Annual estimated populaton for Colorado 2010 - 2019
| Date | Population | People Per Square Mile |
|---|---|---|
| 7/1/2010 | 5,047,349 | 48.701 |
| 7/1/2011 | 5,121,108 | 49.413 |
| 7/1/2012 | 5,192,647 | 50.103 |
| 7/1/2013 | 5,269,035 | 50.841 |
| 7/1/2014 | 5,350,101 | 51.623 |
| 7/1/2015 | 5,450,623 | 52.593 |
| 7/1/2016 | 5,539,215 | 53.447 |
| 7/1/2017 | 5,611,885 | 54.149 |
| 7/1/2018 | 5,691,287 | 54.915 |
| 7/1/2019 | 5,758,736 | 55.566 |