Effective property tax rates for all 10 New Hampshire counties — median real estate taxes paid ÷ median home value, from U.S. Census ACS data — ranked highest to lowest. Sullivan County has the highest rate at 2.38%; Carroll County has the lowest at 1.06%.
Data as of July 2026.
| Rank | County | Effective rate | Median annual bill | Median home value |
|---|---|---|---|---|
| 1 | Sullivan County | 2.38% | $5,616 | $236,300 |
| 2 | Cheshire County | 2.32% | $5,968 | $257,200 |
| 3 | Coos County | 2.07% | $3,511 | $169,600 |
| 4 | Merrimack County | 2.00% | $6,617 | $330,600 |
| 5 | Strafford County | 1.98% | $6,582 | $332,400 |
| 6 | Grafton County | 1.88% | $5,624 | $298,500 |
| 7 | Hillsborough County | 1.76% | $6,791 | $385,500 |
| 8 | Rockingham County | 1.63% | $7,512 | $461,400 |
| 9 | Belknap County | 1.44% | $4,897 | $340,000 |
| 10 | Carroll County | 1.06% | $3,685 | $348,900 |
Rates are estimates derived from Census ACS 5-year data, not your actual bill — see the methodology for how they're calculated. A “≥” rate means the county sits at the ACS top-code ceiling, so the real rate may be higher.
Informational only — not legal or tax advice. Exemption rules and amounts are summarized from official statutes and state tax-agency sources as of each program's verified date and can change by legislative session. Dollar figures are estimates derived from Census ACS county tax data, not actual bills. Confirm your eligibility and current amounts with your county assessor before relying on anything here.