State/County Annual Population Change

Select a state and (optional) county to show annual population change from 2000 to 2017.

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.

Clay County, MO

Year Starting population Ending population Change Percent change Natural increase Net migration
2000-2001 184,703 188,024 3,321 1.80% 1,364 1,957
2001-2002 188,024 190,959 2,935 1.56% 1,423 1,512
2002-2003 190,959 193,436 2,477 1.30% 1,452 1,025
2003-2004 193,436 196,718 3,282 1.70% 1,511 1,771
2004-2005 196,718 200,659 3,941 2.00% 1,519 2,422
2005-2006 200,659 206,369 5,710 2.85% 1,678 4,032
2006-2007 206,369 211,179 4,810 2.33% 1,752 3,058
2007-2008 211,179 215,142 3,963 1.88% 1,761 2,202
2008-2009 215,142 219,669 4,527 2.10% 1,787 2,740
2009-2010 219,669 222,696 3,027 1.38% 1,718 1,309
2010-2011 222,696 225,148 2,452 1.10% 1,513 939
2011-2012 225,148 227,689 2,541 1.13% 1,417 1,124
2012-2013 227,689 230,706 3,017 1.33% 1,564 1,453
2013-2014 230,706 233,682 2,976 1.29% 1,500 1,476
2014-2015 233,297 235,637 2,340 1.00% 1,433 907
2015-2016 235,637 238,762 3,125 1.33% 1,294 1,831
2016-2017 238,762 242,874 4,112 1.72% 1,310 2,802