Bellevue is a borough in Allegheny County, Pennsylvania, along the Ohio River, adjoining Pittsburgh. The 1890 population was 1,418; the 1900 population was 3,416; the 1910 population was 6,323; and the 1940 population was 10,488. The population was 8,770 at the 2000 census. The borough was incorporated in 1867, named by a French linguist for its 'beautiful view' or belle vue. Bellevue apartments for rent comparison page shows most up to date rent information on Bellevue apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.