Region 4
Population
Source:  Population Estimates Program, Population Division, U.S. Census Bureau WA
	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008
Ada	260,174	267,005	275,623	283,402	300,904	312,337	319,687	325,151	332,523	344,727	359,035	373,406	380,920
Boise	4,900	5,041	5,121	5,311	6,670	7,011	7,067	7,236	7,362	7,535	7,641	7,571	7,504
Elmore	23,612	24,678	25,359	25,627	29,130	29,157	29,481	28,872	28,878	28,634	28,114	28,856	28,997
Valley	7,957	8,076	8,010	7,858	7,651	7,716	7,526	7,743	7,970	8,332	8,836	8,945	8,862
Total	296,643	304,800	314,113	322,198	344,355	356,221	363,761	369,002	376,733	389,228	403,626	418,778	426,283