2010 Population and Percent Change by CDOT Region
*Note that these figures were calculated using the updated region boundaries as of July 2013
Region	Population_2000	Population_2010	% Change
1	2,167,379	2,531,650	14.4%
2	818,808	943,342	13.2%
3	374,046	453,612	17.5%
4	785,407	930,494	15.6%
5	155,621	170,098	8.5%
	4,301,261	5,029,196
*Source: US Census; CDOT