Population history for Round Rock
| Year | Estimated Population |
|---|
|
2011
|
104,664
|
|
2010
|
100,870
|
|
2009
|
105,424
|
|
2008
|
101,920
|
|
2007
|
94,271
|
|
2006
|
89,580
|
|
2005
|
83,679
|
|
2004
|
79,446
|
|
2003
|
75,576
|
|
2002
|
71,839
|
|
2001
|
67,879
|
|
2000
|
60,670
|
|
1999
|
67,173
|
|
1998
|
61,212
|
|
1997
|
56,899
|
|
1996
|
52,785
|
|
1995
|
47,168
|
|
1994
|
42,561
|
|
1993
|
38,312
|
|
1992
|
35,476
|
|
1991
|
33,436
|
|
1990
|
31,804
|