Plumbing Facilities: 1940-1990


         1     9     9     0              1     9     8     0
 
        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%
 
AZ     1,627,959     31,471    1.9%     1,039,057     27,380    2.6%
CO     1,465,571     11,778    0.8%     1,147,652     21,029    1.8%
ID       407,309      6,018    1.5%       352,461      7,295    2.0%
MT       354,144      7,011    1.9%       304,218     10,797    3.4%
NV       516,156      2,702    0.5%       332,814      4,677    1.4%
NM       612,087     19,971    3.2%       469,430     23,862    4.8%
UT       592,522      5,866    1.0%       475,359      5,385    1.1%
WY       200,194      3,217    1.6%       178,195      4,173    2.3%
 
 

1 9 7 0 1 9 6 0 US 62,984,221 4,672,345 6.9% 48,537,001 9,777,783 16.8%   AZ 548,294 30,196 5.2% 359,962 55,798 13.4% CO 704,929 36,721 5.0% 510,377 84,031 14.1% ID 225,504 12,619 5.3% 190,766 32,767 14.7% MT 218,558 21,746 9.0% 185,801 47,484 20.4% NV 166,150 5,485 3.2% 91,615 9,931 9.8% NM 287,672 34,226 10.6% 224,342 57,550 20.4% UT 303,257 8,557 2.7% 246,495 16,087 6.1% WY 107,611 6,719 5.9% 95,180 17,900 15.8%  
1 9 5 0 1 9 4 0   US 28,729,475 15,772,717 35.5% 19,174,344 15,852,098 45.3%   AZ 151,695 81,000 34.8% 64,207 73,737 53.5% CO 262,934 159,353 37.7% 153,340 177,887 53.7% ID 115,690 67,015 36.7% 55,691 89,247 61.6% MT 108,687 79,120 42.1% 62,906 107,367 63.1% NV 41,071 12,433 23.2% 19,199 14,930 43.7% NM 99,308 89,687 47.5% 37,301 99,538 72.7% UT 159,248 35,845 18.4% 84,665 54,807 39.3% WY 55,090 33,931 38.1% 30,164 43,501 59.1%  


Notes: Complete plumbing facilities are defined as hot and cold piped water, a bath-tub or shower, and a flush toilet. In earlier censuses, these facilities must have been for exclusive use of a housing unit's inhabitants; this requirement was dropped in 1990.

Source: Housing Then and Now U.S. Census Bureau.

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