Waterloo, a W. central county of Ontario, Canada, drained by the Grand river; area, sq. m.; pop. in 1871, 40,251, of whom 22,050 were of German, 7,315 of Scotch, 5,056 of English, 3,220 of Irish, 1,536 of French, and 583 of Dutch origin or descent. It is traversed by the Grand Trunk and Great Western railways. Capital, Berlin.
Waterloo, a city and the county seat of Black Hawk co., Iowa, on both sides of Cedar river, 85 m. W. of Dubuque and 90 m. N. E. of Des Moines; pop. in 1870, 4,337; in 1875, 5,508. It is regularly laid out, the streets running N. W. and S. E. in conformity with the course of the river. The business portion is substantially built, chiefly of brick. It is surrounded by a fine agricultural country, and has good water power. Ample railroad facilities are afforded by the Illinois Central, the Burlington, Cedar Rapids, and Minnesota, and the Cedar Falls and Minnesota lines. There are two large flouring mills, a woollen mill, several founderies, a manufactory of agricultural implements, a cheese factory, and a pork-packing establishment. The city has a national bank, a private bank, a savings bank, three public school houses, a Roman Catholic school, a seminary, three weekly newspapers (one German), and Baptist, Congregational, Episcopal, Evangelical, Lutheran, Methodist, Presbyterian, Roman Catholic, and Universalist churches. - Waterloo was first settled in 1846. It was laid out as a town in 1854, and incorporated as a city in 1868.