| America's strength lies in its size and its diversity of resources. Our greatest resource is and has always been our people. With strong Native American roots that go down to the days before Anglo settlement, to modern trends that bring the best of a growing, hardworking, and productive Hispanic population, Dumas is the place to be. | | |
| Dumas | 1980 | 1990 | 2000 | | Population | 11,685 | 12,871 | 13,747 | | Households | 3,980 | 4,473 | 4,755 | | Household Size | | 2.84 | 2.85 | | | | | | | Moore County | 1980 | 1990 | 2000 | | Population | 16,575 | 17,865 | 20,121 | | Households | 5,589 | 6,101 | 6,774 | | Household Size | | 2.90 | 2.94 | | |
|  | | | | Dumas | Moore County | | Population by Race (2000) | | % | | % | | White | 7,160 | 52.1 | 12,864 | 63.9 | | Hispanic | 5,876 | 42.7 | 9,558 | 47.5 | | Asian | 160 | 1.2 | 173 | 0.9 | | Black | 99 | 0.7 | 139 | 0.7 | | Two or more races | 368 | 2.7 | 527 | 2.6 | | All Other | 84 | 0.6 | 140 | 0.7 | | | |
| | | Age | Number | Percent | | Under 5 years | 1862 | 9.3 | | 5 to 9 | 1898 | 9.4 | | 10 to 14 | 1831 | 9.1 | | 15 to 19 | 1740 | 8.6 | 20 to 24 | 1274 | 6.3 | | 25 to 34 | 2830 | 14.1 | | 35 to 44 | 2886 | 14.3 | | 45 to 54 | 2221 | 11.0 | | 55 to 59 | 797 | 4.0 | | 60 to 64 | 658 | 3.3 | | 65 to 74 | 1213 | 6.0 | | 75 to 84 | 682 | 3.4 | 85 and over | 229 | 1.1 | | Median Ag | 30.4 | | | | |
| | | Age | Number | Percent | | Under 5 years | 1,262 | 9.2 | | 5 to 9 | 1,254 | 9.1 | | 10 to 14 | 1,195 | 8.7 | | 15 to 19 | 1,113 | 8.1 | 20 to 24 | 841 | 6.1 | | 25 to 34 | 1,914 | 13.9 | | 35 to 44 | 1,933 | 14.1 | | 45 to 54 | 1,556 | 11.3 | | 55 to 59 | 576 | 4.2 | | 60 to 64 | 438 | 3.2 | | 65 to 74 | 903 | 6.6 | | 75 to 84 | 565 | 4.1 | 85 and over | 197 | 1.4 | | Median Age | 31.4 | |
| | | | | | | Moore County | Dumas | | Managerial/Professional | 1,211 | 1,011 | | Executive/Admin/Manager | 533 | 442 | | Professional Specialty | 678 | 569 | | Technician/Sales/Admin. Support | 1,705 | 1,359 | | Technician and Related | 169 | 130 | | Sales | 715 | 575 | | Administrative Support | 821 | 654 | | Service Occupations | 1,100 | 855 | | Private | 13 | 8 | | Protective Service | 111 | 103 | | Other Service | 976 | 744 | | Farming/Forestry/Fishing | 572 | 255 | | Precision/Craft/Repair | 1,825 | 1,311 | | Operator/Fabricator/Laborer | 1,539 | 1,007 | | Machine op/Assembly/Inspector | 651 | 382 | | Transport. and Materials moving | 374 | 241 | | Handler/Helper/Laborer | 514 | 384 | | Total | 7,952 | 5,798 |
| | | | | | | Dumas | Moore County | | Income | 1989 | 2000 | 1989 | 2000 | | Per Capita | $11,995 | $20,424 | $11,186 | $18,625 | | Average Household | $34,167 | $57,471 | $32,501 | $53,861 | | Median Household | $29,577 | $47,182 | $27,665 | $42,692 | | Median Family | $32,524 | $52,590 | $31,010 | $48,809 |
| | | | | | | Moore County | Dumas | | Less than 9th Grade | 1,829 | 17.8 | 1,139 | 15.1 | | 9th to 12th Grade | 2.078 | 20.2 | 1,446 | 19.1 | | High School Graduate | 3,079 | 30.0 | 2,349 | 31.1 | | Some college, no degree | 1,798 | 17.5 | 1,398 | 18.5 | | Associate Degree | 375 | 3.7 | 311 | 4.1 | | Bachelor Degree | 816 | 8.0 | 667 | 8.8 | | Graduate/Professional Degree Total | 288 | 2.8 | 247 | 3.2 | | Total | 10,263 | | 7,555 | |
| | | | | | | Moore County | Dumas | | Owner-occupied | 6,774 | 3,313 | | Renter-occupied | 1,964 | 1,442 | | Vacant | 704 | 364 | | Total | 9,442 | 5,119 |
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