| | Tea, SD | Wall town (Pennington County), SD | United States |
| Population | 5,535 | 640 | 329,725,481 |
| Female Population | 49.1% | 61.6% | 50.5% |
| Male Population | 51.0% | 38.4% | 49.5% |
| Median Age | 30.3 | 41.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,859 | 774 | 309,327,143 |
| Population - 2000 | 1,742 | 818 | 285,036,114 |
| Population - 1990 | 786 | 834 | 251,960,433 |
| Pop. 2000 to Now | 267.7% | 8.2% | 15.6% |
| Pop. 1990 to Now | 714.9% | 6.1% | 30.8% |
| space4 | | | |
| Population Density | 2,864.9 | 295.5 | 93.4 |
| Land Area | 1.9 | 2.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Tea, SD | Wall town (Pennington County), SD | United States |
| Age 0 to 4 | 7.2% | 5.5% | 5.9% |
| Age 5 to 9 | 8.9% | 12.0% | 6.1% |
| Age 10 to 14 | 15.2% | 7.0% | 6.6% |
| Age 15 to 17 | 3.9% | 2.3% | 3.9% |
| Age 18 to 20 | 3.6% | 3.1% | 4.0% |
| Age 21 to 24 | 3.7% | 1.3% | 5.2% |
| Age 25 to 34 | 15.4% | 12.8% | 13.8% |
| Age 35 to 44 | 21.4% | 12.0% | 12.9% |
| Age 45 to 54 | 9.1% | 11.3% | 12.6% |
| Age 55 to 59 | 4.6% | 6.3% | 6.7% |
| Age 60 to 64 | 1.4% | 3.6% | 6.3% |
| Age 65 to 74 | 4.0% | 13.6% | 9.6% |
| Age 75 to 84 | 1.3% | 7.0% | 4.5% |
| Age 85 and over | 0.2% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Tea, SD | Wall town (Pennington County), SD | United States |
| White | 95.3% | 70.9% | 59.4% |
| Black | 0.5% | 2.5% | 12.2% |
| Asian | 1.1% | 1.9% | 5.6% |
| Native American | 0.2% | 8.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.6% | 12.8% | 3.2% |
| Hispanic | 1.2% | 3.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Tea, SD | Wall town (Pennington County), SD | United States |
| Married Population | 64.8% | 59.0% | 49.8% |
| Currently Married | 64.5% | 58.8% | 48.0% |
| Married but Separated | 0.3% | 0.2% | 1.8% |
| Single Population | 35.2% | 41.0% | 50.2% |
| Never Married | 25.7% | 19.5% | 33.8% |
| Divorced | 8.8% | 9.1% | 10.8% |
| Widowed | 0.7% | 12.4% | 5.6% |
| space5 | | | |
| Household Size | 2.98 | 2.42 | 2.60 |
| Households | 1,858 | 260 | 124,010,992 |
| Family Households | 1,576 | 154 | 80,755,759 |
| Married couple, w/children | 52.2% | 52.6% | 30.5% |
| Married couple, no children | 25.4% | 38.3% | 42.9% |
| Non Family Households | 282 | 106 | 43,255,233 |
| Single householder, w/children | 18.0% | 4.5% | 15.8% |
| Single householder, no children | 4.3% | 4.5% | 10.8% |