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.

Washington County, MO

Year Starting population Ending population Change Percent change Natural increase Net migration
2000-2001 23,395 23,514 119 0.51% 104 15
2001-2002 23,514 23,796 282 1.20% 132 150
2002-2003 23,796 23,956 160 0.67% 50 110
2003-2004 23,956 24,174 218 0.91% 64 154
2004-2005 24,174 24,211 37 0.15% 67 -30
2005-2006 24,211 24,619 408 1.69% 137 271
2006-2007 24,619 24,856 237 0.96% 85 152
2007-2008 24,856 25,113 257 1.03% 85 172
2008-2009 25,113 25,111 -2 -0.01% 49 -51
2009-2010 25,111 25,164 53 0.21% 52 1
2010-2011 25,164 25,094 -70 -0.28% 66 -136
2011-2012 25,094 25,091 -3 -0.01% 58 -61
2012-2013 25,091 25,137 46 0.18% 24 22
2013-2014 25,137 25,077 -60 -0.24% 14 -74
2014-2015 25,076 24,788 -288 -1.15% 8 -296
2015-2016 24,788 24,832 44 0.18% -17 61
2016-2017 24,832 25,022 190 0.77% 14 176