Population history for Simpsonville
| Year | Estimated Population |
|---|
|
2011
|
18,652
|
|
2010
|
18,323
|
|
2009
|
17,778
|
|
2008
|
17,365
|
|
2007
|
16,935
|
|
2006
|
16,151
|
|
2005
|
15,634
|
|
2004
|
15,404
|
|
2003
|
15,131
|
|
2002
|
15,055
|
|
2001
|
14,972
|
|
2000
|
14,840
|
|
1999
|
11,909
|
|
1998
|
11,791
|
|
1997
|
11,755
|
|
1996
|
11,777
|
|
1995
|
11,704
|
|
1994
|
11,643
|
|
1993
|
11,559
|
|
1992
|
11,590
|
|
1991
|
11,670
|
|
1990
|
11,861
|