Denison en Iowa's Population Growth <p>While Iowa&#39;s total population grew by 2.8 percent over the past nine years, the 2010 Census Report shows that the growth has occurred in the state&#39;s largest cities and their suburbs, while the rural areas are losing residents. Tue, 31 Jul 2012 12:59:23 +0000 Ben Kieffer 5509 at Iowa's Population Growth