Merrimack County property tax
Homeowners in Merrimack County, New Hampshire typically pay about 1.85% of their home's value in property tax each year — a median bill of $6,783 on a median home value of $367,600.
Typical effective rate
1.85%
higher than 4% of U.S. counties
Median tax paid
$6,783
per year
Median home value
$367,600
In NH
#5
of 10 ranked counties
At a glance
- Effective rate 1.85% — 97% higher than the U.S. median of 0.94%, and 11% higher than the New Hampshire median of 1.66%.
- With vs. without a mortgage — median tax $7,168 for mortgaged homes, $6,065 for homes owned outright.
- State ranking — 5th highest effective rate of 10 ranked New Hampshire counties; nationally it sits around the 96th percentile.
Estimate a bill for Merrimack County
Apply this county's typical effective rate (1.85%) to a home value of your choice.
Frequently asked questions
What is the property tax rate in Merrimack County, NH?
The typical effective property-tax rate in Merrimack County is 1.85% of a home's value per year, based on median taxes paid ($6,783) divided by the median home value ($367,600) in the Census ACS 2020–2024 5-year estimates. This is a typical burden for comparison, not a statutory mill rate.
How much is property tax on a typical home in Merrimack County?
The median owner-occupied home in Merrimack County is valued at $367,600, and the median real estate tax paid is $6,783 per year. Homes with a mortgage have a median tax of $7,168, versus $6,065 for homes without one.
How does Merrimack County compare to the rest of New Hampshire?
Merrimack County's effective rate is 11% higher than the New Hampshire median, ranking 5th of 10 ranked counties in the state.
Compare nearby New Hampshire counties
Counties ranked closest to Merrimack County by in-state effective rate. Open the comparison tool or see all New Hampshire counties.
| In-state | County | Effective rate | Median tax |
|---|---|---|---|
| 2 | Sullivan County | 2.14% | $5,756 |
| 3 | Coos County | 1.89% | $3,579 |
| 4 | Strafford County | 1.85% | $6,708 |
| 6 | Grafton County | 1.72% | $5,925 |
| 7 | Hillsborough County | 1.66% | $6,999 |
| 8 | Rockingham County | 1.58% | $7,839 |
Official data & resources for Merrimack County
- Merrimack County Census profile (data.census.gov) — housing, value and tax figures for this county.
- Table B25103 for Merrimack County — median real estate taxes paid (the source for the tax figures above).
- Table B25077 for Merrimack County — median home value.
- Federal forms & is property tax deductible? — IRS Pub 530, Schedule A and the SALT cap, plus your state tax agency.
Finding your exact bill
Your county or municipal assessor (sometimes called the appraisal district, property appraiser, or tax collector) sets the assessed value and the exact millage that produces your bill. Search for "[county name] [state] assessor" or "property tax" on an official .gov site.
Figures on this page are Census survey medians for the whole county (2020–2024 5-year), not an assessment of any individual property. Rates, exemptions and assessment practices vary by municipality and school district within a county.