Population history for Greencastle
| Year | Estimated Population |
|---|
|
2011
|
10,316
|
|
2010
|
10,318
|
|
2009
|
10,047
|
|
2008
|
10,117
|
|
2007
|
10,110
|
|
2006
|
10,039
|
|
2005
|
10,046
|
|
2004
|
10,046
|
|
2003
|
9,934
|
|
2002
|
9,855
|
|
2001
|
9,917
|
|
2000
|
9,903
|
|
1999
|
9,913
|
|
1998
|
9,928
|
|
1997
|
9,932
|
|
1996
|
9,843
|
|
1995
|
9,688
|
|
1994
|
9,574
|
|
1993
|
9,337
|
|
1992
|
9,327
|
|
1991
|
9,290
|
|
1990
|
9,242
|