1990 1980 Complete Lacking complete Complete Lacking complete plumbing plumbing plumbing plumbing facilities Per- facilities Per- Number cent Number cent US 101,161,982 1,101,696 1.1% 84,359,133 2,333,690 2.7% AL 1,642,879 27,500 1.6% 1,375,018 74,993 5.2% AK 203,584 29,024 12.5% 135,398 18,773 12.2% AZ 1,627,959 31,471 1.9% 1,039,057 27,380 2.6% AR 982,261 18,406 1.8% 841,975 46,765 5.3% CA 11,113,501 69,381 0.6% 9,095,286 125,135 1.4% CO 1,465,571 11,778 0.8% 1,147,652 21,029 1.8% CT 1,315,105 5,745 0.4% 1,127,996 16,057 1.4% DE 288,197 1,722 0.6% 225,402 4,705 2.0% DC 276,239 2,250 0.8% 270,163 6,629 2.4% FL 6,072,305 27,957 0.5% 4,217,726 52,665 1.2% GA 2,609,956 28,462 1.1% 1,937,022 75,618 3.8% HI 385,498 4,312 1.1% 324,511 7,702 2.3% ID 407,309 6,018 1.5% 352,461 7,295 2.0% IL 4,476,959 29,316 0.7% 4,216,890 85,973 2.0% IN 2,229,811 16,235 0.7% 2,020,417 42,700 2.1% IA 1,133,898 9,771 0.9% 1,094,789 26,410 2.4% KS 1,036,261 7,851 0.8% 930,982 19,169 2.0% KY 1,462,623 44,222 2.9% 1,252,777 102,231 7.5% LA 1,694,335 21,906 1.3% 1,488,152 47,169 3.1% ME 566,269 20,776 3.5% 402,583 24,794 5.8% MD 1,879,232 12,685 0.7% 1,515,988 33,231 2.1% MA 2,460,345 12,366 0.5% 2,103,509 36,632 1.7% MI 3,815,434 32,492 0.8% 3,385,095 63,240 1.8% MN 1,824,081 24,364 1.3% 1,486,413 42,950 2.8% MS 988,572 21,851 2.2% 838,834 65,244 7.2% MO 2,172,297 26,832 1.2% 1,902,964 58,199 3.0% MT 354,144 7,011 1.9% 304,218 10,797 3.4% NE 655,379 5,242 0.8% 606,962 11,737 1.9% NV 516,156 2,702 0.5% 332,814 4,677 1.4% NH 497,996 5,908 1.2% 339,098 10,117 2.9% NJ 3,059,718 15,592 0.5% 2,642,381 45,373 1.7% NM 612,087 19,971 3.2% 469,430 23,862 4.8% NY 7,159,544 67,347 0.9% 6,507,921 191,163 2.9% NC 2,775,231 42,962 1.5% 2,107,079 115,928 5.2% ND 270,763 5,577 2.0% 241,950 10,668 4.2% OH 4,339,037 32,908 0.8% 3,994,575 82,701 2.0% OK 1,392,742 13,757 1.0% 1,203,675 25,004 2.0% OR 1,183,174 10,393 0.9% 1,051,581 19,713 1.8% PA 4,891,083 47,057 1.0% 4,396,803 112,529 2.5% RI 412,319 2,253 0.5% 355,765 6,868 1.9% SC 1,403,978 20,177 1.4% 1,064,227 57,221 5.1% SD 286,513 5,923 2.0% 257,887 11,607 4.3% TN 1,993,707 32,360 1.6% 1,657,075 79,772 4.6% TX 6,923,924 85,075 1.2% 5,338,780 141,636 2.6% UT 592,522 5,866 1.0% 475,359 5,385 1.1% VT 265,092 6,122 2.3% 189,429 6,515 3.3% VA 2,450,215 46,119 1.8% 1,897,362 101,331 5.1% WA 2,013,760 18,618 0.9% 1,623,003 27,408 1.7% WV 756,226 25,069 3.2% 685,896 50,456 6.9% WI 2,025,997 29,777 1.4% 1,708,608 44,361 2.5% WY 200,194 3,217 1.6% 178,195 4,173 2.3% 1970 1960 Complete Lacking complete Complete Lacking complete plumbing plumbing plumbing plumbing facilities Per- facilities Per- Number cent Number cent US 62,984,221 4,672,345 6.9% 48,537,001 9,777,783 16.8% AL 926,277 188,363 16.9% 595,120 372,378 38.5% AK 73,181 15,162 17.2% 47,433 19,724 29.4% AZ 548,294 30,196 5.2% 359,962 55,798 13.4% AR 549,101 123,694 18.4% 333,240 253,276 43.2% CA 6,833,068 143,676 2.1% 5,184,180 280,706 5.1% CO 704,929 36,721 5.0% 510,377 84,031 14.1% CT 942,226 25,842 2.7% 758,360 60,068 7.3% DE 165,887 8,856 5.1% 125,883 17,816 12.4% DC 271,943 6,431 2.3% 242,369 20,270 7.7% FL 2,361,445 127,523 5.1% 1,510,304 266,641 15.0% GA 1,272,520 193,748 13.2% 776,131 393,740 33.7% HI 203,856 12,041 5.6% 137,574 27,816 16.8% ID 225,504 12,619 5.3% 190,766 32,767 14.7% IL 3,515,960 176,955 4.8% 2,834,658 440,324 13.4% IN 1,601,187 110,681 6.5% 1,242,682 260,349 17.3% IA 882,981 71,820 7.5% 725,612 179,659 19.8% KS 743,567 43,855 5.6% 622,742 117,502 15.9% KY 839,718 220,646 20.8% 557,996 367,387 39.7% LA 1,013,690 132,191 11.5% 689,590 288,771 29.5% ME 284,992 52,015 15.4% 253,434 111,169 30.5% MD 1,179,739 54,770 4.4% 835,720 98,531 10.5% MA 1,770,477 65,721 3.6% 1,529,037 161,823 9.6% MI 2,718,000 123,827 4.4% 2,248,976 299,397 11.7% MN 1,119,240 99,460 8.2% 870,316 246,459 22.1% MS 527,732 169,362 24.3% 328,103 300,842 47.8% MO 1,502,256 161,867 9.7% 1,105,195 386,078 25.9% MT 218,558 21,746 9.0% 185,801 47,484 20.4% NE 480,586 31,305 6.1% 390,252 82,663 17.5% NV 166,150 5,485 3.2% 91,615 9,931 9.8% NH 229,605 17,403 7.0% 186,897 37,523 16.7% NJ 2,244,692 57,917 2.5% 1,868,909 129,547 6.5% NM 287,672 34,226 10.6% 224,342 57,550 20.4% NY 5,957,098 195,165 3.2% 5,240,221 453,460 8.0% NC 1,365,784 252,319 15.6% 852,121 470,718 35.6% ND 172,699 27,635 13.8% 130,272 64,325 33.1% OH 3,269,060 178,108 5.2% 2,650,545 390,407 12.8% OK 871,214 66,426 7.1% 645,707 169,902 20.8% OR 708,818 26,425 3.6% 561,370 61,356 9.9% PA 3,677,606 198,605 5.1% 3,176,707 404,339 11.3% RI 296,855 9,646 3.1% 247,741 38,971 13.6% SC 655,455 149,300 18.6% 417,049 261,306 38.5% SD 191,661 30,059 13.6% 150,911 65,538 30.3% TN 1,104,463 192,543 14.8% 706,248 378,074 34.9% TX 3,517,023 291,383 7.7% 2,526,847 626,106 19.9% UT 303,257 8,557 2.7% 246,495 16,087 6.1% VT 136,647 12,454 8.4% 110,817 25,490 18.7% VA 1,284,834 199,317 13.4% 848,051 320,590 27.4% WA 1,162,677 41,510 3.4% 910,991 98,493 9.8% WV 483,693 108,678 18.3% 388,678 185,676 32.3% WI 1,312,733 101,372 7.2% 1,067,474 221,025 17.2% WY 107,611 6,719 5.9% 95,180 17,900 15.8% 1950 1940 Complete Lacking complete Complete Lacking complete plumbing plumbing plumbing plumbing facilities Per- facilities Per- Number cent Number cent US 28,729,475 15,772,717 35.5% 19,174,344 15,852,098 45.3% AL 264,008 555,372 67.8% 131,528 535,675 80.3% AK 15,446 13,964 47.5% AZ 151,695 81,000 34.8% 64,207 73,737 53.5% AR 164,801 393,785 70.5% 81,587 413,303 83.5% CA 3,085,547 411,679 11.8% 1,825,597 362,287 16.6% CO 262,934 159,353 37.7% 153,340 177,887 53.7% CT 492,128 99,118 16.8% 369,232 85,249 18.8% DE 66,169 27,725 29.5% 42,742 28,906 40.3% DC 198,114 25,561 11.4% 142,177 30,603 17.7% FL 561,104 359,313 39.0% 299,622 257,204 46.2% GA 341,395 592,348 63.4% 177,891 572,796 76.3% HI 72,649 46,057 38.8% ID 115,690 67,015 36.7% 55,691 89,247 61.6% IL 1,765,179 817,891 31.7% 1,363,094 773,784 36.2% IN 682,880 511,481 42.8% 430,738 513,919 54.4% IA 410,441 378,454 48.0% 288,220 400,941 58.2% KS 355,632 249,394 41.2% 207,146 311,875 60.1% KY 288,872 507,332 63.7% 180,231 507,855 73.8% LA 314,223 440,075 58.3% 193,999 397,737 67.2% ME 156,985 136,749 46.6% 111,473 136,125 55.0% MD 483,103 183,322 27.5% 276,122 180,632 39.5% MA 1,097,910 259,634 19.1% 941,107 196,623 17.3% MI 1,368,663 531,778 28.0% 897,763 539,795 37.5% MN 477,485 415,888 46.6% 334,036 399,337 54.5% MS 153,723 436,580 74.0% 73,780 452,457 86.0% MO 600,289 617,887 50.7% 465,510 617,752 57.0% MT 108,687 79,120 42.1% 62,906 107,367 63.1% NE 230,297 171,658 42.7% 157,579 214,513 57.7% NV 41,071 12,433 23.2% 19,199 14,930 43.7% NH 119,314 61,948 34.2% 91,215 58,893 39.2% NJ 1,240,418 217,450 14.9% 920,693 210,218 18.6% NM 99,308 89,687 47.5% 37,301 99,538 72.7% NY 3,822,868 620,749 14.0% 3,020,833 655,146 17.8% NC 361,161 666,059 64.8% 183,644 590,976 76.3% ND 58,152 112,487 65.9% 30,314 124,647 80.4% OH 1,660,123 673,766 28.9% 1,153,011 709,351 38.1% OK 365,849 324,931 47.0% 199,870 409,846 67.2% OR 387,040 121,796 23.9% 214,160 135,575 38.8% PA 2,153,876 794,533 26.9% 1,531,167 908,201 37.2% RI 150,541 88,621 37.1% 149,455 46,766 23.8% SC 188,609 351,205 65.1% 92,195 343,012 78.8% SD 73,189 116,074 61.3% 43,362 127,642 74.6% TN 328,599 565,689 63.3% 171,910 533,810 75.6% TX 1,265,429 1,053,982 45.4% 647,231 1,060,814 62.1% UT 159,248 35,845 18.4% 84,665 54,807 39.3% VT 78,520 38,833 33.1% 59,934 42,282 41.4% VA 439,612 432,033 49.6% 219,632 405,785 64.9% WA 633,178 149,042 19.1% 359,737 198,333 35.5% WV 243,295 284,365 53.9% 148,316 282,844 65.6% WI 607,031 417,746 40.8% 439,018 417,575 48.7% WY 55,090 33,931 38.1% 30,164 43,501 59.1%