Merrimack County, NH property tax
Census ACS 2023 5-year estimates · updated 2026-09-20
The median effective property tax rate in Merrimack County is 2.00%, above the New Hampshire median of 1.77% and above the national median of 0.98%. The median homeowner pays $6,617 a year on a home worth $330,600.
- Effective rate
- 2.00%
- Median annual bill
- $6,617
- Median home value
- $330,600
- Rank in New Hampshire
- 4of 10
Estimated annual bill by home value
| Home value | Estimated bill | Per month |
|---|---|---|
| $200,000 | $4,000 | $333 |
| $300,000 | $6,000 | $500 |
| $400,000 | $8,000 | $667 |
| $500,000 | $10,000 | $833 |
| $750,000 | $15,000 | $1,250 |
| $1,000,000 | $20,000 | $1,667 |
Merrimack County compared with New Hampshire and the US
| Area | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Merrimack County | 2.00% | $6,617 | $330,600 |
| New Hampshire median | 1.77% | $6,505 | $367,200 |
| United States median | 0.98% | $2,969 | n/a |
Rates and medians: U.S. Census Bureau, ACS 2023 5-year estimates, tables B25103 and B25077. Effective rate is median taxes paid divided by median owner-occupied home value.
Frequently asked questions
What is the property tax rate in Merrimack County, NH?
The median effective property tax rate in Merrimack County is 2.00% of home value, above the New Hampshire median of 1.77% and above the national median of 0.98%. The median homeowner pays $6,617 a year on a median home value of $330,600 (Census ACS 2023 5-year).
How much is property tax on a $400,000 house in Merrimack County?
About $8,000 per year at the county's median effective rate of 2.00%, before exemptions. The exact bill depends on the city, school district and special districts that serve the parcel, so treat this as a planning estimate.
How does Merrimack County compare with the rest of New Hampshire?
Merrimack County ranks 4 of 10 New Hampshire counties by effective rate. The New Hampshire median is 1.77% and the median bill is $6,505.