| | Bartlesville, OK | Lady Lake, FL | United States |
| Population | 37,074 | 15,683 | 329,725,481 |
| Female Population | 51.5% | 52.4% | 50.5% |
| Male Population | 48.5% | 47.6% | 49.5% |
| Median Age | 37.5 | 65.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 35,787 | 14,043 | 309,327,143 |
| Population - 2000 | 34,748 | 11,828 | 285,036,114 |
| Population - 1990 | 34,256 | 8,071 | 251,960,433 |
| Pop. 2000 to Now | 5.3% | 36.8% | 15.6% |
| Pop. 1990 to Now | 6.9% | 100.5% | 30.8% |
| space4 | | | |
| Population Density | 1,623.6 | 1,912.1 | 93.4 |
| Land Area | 22.8 | 8.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Bartlesville, OK | Lady Lake, FL | United States |
| Age 0 to 4 | 6.9% | 2.4% | 5.9% |
| Age 5 to 9 | 6.7% | 3.6% | 6.1% |
| Age 10 to 14 | 6.8% | 2.5% | 6.6% |
| Age 15 to 17 | 4.1% | 1.7% | 3.9% |
| Age 18 to 20 | 3.7% | 1.5% | 4.0% |
| Age 21 to 24 | 4.7% | 3.5% | 5.2% |
| Age 25 to 34 | 13.8% | 6.6% | 13.8% |
| Age 35 to 44 | 11.6% | 4.6% | 12.9% |
| Age 45 to 54 | 11.4% | 6.0% | 12.6% |
| Age 55 to 59 | 5.4% | 6.5% | 6.7% |
| Age 60 to 64 | 6.3% | 9.4% | 6.3% |
| Age 65 to 74 | 9.7% | 22.2% | 9.6% |
| Age 75 to 84 | 5.5% | 21.3% | 4.5% |
| Age 85 and over | 3.4% | 8.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Bartlesville, OK | Lady Lake, FL | United States |
| White | 70.8% | 85.4% | 59.4% |
| Black | 3.5% | 3.9% | 12.2% |
| Asian | 2.9% | 2.2% | 5.6% |
| Native American | 8.1% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 1.5% | 0.4% |
| Two or More Races | 7.8% | 1.1% | 3.2% |
| Hispanic | 6.9% | 5.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Bartlesville, OK | Lady Lake, FL | United States |
| Married Population | 52.5% | 53.9% | 49.8% |
| Currently Married | 50.6% | 52.2% | 48.0% |
| Married but Separated | 1.8% | 1.7% | 1.8% |
| Single Population | 47.5% | 46.1% | 50.2% |
| Never Married | 26.6% | 17.0% | 33.8% |
| Divorced | 14.1% | 17.4% | 10.8% |
| Widowed | 6.9% | 11.7% | 5.6% |
| space5 | | | |
| Household Size | 2.52 | 1.94 | 2.60 |
| Households | 14,443 | 8,010 | 124,010,992 |
| Family Households | 9,280 | 4,585 | 80,755,759 |
| Married couple, w/children | 28.4% | 6.0% | 30.5% |
| Married couple, no children | 45.9% | 74.0% | 42.9% |
| Non Family Households | 5,163 | 3,425 | 43,255,233 |
| Single householder, w/children | 18.1% | 10.7% | 15.8% |
| Single householder, no children | 7.5% | 9.4% | 10.8% |