| | Girard, KS | Claremore, OK | United States |
| Population | 2,648 | 19,173 | 329,725,481 |
| Female Population | 51.4% | 50.9% | 50.5% |
| Male Population | 48.6% | 49.1% | 49.5% |
| Median Age | 39.2 | 36.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,782 | 18,592 | 309,327,143 |
| Population - 2000 | 2,773 | 15,873 | 285,036,114 |
| Population - 1990 | 2,794 | 13,280 | 251,960,433 |
| Pop. 2000 to Now | -4.2% | 19.2% | 15.6% |
| Pop. 1990 to Now | -4.9% | 42.5% | 30.8% |
| space4 | | | |
| Population Density | 1,134.1 | 1,296.8 | 93.4 |
| Land Area | 2.3 | 14.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Girard, KS | Claremore, OK | United States |
| Age 0 to 4 | 4.6% | 6.6% | 5.9% |
| Age 5 to 9 | 5.9% | 6.6% | 6.1% |
| Age 10 to 14 | 5.0% | 6.1% | 6.6% |
| Age 15 to 17 | 4.6% | 4.0% | 3.9% |
| Age 18 to 20 | 3.0% | 3.5% | 4.0% |
| Age 21 to 24 | 11.3% | 6.5% | 5.2% |
| Age 25 to 34 | 11.1% | 14.0% | 13.8% |
| Age 35 to 44 | 10.2% | 11.9% | 12.9% |
| Age 45 to 54 | 11.0% | 11.1% | 12.6% |
| Age 55 to 59 | 4.2% | 4.8% | 6.7% |
| Age 60 to 64 | 5.3% | 5.8% | 6.3% |
| Age 65 to 74 | 16.6% | 10.3% | 9.6% |
| Age 75 to 84 | 5.4% | 4.9% | 4.5% |
| Age 85 and over | 1.9% | 4.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Girard, KS | Claremore, OK | United States |
| White | 93.8% | 64.6% | 59.4% |
| Black | 0.7% | 1.6% | 12.2% |
| Asian | 0.0% | 1.1% | 5.6% |
| Native American | 0.1% | 17.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.7% | 9.5% | 3.2% |
| Hispanic | 2.7% | 6.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Girard, KS | Claremore, OK | United States |
| Married Population | 39.9% | 44.5% | 49.8% |
| Currently Married | 37.4% | 41.6% | 48.0% |
| Married but Separated | 2.4% | 2.9% | 1.8% |
| Single Population | 60.1% | 55.5% | 50.2% |
| Never Married | 34.9% | 27.7% | 33.8% |
| Divorced | 17.5% | 18.0% | 10.8% |
| Widowed | 7.7% | 9.8% | 5.6% |
| space5 | | | |
| Household Size | 2.41 | 2.45 | 2.60 |
| Households | 1,040 | 7,453 | 124,010,992 |
| Family Households | 609 | 4,532 | 80,755,759 |
| Married couple, w/children | 25.6% | 30.8% | 30.5% |
| Married couple, no children | 30.0% | 35.1% | 42.9% |
| Non Family Households | 431 | 2,921 | 43,255,233 |
| Single householder, w/children | 31.0% | 23.6% | 15.8% |
| Single householder, no children | 13.3% | 10.4% | 10.8% |