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Overall Illinois Divorce Statistics
Numbers in brackets indicate incomplete data.
| Year | Divorce Rate per 1,000 population | Divorces + Annulments |
| 1958 | 2.1 | 20,870 |
| 1959 | 2.3 | 22,700 |
| 1960 | 2.2 | 21,870 |
| 1961 | 2.6 | 25,973 |
| 1962 | 1.8 | (18,820) |
| 1963 | 2.0 | (20,765) |
| 1964 | 2.0 | (21,283) |
| 1965 | 2.3 | 24,654 |
| 1966 | 2.6 | 27,862 |
| 1967 | 2.6 | 28,473 |
| 1968 | 2.9 | 32,119 |
| 1969 | 3.3 | 35,974 |
| 1970 | 3.3 | 36,450 |
| 1971 | 3.6 | 40,136 |
| 1972 | 3.8 | 43,092 |
| 1973 | 4.0 | 45,152 |
| 1974 | 4.3 | 48,361 |
| 1975 | 4.5 | 50,954 |
| 1976 | 4.6 | 51,810 |
| 1977 | 4.3 | 48,980 |
| 1978 | 4.4 | 50,311 |
| 1979 | 4.6 | (52,133) |
| 1980 | 4.5 | 50,997 |
| 1981 | 4.5 | 51,789 |
| 1982 | 4.3 | 49,639 |
| 1983 | 4.4 | 50,356 |
| 1984 | 4.3 | 48,897 |
| 1985 | 4.3 | 48,885 |
| 1986 | 4.0 | 45,852 |
| 1987 | 4.1 | 46,986 |
| 1988 | 4.0 | 45,911 |
| 1989 | 4.0 | 45,877 |
| 1990 | 4.0 | 45,977 |
| 1991 | 4.0 | 45,813 |
| 1992 | 3.8 | 43,757 |
| 1993 | 3.7 | 43,216 |
| 1994 | 3.7 | 43,352 |
| 1995 | 3.5 | 41,856 |
| 1996 | 3.4 | 40,729 |
| 1997 | 3.4 | 39,981 |
| 1998 | 3.4 | 41,063 |
| 1999 | 3.4 | 41,112 |
| 2000 | 3.2 | 39,524 |
| 2001 | 3.0 | 37,294 |
| 2002 | 3.0 | 37,670 |
| 2003 | 2.8 | 35,037 |
| 2004 | 2.6 | 33,575 |
| 2005 | 2.6 | 33,380 |
| 2006 | 2.5 | 32,141 |
| 2007 | 2.6 | 32,782 |
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County-wise Illinois Divorce Statistics of the year 2007
Counties have been arranged in the descending order of the sum of divorces and annulments.
| County | Divorces + Annulments |
| Cook | 10,273 |
| DuPage | 2,356 |
| Lake | 1,811 |
| Will | 1,716 |
| Kane | 1,388 |
| Winnebago | 1,096 |
| McHenry | 875 |
| St. Clair | 760 |
| Rock Island | 630 |
| Tazewell | 601 |
| Sangamon | 599 |
| McLean | 584 |
| champaign | 558 |
| Peoria | 557 |
| LaSalle | 470 |
| Madison | 329 |
| Macon | 322 |
| Williamson | 307 |
| DeKalb | 271 |
| Adams | 266 |
| Coles | 255 |
| Vermilion | 249 |
| Kendall | 242 |
| Whiteside | 231 |
| Kankakee | 201 |
| Jefferson | 184 |
| Marion | 176 |
| Boone | 171 |
| Knox | 169 |
| Henry | 166 |
| Randolph | 165 |
| Franklin | 163 |
| Saline | 157 |
| Livingston | 152 |
| christian | 150 |
| Grundy | 143 |
| Fulton | 134 |
| Lee | 133 |
| Ogle | 133 |
| Stephenson | 127 |
| Fayette | 124 |
| Effingham | 121 |
| Logan | 119 |
| Woodford | 106 |
| Crawford | 104 |
| Monroe | 101 |
| Montgomery | 99 |
| McDonough | 97 |
| Bureau | 95 |
| Perry | 94 |
| Morgan | 93 |
| Wayne | 93 |
| Edgar | 88 |
| Clinton | 87 |
| Union | 87 |
| Jackson | 86 |
| Massac | 82 |
| Macoupin | 79 |
| Bond | 70 |
| Clay | 68 |
| Richland | 68 |
| Cass | 66 |
| Shelby | 66 |
| Pike | 65 |
| White | 63 |
| DeWitt | 62 |
| Wabash | 61 |
| Warren | 60 |
| Piatt | 57 |
| Iroquois | 56 |
| Lawrence | 56 |
| Clark | 55 |
| Hancock | 53 |
| cumberland | 52 |
| Johnson | 50 |
| Moultrie | 48 |
| Washington | 44 |
| Mercer | 42 |
| Douglas | 40 |
| Greene | 40 |
| Marshall | 38 |
| Menard | 38 |
| Ford | 36 |
| Jasper | 35 |
| Carroll | 34 |
| Mason | 33 |
| Brown | 27 |
| Hardin | 27 |
| Schuyler | 27 |
| Edwards | 26 |
| Pope | 26 |
| Jersey | 25 |
| Henderson | 22 |
| Scott | 21 |
| Hamilton | 20 |
| Pulaski | 17 |
| Calhoun | 15 |
| Gallatin | 14 |
| Stark | 14 |
| Putnam | 11 |
| Jo Daviess | 5 |
| Alexander | 4 |
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