Year	Population	Net Migration	% change
1981	2,980,340	40,591	2.5%
1982	3,064,868	50,501	2.8%
1983	3,137,512	37,111	2.4%
1984	3,174,844	3,263	1.2%
1985	3,214,448	5,317	1.2%
1986	3,243,803	-5,731	0.9%
1987	3,263,354	-14,299	0.6%
1988	3,271,448	-24,046	0.2%
1989	3,284,537	-18,698	0.4%
1990	3,304,042	-12,584	0.6%
1991	3,380,951	45,475	2.3%
1992	3,489,832	76,762	3.2%
1993	3,605,038	81,277	3.3%
1994	3,712,062	77,064	3.0%
1995	3,811,074	69,867	2.7%
1996	3,902,448	61,483	2.4%
1997	3,995,923	63,055	2.4%
1998	4,102,491	75,127	2.7%
1999	4,215,984	79,307	2.8%
2000	4,326,414	73,510	2.6%
2001	4,446,928	81,921	2.8%
2002	4,521,856	35,983	1.7%
2003	4,586,881	24,893	1.4%
2004	4,653,023	26,785	1.4%
2005	4,722,755	29,789	1.5%
2006	4,815,289	52,346	2.0%
2007e	4,909,989	54,000	2.0%

Source: Colorado Department of Local Affairs.

Updated 3/08