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.

Middlesex County, NJ

Year Starting population Ending population Change Percent change Natural increase Net migration
2000-2001 752,880 761,770 8,890 1.18% 4,537 4,353
2001-2002 761,770 769,280 7,510 0.99% 4,792 2,718
2002-2003 769,280 775,973 6,693 0.87% 5,447 1,246
2003-2004 775,973 781,582 5,609 0.72% 5,093 516
2004-2005 781,582 787,329 5,747 0.74% 4,759 988
2005-2006 787,329 786,890 -439 -0.06% 4,767 -5,206
2006-2007 786,890 792,137 5,247 0.67% 5,291 -44
2007-2008 792,137 799,191 7,054 0.89% 4,948 2,106
2008-2009 799,191 805,204 6,013 0.75% 4,817 1,196
2009-2010 805,204 811,272 6,068 0.75% 4,806 1,262
2010-2011 811,272 817,400 6,128 0.76% 4,330 1,798
2011-2012 817,400 824,447 7,047 0.86% 4,548 2,499
2012-2013 824,447 830,815 6,368 0.77% 4,020 2,348
2013-2014 830,815 836,297 5,482 0.66% 3,847 1,635
2014-2015 837,339 840,900 3,561 0.43% 3,405 156
2015-2016 840,900 839,986 -914 -0.11% 3,234 -4,148
2016-2017 839,986 827,684 -12,302 -1.46% 3,037 -15,339
2017-2018 827,684 829,685 2,001 0.24% 2,710 -709