,584.