| | Priest River, ID | Northampton, MA | United States |
| Population | 2,103 | 29,379 | 329,725,481 |
| Female Population | 48.4% | 58.4% | 50.5% |
| Male Population | 51.6% | 41.6% | 49.5% |
| Median Age | 48.1 | 41 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,739 | 28,663 | 309,327,143 |
| Population - 2000 | 1,754 | 28,978 | 285,036,114 |
| Population - 1990 | 1,560 | 29,289 | 251,960,433 |
| Pop. 2000 to Now | 10.0% | -2.1% | 15.6% |
| Pop. 1990 to Now | 23.7% | -3.2% | 30.8% |
| space4 | | | |
| Population Density | 591.7 | 857.9 | 93.4 |
| Land Area | 3.6 | 34.2 | 3,531,905.4 |
| Water Area | 0.1 | 1.5 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Priest River, ID | Northampton, MA | United States |
| Age 0 to 4 | 4.2% | 2.5% | 5.9% |
| Age 5 to 9 | 4.4% | 4.4% | 6.1% |
| Age 10 to 14 | 8.3% | 5.2% | 6.6% |
| Age 15 to 17 | 2.9% | 3.2% | 3.9% |
| Age 18 to 20 | 2.8% | 7.7% | 4.0% |
| Age 21 to 24 | 5.9% | 8.1% | 5.2% |
| Age 25 to 34 | 7.3% | 12.2% | 13.8% |
| Age 35 to 44 | 10.8% | 11.9% | 12.9% |
| Age 45 to 54 | 13.2% | 12.3% | 12.6% |
| Age 55 to 59 | 9.4% | 6.3% | 6.7% |
| Age 60 to 64 | 4.9% | 6.8% | 6.3% |
| Age 65 to 74 | 16.5% | 12.7% | 9.6% |
| Age 75 to 84 | 7.4% | 4.5% | 4.5% |
| Age 85 and over | 2.2% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Priest River, ID | Northampton, MA | United States |
| White | 86.2% | 82.4% | 59.4% |
| Black | 0.0% | 2.6% | 12.2% |
| Asian | 0.6% | 3.5% | 5.6% |
| Native American | 0.4% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 10.1% | 3.7% | 3.2% |
| Hispanic | 2.7% | 7.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Priest River, ID | Northampton, MA | United States |
| Married Population | 49.9% | 41.1% | 49.8% |
| Currently Married | 49.7% | 40.1% | 48.0% |
| Married but Separated | 0.1% | 1.0% | 1.8% |
| Single Population | 50.1% | 58.9% | 50.2% |
| Never Married | 18.2% | 42.2% | 33.8% |
| Divorced | 20.8% | 11.5% | 10.8% |
| Widowed | 11.1% | 5.2% | 5.6% |
| space5 | | | |
| Household Size | 2.31 | 2.13 | 2.60 |
| Households | 910 | 11,949 | 124,010,992 |
| Family Households | 532 | 6,478 | 80,755,759 |
| Married couple, w/children | 25.2% | 30.2% | 30.5% |
| Married couple, no children | 43.6% | 45.8% | 42.9% |
| Non Family Households | 378 | 5,471 | 43,255,233 |
| Single householder, w/children | 13.2% | 13.1% | 15.8% |
| Single householder, no children | 18.0% | 10.9% | 10.8% |