Market insights · New Hampshire
Coos County, NH: growth, migration and housing
Coos County has 31,343 residents, up 0.3% since 2020 (-0.1% in the last year). In 2022–2023, 827 households moved in and 781 moved out (+46 net), bringing in a net $17.4M of income. Median household income is $57,677, the median home $188,900 and median rent $876 a month.
In New Hampshire: 10th of 10 counties for 5-year population growth · 7th of 10 counties for net in-migration (per resident) · 10th of 10 counties for median household income · 10th of 10 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Coos County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Grafton County, NH | 98 | $6.5M |
| Essex County, VT | 32 | $1.1M |
| Strafford County, NH | 20 | $1.0M |
Where leavers went
Top counties by households leaving Coos County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Grafton County, NH | 97 | $4.3M |
| Essex County, VT | 33 | $1.4M |
| Strafford County, NH | 27 | $0.9M |
| Carroll County, NH | 24 | $1.5M |
BizyFi in Coos County
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.