Boomburbs are defined as incorporated places in top 50 Metropolitan areas in the United States having more than 100,000 residents that are not the core cities in their metropolitan areas and have maintained double-digit rates of population growth (10% or more) over consecutive censuses between 1970 and 2000 [REF].
As of the 2000 Census, the United States contained 54 boomburbs, which accounted for about half of the 1990s growth in cities with between 100,000 and 500,000 residents [REF].