Population history for Chillicothe
| Year | Estimated Population |
|---|
|
2011
|
9,444
|
|
2010
|
9,513
|
|
2009
|
8,706
|
|
2008
|
8,641
|
|
2007
|
8,646
|
|
2006
|
8,621
|
|
2005
|
8,625
|
|
2004
|
8,695
|
|
2003
|
8,766
|
|
2002
|
8,817
|
|
2001
|
8,918
|
|
2000
|
8,965
|
|
1999
|
8,677
|
|
1998
|
8,765
|
|
1997
|
8,845
|
|
1996
|
8,911
|
|
1995
|
8,970
|
|
1994
|
9,042
|
|
1993
|
9,009
|
|
1992
|
9,100
|
|
1991
|
8,968
|
|
1990
|
9,046
|