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.

Warren County, MO

Year Starting population Ending population Change Percent change Natural increase Net migration
2000-2001 24,745 25,426 681 2.75% 109 572
2001-2002 25,426 26,266 840 3.30% 135 705
2002-2003 26,266 27,169 903 3.44% 130 773
2003-2004 27,169 27,971 802 2.95% 109 693
2004-2005 27,971 29,095 1,124 4.02% 181 943
2005-2006 29,095 30,175 1,080 3.71% 220 860
2006-2007 30,175 31,152 977 3.24% 276 701
2007-2008 31,152 31,975 823 2.64% 177 646
2008-2009 31,975 32,320 345 1.08% 199 146
2009-2010 32,320 32,574 254 0.79% 187 67
2010-2011 32,574 32,614 40 0.12% 154 -114
2011-2012 32,614 32,785 171 0.52% 128 43
2012-2013 32,785 33,010 225 0.69% 153 72
2013-2014 33,010 33,253 243 0.74% 124 119
2014-2015 33,253 33,513 260 0.78% 104 156
2015-2016 33,513 33,815 302 0.90% 128 174
2016-2017 33,815 34,365 550 1.63% 99 451
2017-2018 34,365 34,711 346 1.01% 103 243