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| Year | Sq. Miles Added | Total Area |
|---|---|---|
| 1826 | .0.87 | 0.9 |
| 1845 | 0.18 | 1.1 |
| 1849 | 0.03 | 1.1 |
| 1906 | 3.24 | 4.3 |
| 1929 | 0.26 | 4.6 |
| 1946 | 1.21 | 5.8 |
| 1952 | 0.14 | 5.9 |
| 1955 | 4.17 | 10.1 |
| 1956 | 0.25 | 10.4 |
| 1961 | 0.12 | 10.5 |
| 1962 | 1.43 | 11.9 |
| 1963 | 0.71 | 12.6 |
| 1964 | 7.59 | 20.2 |
| 1966 | 2.23 | 22.4 |
| 1969 | 19.06 | 41.5 |
| 1978 | 0.28 | 41.8 |
| 1979 | 0.12 | 41.9 |
| 1980 | 0.13 | 42.0 |
| 1982 | 0.12 | 42.1 |
| 1984 | 0.28 | 42.4 |
| 1985 | 1.67 | 44.1 |
| 1987 | 0.29 | 44.4 |
| 1988 | 0.14 | 44.5 |
| 1990 | 0.05 | 44.6 |
| 1991 | 0.16 | 44.7 |
| 1992 | 0.11 | 44.8 |
| 1993 | 0.46 | 45.3 |
| 1994 | 0.30 | 45.6 |
| 1995 | 1.14 | 46.7 |
| 1996 | 0.16 | 46.9 |
| 1997 | 1.35 | 48.2 |
| 1998 | 5.06 | 53.3 |
| 1999 | 0.28 | 53.6 |
| 2000 | 0.54 | 54.1 |
| 2001 | 1.15 | 55.3 |
| 2002 | 0.68 | 56.0 |
| 2003 | 0.56 | 56.5 |
| 2004 | 1.98 | 58.5 |
| 2005 | 2.12 | 60.6 |
| 2006 | 0.76 | 61.36 |
| 2007 | 0.6743 | 62.03 |
| 2008 | 0.6725 | 62.70 |
| 2009 | 0.492 | 63.192 |
| 2010 | 0.28 | 63.47 |