| | Norfolk, NY | Ogdensburg, NY | United States |
| Population | 4,496 | 10,153 | 329,725,481 |
| Female Population | 52.2% | 44.1% | 50.5% |
| Male Population | 47.8% | 55.9% | 49.5% |
| Median Age | 42.3 | 41.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,654 | 11,106 | 309,327,143 |
| Population - 2000 | 4,565 | 12,364 | 285,036,114 |
| Population - 1990 | 4,258 | 13,521 | 251,960,433 |
| Pop. 2000 to Now | -2.0% | -16.0% | 15.6% |
| Pop. 1990 to Now | 5.1% | -23.2% | 30.8% |
| space4 | | | |
| Population Density | 79.2 | 2,048.6 | 93.4 |
| Land Area | 56.7 | 5.0 | 3,531,905.4 |
| Water Area | 1.0 | 3.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Norfolk, NY | Ogdensburg, NY | United States |
| Age 0 to 4 | 6.4% | 3.9% | 5.9% |
| Age 5 to 9 | 6.8% | 6.9% | 6.1% |
| Age 10 to 14 | 5.7% | 5.5% | 6.6% |
| Age 15 to 17 | 4.8% | 2.5% | 3.9% |
| Age 18 to 20 | 3.0% | 1.7% | 4.0% |
| Age 21 to 24 | 4.3% | 4.8% | 5.2% |
| Age 25 to 34 | 8.8% | 16.3% | 13.8% |
| Age 35 to 44 | 15.0% | 13.4% | 12.9% |
| Age 45 to 54 | 12.4% | 13.6% | 12.6% |
| Age 55 to 59 | 7.9% | 9.9% | 6.7% |
| Age 60 to 64 | 10.5% | 5.4% | 6.3% |
| Age 65 to 74 | 8.7% | 8.2% | 9.6% |
| Age 75 to 84 | 4.2% | 5.6% | 4.5% |
| Age 85 and over | 1.4% | 2.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Norfolk, NY | Ogdensburg, NY | United States |
| White | 96.1% | 83.2% | 59.4% |
| Black | 0.6% | 9.3% | 12.2% |
| Asian | 0.0% | 1.1% | 5.6% |
| Native American | 1.3% | 1.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.3% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 1.0% | 1.4% | 3.2% |
| Hispanic | 1.0% | 3.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Norfolk, NY | Ogdensburg, NY | United States |
| Married Population | 47.2% | 37.0% | 49.8% |
| Currently Married | 45.9% | 33.8% | 48.0% |
| Married but Separated | 1.3% | 3.2% | 1.8% |
| Single Population | 52.8% | 63.0% | 50.2% |
| Never Married | 33.5% | 40.3% | 33.8% |
| Divorced | 12.4% | 14.5% | 10.8% |
| Widowed | 6.9% | 8.2% | 5.6% |
| space5 | | | |
| Household Size | 2.50 | 2.15 | 2.60 |
| Households | 1,795 | 3,851 | 124,010,992 |
| Family Households | 1,210 | 2,396 | 80,755,759 |
| Married couple, w/children | 29.0% | 18.9% | 30.5% |
| Married couple, no children | 36.9% | 37.6% | 42.9% |
| Non Family Households | 585 | 1,455 | 43,255,233 |
| Single householder, w/children | 18.8% | 29.0% | 15.8% |
| Single householder, no children | 15.4% | 14.5% | 10.8% |