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Illinois
2000 Census information on Gay and Lesbian Couples, Illinois:
By county
| County | Population | Married couples | Unmarried couples | Same-sex couples | % Same-sex couples | Male couples | % Male couples | Female couples | % Female couples |
| Adams | 68,277 | 14,554 | 1,316 | 78 | 0.49% | 41 | 0.26% | 37 | 0.23% |
| Alexander | 9,590 | 1,681 | 131 | 21 | 1.16% | 9 | 0.50% | 12 | 0.66% |
| Bond | 17,633 | 3,636 | 252 | 12 | 0.31% | 8 | 0.21% | 4 | 0.10% |
| Boone | 41,786 | 9,373 | 698 | 38 | 0.38% | 18 | 0.18% | 20 | 0.20% |
| Brown | 6,950 | 1,165 | 89 | 6 | 0.48% | 3 | 0.24% | 3 | 0.24% |
| Bureau | 35,503 | 8,242 | 626 | 33 | 0.37% | 21 | 0.24% | 12 | 0.14% |
| Calhoun | 5,084 | 1,244 | 83 | 3 | 0.23% | 3 | 0.23% | 0 | 0.00% |
| Carroll | 16,674 | 3,965 | 321 | 27 | 0.63% | 21 | 0.49% | 6 | 0.14% |
| Cass | 13,695 | 2,985 | 297 | 15 | 0.46% | 10 | 0.30% | 5 | 0.15% |
| Champaign | 179,669 | 30,766 | 3,619 | 359 | 1.04% | 140 | 0.41% | 219 | 0.64% |
| Christian | 35,372 | 7,697 | 615 | 23 | 0.28% | 5 | 0.06% | 18 | 0.22% |
| Clark | 17,008 | 3,969 | 287 | 19 | 0.45% | 9 | 0.21% | 10 | 0.23% |
| Clay | 14,560 | 3,291 | 266 | 21 | 0.59% | 9 | 0.25% | 12 | 0.34% |
| Clinton | 35,535 | 7,671 | 535 | 26 | 0.32% | 16 | 0.19% | 10 | 0.12% |
| Coles | 53,196 | 9,722 | 974 | 69 | 0.65% | 33 | 0.31% | 36 | 0.34% |
| Cook | 5,376,741 | 868,244 | 98,455 | 13,271 | 1.37% | 7,575 | 0.78% | 5,696 | 0.59% |
| Crawford | 20,452 | 4,533 | 335 | 23 | 0.47% | 10 | 0.21% | 13 | 0.27% |
| Cumberland | 11,253 | 2,601 | 202 | 12 | 0.43% | 4 | 0.14% | 8 | 0.29% |
| De Witt | 16,798 | 3,843 | 351 | 23 | 0.55% | 15 | 0.36% | 8 | 0.19% |
| DeKalb* | 88,969 | 16,113 | 1,655 | 119 | 0.67% | 55 | 0.31% | 64 | 0.36% |
| Douglas | 19,922 | 4,631 | 265 | 20 | 0.41% | 7 | 0.14% | 13 | 0.27% |
| DuPage | 904,161 | 198,240 | 12,048 | 1,293 | 0.61% | 647 | 0.31% | 646 | 0.31% |
| Edgar | 19,704 | 4,249 | 426 | 27 | 0.58% | 13 | 0.28% | 14 | 0.30% |
| Edwards | 6,971 | 1,715 | 111 | 5 | 0.27% | 4 | 0.22% | 1 | 0.05% |
| Effingham | 34,264 | 7,511 | 552 | 39 | 0.48% | 17 | 0.21% | 22 | 0.27% |
| Fayette | 21,802 | 4,613 | 416 | 23 | 0.46% | 14 | 0.28% | 9 | 0.18% |
| Ford | 14,241 | 3,260 | 228 | 16 | 0.46% | 8 | 0.23% | 8 | 0.23% |
| Franklin | 39,018 | 8,689 | 667 | 47 | 0.50% | 24 | 0.26% | 23 | 0.25% |
| Fulton | 38,250 | 8,409 | 690 | 32 | 0.35% | 14 | 0.15% | 18 | 0.20% |
| Gallatin | 6,445 | 1,493 | 106 | 8 | 0.50% | 7 | 0.44% | 1 | 0.06% |
| Greene | 14,761 | 3,284 | 284 | 23 | 0.64% | 7 | 0.20% | 16 | 0.45% |
| Grundy | 37,535 | 8,514 | 734 | 40 | 0.43% | 12 | 0.13% | 28 | 0.30% |
| Hamilton | 8,621 | 2,043 | 109 | 12 | 0.56% | 4 | 0.19% | 8 | 0.37% |
| Hancock | 20,121 | 4,754 | 354 | 15 | 0.29% | 9 | 0.18% | 6 | 0.12% |
| Hardin | 4,800 | 1,136 | 58 | 1 | 0.08% | 1 | 0.08% | 0 | 0.00% |
| Henderson | 8,213 | 2,004 | 175 | 17 | 0.78% | 11 | 0.50% | 6 | 0.28% |
| Henry | 51,020 | 12,028 | 896 | 39 | 0.30% | 17 | 0.13% | 22 | 0.17% |
| Iroquois | 31,334 | 7,234 | 549 | 35 | 0.45% | 23 | 0.30% | 12 | 0.15% |
| Jackson | 59,612 | 9,509 | 1,231 | 108 | 1.01% | 45 | 0.42% | 63 | 0.59% |
| Jasper | 10,117 | 2,450 | 157 | 6 | 0.23% | 4 | 0.15% | 2 | 0.08% |
| Jefferson | 40,045 | 8,497 | 708 | 42 | 0.46% | 25 | 0.27% | 17 | 0.18% |
| Jersey | 21,668 | 4,865 | 362 | 16 | 0.31% | 9 | 0.17% | 7 | 0.13% |
| Jo Daviess | 22,289 | 5,368 | 394 | 31 | 0.54% | 20 | 0.35% | 11 | 0.19% |
| Johnson | 12,878 | 2,607 | 158 | 20 | 0.72% | 13 | 0.47% | 7 | 0.25% |
| Kane | 404,119 | 81,968 | 6,326 | 628 | 0.71% | 296 | 0.34% | 332 | 0.38% |
| Kankakee | 103,833 | 20,145 | 2,180 | 142 | 0.64% | 53 | 0.24% | 89 | 0.40% |
| Kendall | 54,544 | 12,938 | 769 | 56 | 0.41% | 17 | 0.12% | 39 | 0.28% |
| Knox | 55,836 | 11,328 | 1,245 | 66 | 0.52% | 29 | 0.23% | 37 | 0.29% |
| La Salle | 111,509 | 24,166 | 2,005 | 120 | 0.46% | 54 | 0.21% | 66 | 0.25% |
| Lake | 644,356 | 136,686 | 9,064 | 946 | 0.65% | 445 | 0.31% | 501 | 0.34% |
| Lawrence | 15,452 | 3,462 | 290 | 16 | 0.43% | 7 | 0.19% | 9 | 0.24% |
| Lee | 36,062 | 7,410 | 757 | 43 | 0.53% | 19 | 0.23% | 24 | 0.29% |
| Livingston | 39,678 | 8,163 | 667 | 55 | 0.62% | 28 | 0.32% | 27 | 0.31% |
| Logan | 31,183 | 6,142 | 501 | 19 | 0.29% | 6 | 0.09% | 13 | 0.20% |
| Macon | 114,706 | 23,626 | 2,222 | 169 | 0.65% | 71 | 0.27% | 98 | 0.38% |
| Macoupin | 49,019 | 11,183 | 938 | 64 | 0.53% | 32 | 0.26% | 32 | 0.26% |
| Madison | 258,941 | 54,078 | 5,346 | 378 | 0.64% | 170 | 0.29% | 208 | 0.35% |
| Marion | 41,691 | 8,852 | 807 | 49 | 0.51% | 29 | 0.30% | 20 | 0.21% |
| Marshall | 13,180 | 3,177 | 211 | 13 | 0.38% | 4 | 0.12% | 9 | 0.27% |
| Mason | 16,038 | 3,728 | 303 | 20 | 0.50% | 7 | 0.17% | 13 | 0.32% |
| Massac | 15,161 | 3,476 | 242 | 22 | 0.59% | 10 | 0.27% | 12 | 0.32% |
| McDonough | 32,913 | 5,816 | 573 | 36 | 0.56% | 12 | 0.19% | 24 | 0.38% |
| McHenry | 260,077 | 59,453 | 3,780 | 308 | 0.49% | 144 | 0.23% | 164 | 0.26% |
| McLean | 150,433 | 28,911 | 2,671 | 236 | 0.75% | 93 | 0.29% | 143 | 0.45% |
| Menard | 12,486 | 2,958 | 203 | 14 | 0.44% | 7 | 0.22% | 7 | 0.22% |
| Mercer | 16,957 | 4,209 | 264 | 18 | 0.40% | 7 | 0.16% | 11 | 0.25% |
| Monroe | 27,619 | 6,710 | 383 | 27 | 0.38% | 13 | 0.18% | 14 | 0.20% |
| Montgomery | 30,652 | 6,456 | 547 | 32 | 0.46% | 13 | 0.19% | 19 | 0.27% |
| Morgan | 36,616 | 7,396 | 714 | 38 | 0.47% | 19 | 0.23% | 19 | 0.23% |
| Moultrie | 14,287 | 3,423 | 198 | 12 | 0.33% | 4 | 0.11% | 8 | 0.22% |
| Ogle | 51,032 | 11,811 | 949 | 49 | 0.38% | 27 | 0.21% | 22 | 0.17% |
| Peoria | 183,433 | 35,343 | 3,662 | 286 | 0.73% | 141 | 0.36% | 145 | 0.37% |
| Perry | 23,094 | 4,700 | 400 | 31 | 0.61% | 11 | 0.22% | 20 | 0.39% |
| Piatt | 16,365 | 4,099 | 243 | 27 | 0.62% | 14 | 0.32% | 13 | 0.30% |
| Pike | 17,384 | 4,023 | 280 | 17 | 0.40% | 6 | 0.14% | 11 | 0.26% |
| Pope | 4,413 | 1,023 | 59 | 3 | 0.28% | 3 | 0.28% | 0 | 0.00% |
| Pulaski | 7,348 | 1,372 | 96 | 12 | 0.82% | 6 | 0.41% | 6 | 0.41% |
| Putnam | 6,086 | 1,499 | 94 | 7 | 0.44% | 3 | 0.19% | 4 | 0.25% |
| Randolph | 33,893 | 6,768 | 549 | 33 | 0.45% | 18 | 0.25% | 15 | 0.21% |
| Richland | 16,149 | 3,714 | 308 | 26 | 0.65% | 14 | 0.35% | 12 | 0.30% |
| Rock Island | 149,374 | 29,826 | 3,322 | 231 | 0.70% | 137 | 0.41% | 94 | 0.28% |
| Saline | 26,733 | 5,708 | 411 | 44 | 0.72% | 17 | 0.28% | 27 | 0.44% |
| Sangamon | 188,951 | 37,974 | 4,332 | 353 | 0.83% | 186 | 0.44% | 167 | 0.39% |
| Schuyler | 7,189 | 1,775 | 129 | 11 | 0.58% | 7 | 0.37% | 4 | 0.21% |
| Scott | 5,537 | 1,295 | 112 | 6 | 0.43% | 6 | 0.43% | 0 | 0.00% |
| Shelby | 22,893 | 5,546 | 326 | 26 | 0.44% | 17 | 0.29% | 9 | 0.15% |
| St. Clair | 256,082 | 46,557 | 5,173 | 356 | 0.69% | 177 | 0.34% | 179 | 0.35% |
| Stark | 6,332 | 1,515 | 95 | 7 | 0.43% | 3 | 0.19% | 4 | 0.25% |
| Stephenson | 48,979 | 10,962 | 964 | 51 | 0.43% | 26 | 0.22% | 25 | 0.21% |
| Tazewell | 128,485 | 29,817 | 2,255 | 157 | 0.49% | 77 | 0.24% | 80 | 0.25% |
| Union | 18,293 | 4,053 | 256 | 32 | 0.74% | 12 | 0.28% | 20 | 0.46% |
| Vermilion | 83,919 | 16,914 | 1,869 | 129 | 0.69% | 62 | 0.33% | 67 | 0.36% |
| Wabash | 12,937 | 2,972 | 233 | 6 | 0.19% | 3 | 0.09% | 3 | 0.09% |
| Warren | 18,735 | 4,049 | 368 | 22 | 0.50% | 11 | 0.25% | 11 | 0.25% |
| Washington | 15,148 | 3,607 | 245 | 18 | 0.47% | 9 | 0.23% | 9 | 0.23% |
| Wayne | 17,151 | 4,167 | 257 | 12 | 0.27% | 6 | 0.14% | 6 | 0.14% |
| White | 15,371 | 3,697 | 253 | 16 | 0.41% | 9 | 0.23% | 7 | 0.18% |
| Whiteside | 60,653 | 13,630 | 1,263 | 78 | 0.52% | 36 | 0.24% | 42 | 0.28% |
| Will | 502,266 | 108,630 | 7,320 | 618 | 0.53% | 288 | 0.25% | 330 | 0.28% |
| Williamson | 61,296 | 13,531 | 1,048 | 80 | 0.55% | 36 | 0.25% | 44 | 0.30% |
| Winnebago | 278,418 | 56,423 | 6,291 | 466 | 0.74% | 222 | 0.35% | 244 | 0.39% |
| Woodford | 35,469 | 8,634 | 393 | 37 | 0.41% | 16 | 0.18% | 21 | 0.23% |
| MSA |
Population | Married Couples | Unmarried partners | Total Couples | Same Sex Couples | % Same Sex Couples | Male partners | % Male Couples | Female partners | % Female Couples |
| Bloomington--Normal, IL MSA | 150,433 | 28,911 | 2,671 | 31,582 | 236 | 0.75% | 93 | 0.29% | 143 | 0.45% |
| Champaign--Urbana, IL MSA | 179,669 | 30,766 | 3,619 | 34,385 | 359 | 1.04% | 140 | 0.41% | 219 | 0.64% |
| Chicago--Gary--Kenosha, IL--IN--WI CMSA (part) | 8,376,601 | 1,510,931 | 142,331 | 1,653,262 | 17,421 | 1.05% | 9,532 | 0.58% | 7,889 | 0.48% |
| Davenport--Moline--Rock Island, IA--IL MSA (part) | 200,394 | 41,854 | 4,218 | 46,072 | 270 | 0.59% | 154 | 0.33% | 116 | 0.25% |
| Decatur, IL MSA | 114,706 | 23,626 | 2,222 | 25,848 | 169 | 0.65% | 71 | 0.27% | 98 | 0.38% |
| Peoria--Pekin, IL MSA | 347,387 | 73,794 | 6,310 | 80,104 | 480 | 0.60% | 234 | 0.29% | 246 | 0.31% |
| Rockford, IL MSA | 371,236 | 77,607 | 7,938 | 85,545 | 553 | 0.65% | 267 | 0.31% | 286 | 0.33% |
| Springfield, IL MSA | 201,437 | 40,932 | 4,535 | 45,467 | 367 | 0.81% | 193 | 0.42% | 174 | 0.38% |
| St. Louis, MO--IL MSA (part) | 599,845 | 119,881 | 11,799 | 131,680 | 803 | 0.61% | 385 | 0.29% | 418 | 0.32% |
| District | Population | Married couples | Unmarried couples | Same-sex couples | % Same-sex couples | Male couples | % Male couples | Female couples | % Female couples |
| 1 | 560,239 | 63,390 | 11,345 | 1,018 | 1.36% | 461 | 0.62% | 557 | 0.75% |
| 2 | 556,482 | 70,591 | 10,503 | 879 | 1.08% | 390 | 0.48% | 489 | 0.60% |
| 3 | 629,597 | 118,996 | 9,428 | 985 | 0.77% | 503 | 0.39% | 482 | 0.38% |
| 4 | 625,941 | 82,835 | 13,194 | 1,698 | 1.77% | 930 | 0.97% | 768 | 0.80% |
| 5 | 635,824 | 106,978 | 13,317 | 2,149 | 1.79% | 1,284 | 1.07% | 865 | 0.72% |
| 6 | 615,419 | 130,837 | 8,095 | 886 | 0.64% | 449 | 0.32% | 437 | 0.31% |
| 7 | 569,470 | 64,549 | 12,669 | 1,531 | 1.98% | 868 | 1.12% | 663 | 0.86% |
| 8 | 699,513 | 153,983 | 10,705 | 1,024 | 0.62% | 482 | 0.29% | 542 | 0.33% |
| 9 | 593,205 | 97,963 | 12,407 | 3,455 | 3.13% | 2,365 | 2.14% | 1,090 | 0.99% |
| 10 | 627,793 | 135,696 | 7,042 | 809 | 0.57% | 408 | 0.29% | 401 | 0.28% |
| 11 | 635,653 | 129,406 | 11,094 | 800 | 0.57% | 338 | 0.24% | 462 | 0.33% |
| 12 | 560,912 | 105,221 | 11,372 | 811 | 0.70% | 384 | 0.33% | 427 | 0.37% |
| 13 | 759,124 | 173,033 | 9,595 | 936 | 0.51% | 477 | 0.26% | 459 | 0.25% |
| 14 | 720,663 | 149,399 | 11,113 | 1,045 | 0.65% | 483 | 0.30% | 562 | 0.35% |
| 15 | 595,833 | 114,552 | 11,538 | 964 | 0.76% | 417 | 0.33% | 547 | 0.43% |
| 16 | 691,356 | 150,706 | 12,873 | 936 | 0.57% | 453 | 0.28% | 483 | 0.30% |
| 17 | 567,712 | 121,568 | 11,370 | 679 | 0.51% | 357 | 0.27% | 322 | 0.24% |
| 18 | 597,447 | 130,128 | 10,613 | 800 | 0.57% | 379 | 0.27% | 421 | 0.30% |
| 19 | 575,769 | 125,381 | 9,762 | 697 | 0.52% | 328 | 0.24% | 369 | 0.27% |
| 20 | 601,341 | 128,680 | 11,511 | 785 | 0.56% | 399 | 0.28% | 386 | 0.28% |