The median income of Merrimack County residents was an inflation-adjusted $33,249 per year. Merrimack County had 57,247 households in 2017, with a population of 147,958.
The county with the highest median resident income in the state was Rockingham County. Rockingham County's median income was $39,666 per year after adjusting for inflation – $6,417 more than Merrimack County. It had 119,955 households in 2017 and a population of 302,479.
Coos County had the lowest annual resident income among counties in New Hampshire, with a median income of only $24,716 per year. That was $8,533 less than the median income in Merrimack County at the time. Coos County had 13,879 households in 2017 and a population of 32,119.
The table below shows the state's counties ranked by median annual resident earnings in 2017.
| Rank | County | Earnings per resident ($$$) |
|---|---|---|
| 1 | Rockingham County | 39,666 |
| 2 | Hillsborough County | 35,341 |
| 3 | Merrimack County | 33,249 |
| 4 | Belknap County | 31,482 |
| 5 | Sullivan County | 30,853 |
| 6 | Strafford County | 29,820 |
| 7 | Carroll County | 29,077 |
| 8 | Cheshire County | 28,380 |
| 9 | Grafton County | 27,868 |
| 10 | Coos County | 24,716 |
ORGANIZATIONS IN THIS STORY
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