Washington township is located in Warren County, New Jersey. Washington township has a 2026 population of 18,424. Washington township is currently growing at a rate of 0.16% annually and its population has increased by 1.49% since the most recent census, which recorded a population of 18,153 in 2020.
The median household income in Washington township is $165,651 with a poverty rate of 2.5%. The median age in Washington township is 46.2 years: 44.6 years for males, and 47.2 years for females. For every 100 females there are 98.1 males.
Data after 2023 is projected based on recent change
Overall: 46.2 years
Female: 47.2 years
Male: 44.6 years
There are 13,841 adults, (3,550 of whom are seniors) in Washington township.
Female: 9,218 (50.5%)
Male: 9,047 (49.5%)
The racial composition of Washington township includes 81.47% White, 4.34% Asian, and smaller percentages for Black or African American, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 14,880 | 81.47% |
| Two or more races | 1,984 | 10.86% |
| Asian | 793 | 4.34% |
| Black or African American | 343 | 1.88% |
| Other race | 265 | 1.45% |
Washington township 's average per capita income is $92,816. Household income levels show a median of $165,651. The poverty rate stands at 2.5%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $208,075 | - |
| Families | $202,090 | $239,795 |
| Households | $165,651 | $204,498 |
| Non Families | $66,518 | $76,673 |
Average Income
Median Household Income
Poverty Rate