Hillsborough township is located in Somerset County, New Jersey. Hillsborough township has a 2026 population of 47,159. Hillsborough township is currently growing at a rate of 1.88% annually and its population has increased by 9.06% since the most recent census, which recorded a population of 43,242 in 2020.
The median household income in Hillsborough township is $154,031 with a poverty rate of 2.95%. The median age in Hillsborough township is 42.1 years: 40.5 years for males, and 43 years for females. For every 100 females there are 96.1 males.
Data after 2023 is projected based on recent change
Overall: 42.1 years
Female: 43 years
Male: 40.5 years
There are 34,454 adults, (7,104 of whom are seniors) in Hillsborough township.
Female: 22,486 (51%)
Male: 21,605 (49%)
The racial composition of Hillsborough township includes 61.25% White, 22.01% Asian, 3.94% Black or African American, and smaller percentages for other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 27,005 | 61.25% |
| Asian | 9,703 | 22.01% |
| Two or more races | 4,030 | 9.14% |
| Black or African American | 1,736 | 3.94% |
| Other race | 1,036 | 2.35% |
| Native American | 581 | 1.32% |
Hillsborough township 's average per capita income is $84,963. Household income levels show a median of $154,031. The poverty rate stands at 2.95%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $205,894 | - |
| Families | $185,556 | $218,283 |
| Households | $154,031 | $193,805 |
| Non Families | $93,891 | $115,117 |
Average Income
Median Household Income
Poverty Rate