State/County Annual Population Change
Select a state and (optional) county to show annual population change from 2000 to 2018.
Usage/data notes 
- Natural increase is the difference between births and deaths in a year.
- Net migration is the difference between total change (starting and ending populations) and natural increase. Positive numbers represent migration into the selected area.
- Pre-2010 figures are intercensal estimates issued October 2011.
- Visit the MCDC population estimates page for more population-related data applications.
Hartford County, CT
| Year | Starting population | Ending population | Change | Percent change | Natural increase | Net migration |
|---|---|---|---|---|---|---|
| 2000-2001 | 858,416 | 862,573 | 4,157 | 0.48% | 2,383 | 1,774 |
| 2001-2002 | 862,573 | 867,451 | 4,878 | 0.57% | 2,761 | 2,117 |
| 2002-2003 | 867,451 | 873,335 | 5,884 | 0.68% | 2,332 | 3,552 |
| 2003-2004 | 873,335 | 874,449 | 1,114 | 0.13% | 2,758 | -1,644 |
| 2004-2005 | 874,449 | 878,081 | 3,632 | 0.42% | 2,451 | 1,181 |
| 2005-2006 | 878,081 | 881,298 | 3,217 | 0.37% | 2,391 | 826 |
| 2006-2007 | 881,298 | 884,548 | 3,250 | 0.37% | 2,926 | 324 |
| 2007-2008 | 884,548 | 887,891 | 3,343 | 0.38% | 2,706 | 637 |
| 2008-2009 | 887,891 | 891,667 | 3,776 | 0.43% | 2,872 | 904 |
| 2009-2010 | 891,667 | 895,197 | 3,530 | 0.40% | 2,507 | 1,023 |
| 2010-2011 | 895,197 | 897,142 | 1,945 | 0.22% | 1,801 | 144 |
| 2011-2012 | 897,142 | 897,698 | 556 | 0.06% | 1,739 | -1,183 |
| 2012-2013 | 897,698 | 898,848 | 1,150 | 0.13% | 1,640 | -490 |
| 2013-2014 | 898,848 | 897,985 | -863 | -0.10% | 1,589 | -2,452 |
| 2014-2015 | 896,871 | 895,841 | -1,030 | -0.11% | 1,480 | -2,510 |
| 2015-2016 | 895,841 | 895,497 | -344 | -0.04% | 1,009 | -1,353 |
| 2016-2017 | 895,497 | 892,931 | -2,566 | -0.29% | 966 | -3,532 |
| 2017-2018 | 892,931 | 892,697 | -234 | -0.03% | 897 | -1,131 |