Jefferson is located in Greene County, Pennsylvania. Jefferson has a 2025 population of 5,041 . Jefferson is currently declining at a rate of -0.45% annually and its population has decreased by -3.23% since the most recent census, which recorded a population of 5,209 in 2020.
The average household income in Jefferson is $97,695 with a poverty rate of 4.97%. The median age in Jefferson is 47.1 years: 42.2 years for males, and 50.9 years for females. For every 100 females there are 105.8 males.
Data after 2023 is projected based on recent change
The racial composition of Jefferson includes 93.09% White, and smaller percentages for Asian, Native American, Two or more races, Black or African American and multiracial populations.
White (93.09%)
Asian (2.8%)
Native American (2.62%)
Two or more races (1.2%)
Black or African American (0.29%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,794 | 93.09% |
| Asian | 144 | 2.8% |
| Native American | 135 | 2.62% |
| Two or more races | 62 | 1.2% |
| Black or African American | 15 | 0.29% |
Married
Widowed
Divorced
Separated
Never Married
Jefferson's average per capita income is $55,740. Household income levels show a median of $72,842. The poverty rate stands at 4.97%.
Name | Median | Mean |
|---|---|---|
| Families | $88,644 | $121,670 |
| Married Families | $88,390 | - |
| Households | $72,842 | $97,695 |
| Non Families | $49,732 | $50,455 |
Average Income
Median Household Income
Poverty Rate