| | Nortonville, KY | Lakin, KS | United States |
| Population | 910 | 1,846 | 329,725,481 |
| Female Population | 55.7% | 57.0% | 50.5% |
| Male Population | 44.3% | 43.0% | 49.5% |
| Median Age | 50.3 | 35.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,201 | 2,242 | 309,327,143 |
| Population - 2000 | 1,264 | 2,316 | 285,036,114 |
| Population - 1990 | 1,209 | 2,060 | 251,960,433 |
| Pop. 2000 to Now | -9.3% | -9.2% | 15.6% |
| Pop. 1990 to Now | -5.1% | 2.1% | 30.8% |
| space4 | | | |
| Population Density | 784.5 | 1,887.5 | 93.4 |
| Land Area | 1.2 | 1.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Nortonville, KY | Lakin, KS | United States |
| Age 0 to 4 | 2.3% | 7.6% | 5.9% |
| Age 5 to 9 | 2.6% | 8.4% | 6.1% |
| Age 10 to 14 | 5.2% | 7.4% | 6.6% |
| Age 15 to 17 | 4.4% | 4.3% | 3.9% |
| Age 18 to 20 | 2.9% | 6.0% | 4.0% |
| Age 21 to 24 | 6.0% | 5.1% | 5.2% |
| Age 25 to 34 | 5.3% | 10.4% | 13.8% |
| Age 35 to 44 | 16.4% | 9.8% | 12.9% |
| Age 45 to 54 | 10.5% | 8.3% | 12.6% |
| Age 55 to 59 | 12.3% | 8.4% | 6.7% |
| Age 60 to 64 | 10.2% | 7.4% | 6.3% |
| Age 65 to 74 | 14.6% | 9.2% | 9.6% |
| Age 75 to 84 | 6.5% | 5.1% | 4.5% |
| Age 85 and over | 0.8% | 2.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Nortonville, KY | Lakin, KS | United States |
| White | 88.2% | 62.5% | 59.4% |
| Black | 7.0% | 2.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 3.6% | 0.0% | 3.2% |
| Hispanic | 1.1% | 35.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Nortonville, KY | Lakin, KS | United States |
| Married Population | 46.5% | 47.7% | 49.8% |
| Currently Married | 43.5% | 42.5% | 48.0% |
| Married but Separated | 2.9% | 5.2% | 1.8% |
| Single Population | 53.5% | 52.3% | 50.2% |
| Never Married | 25.8% | 29.2% | 33.8% |
| Divorced | 17.8% | 14.6% | 10.8% |
| Widowed | 9.9% | 8.5% | 5.6% |
| space5 | | | |
| Household Size | 2.19 | 2.83 | 2.60 |
| Households | 415 | 630 | 124,010,992 |
| Family Households | 239 | 433 | 80,755,759 |
| Married couple, w/children | 22.2% | 16.4% | 30.5% |
| Married couple, no children | 53.1% | 48.3% | 42.9% |
| Non Family Households | 176 | 197 | 43,255,233 |
| Single householder, w/children | 12.6% | 19.6% | 15.8% |
| Single householder, no children | 12.1% | 15.7% | 10.8% |