Hillsborough County ranked second among counties in New Hampshire by annual earnings per resident, according to data obtained from the U.S. Census Bureau.
The median income of Hillsborough County residents was $36,496 per year, adjusted for inflation. It had 159,200 households with a population of 411,087.
The county with the highest median resident income in the state was Rockingham County with $40,896 per year after adjusting for inflation – $4,400 more than Hillsborough County. It had 120,147 households with a population of 305,129.
The county with the lowest median resident income in the state was Coos County with $25,028 per year after adjusting for inflation – $11,468 less than Hillsborough County. It had 13,720 households with a population of 32,038.
New Hampshire counties by earnings per resident (2018)
| Rank | County | Earnings per resident |
|---|---|---|
| 1 | Rockingham County | $40,896 |
| 2 | Hillsborough County | $36,496 |
| 3 | Merrimack County | $34,545 |
| 4 | Belknap County | $31,977 |
| 5 | Sullivan County | $31,475 |
| 6 | Strafford County | $30,703 |
| 7 | Carroll County | $30,360 |
| 8 | Grafton County | $29,450 |
| 9 | Cheshire County | $28,867 |
| 10 | Coos County | $25,028 |
* All values are inflation-adjusted

