Merrimack County, NH
Demographics & Statistics
Updated: 2025-10-25
Updated: 2025-10-25
Life in Merrimack County research summary. HomeSnacks has been researching the quality of life in Merrimack County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Merrimack County:
The population in Merrimack County is 155,018.
The median home value in Merrimack County is $479,806.
The median income in Merrimack County is $93,944.
The median rent in Merrimack County is $1,293.
The unemployment rate in Merrimack County is 3.1%.
The poverty rate in Merrimack County is 7.1%.
The average high in Merrimack County is 62.1° and there are 90.6 inches of rainfall annually.
The average high in Merrimack County is 62.1°.
There are 72.59 nice days each year.
Expect an average of 90.6 inches of rain each year with 20.7 inches of snow.
There is an average of 4:34 hours of sun each day in Merrimack County.
| Stat | Merrimack County |
|---|---|
| Mean High | 62.1 |
| Nice Days | 72.59 |
| Rainfall | 90.6 |
| Snowfall | 20.7 |
| Sunny Hours | 4:34 |
The current population in Merrimack County is 155,018. The population has increased 2.0% from 2019.
| Year | Population | % Change |
|---|---|---|
| 2023 | 152,983 | 1.4% |
| 2022 | 150,902 | 0.7% |
| 2021 | 149,917 | - |
Merrimack County is 50.2% female with 77,785 female residents.
Merrimack County is 49.8% male with 77,233 male residents.
| Gender | Merrimack County | NH | USA |
|---|---|---|---|
| Female | 50.2% | 50.1% | 50.5% |
| Male | 49.8% | 49.9% | 49.5% |
Merrimack County is:
90.6% White with 140,450 White residents.
1.5% African American with 2,314 African American residents.
0.1% American Indian with 196 American Indian residents.
1.6% Asian with 2,508 Asian residents.
0.0% Hawaiian with 35 Hawaiian residents.
0.2% Other with 315 Other residents.
3.3% Two Or More with 5,117 Two Or More residents.
2.6% Hispanic with 4,083 Hispanic residents.
| Race | Merrimack County | NH | USA |
|---|---|---|---|
| White | 90.6% | 87.5% | 58.2% |
| African American | 1.5% | 1.4% | 12.0% |
| American Indian | 0.1% | 0.1% | 0.5% |
| Asian | 1.6% | 2.6% | 5.7% |
| Hawaiian | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.4% | 0.5% |
| Two Or More | 3.3% | 3.5% | 3.9% |
| Hispanic | 2.6% | 4.5% | 19.0% |
2.9% of households in Merrimack County earn Less than $10,000.
2.3% of households in Merrimack County earn $10,000 to $14,999.
5.2% of households in Merrimack County earn $15,000 to $24,999.
6.2% of households in Merrimack County earn $25,000 to $34,999.
8.4% of households in Merrimack County earn $35,000 to $49,999.
15.1% of households in Merrimack County earn $50,000 to $74,999.
12.9% of households in Merrimack County earn $75,000 to $99,999.
20.7% of households in Merrimack County earn $100,000 to $149,999.
12.3% of households in Merrimack County earn $150,000 to $199,999.
13.8% of households in Merrimack County earn $200,000 or more.
| Income | Merrimack County | NH | USA |
|---|---|---|---|
| Less than $10,000 | 2.9% | 2.9% | 4.9% |
| $10,000 to $14,999 | 2.3% | 2.5% | 3.6% |
| $15,000 to $24,999 | 5.2% | 5.0% | 6.6% |
| $25,000 to $34,999 | 6.2% | 5.6% | 6.8% |
| $35,000 to $49,999 | 8.4% | 8.4% | 10.4% |
| $50,000 to $74,999 | 15.1% | 14.6% | 15.7% |
| $75,000 to $99,999 | 12.9% | 12.9% | 12.7% |
| $100,000 to $149,999 | 20.7% | 20.0% | 17.4% |
| $150,000 to $199,999 | 12.3% | 12.2% | 9.3% |
| $200,000 or more | 13.8% | 15.7% | 12.6% |
1.0% of adults in Merrimack County completed < 9th grade.
5.0% of adults in Merrimack County completed 9-12th grade.
28.0% of adults in Merrimack County completed high school / ged.
17.0% of adults in Merrimack County completed some college.
11.0% of adults in Merrimack County completed associate's degree.
22.0% of adults in Merrimack County completed bachelor's degree.
11.0% of adults in Merrimack County completed master's degree.
3.0% of adults in Merrimack County completed professional degree.
2.0% of adults in Merrimack County completed doctorate degree.
| Education | Merrimack County | NH | USA |
|---|---|---|---|
| < 9th Grade | 0% | 1% | 5% |
| 9-12th Grade | 5% | 4% | 6% |
| High School / GED | 28% | 27% | 26% |
| Some College | 17% | 17% | 19% |
| Associate's Degree | 11% | 10% | 9% |
| Bachelor's Degree | 22% | 24% | 21% |
| Master's Degree | 11% | 12% | 10% |
| Professional Degree | 3% | 2% | 2% |
| Doctorate Degree | 2% | 2% | 2% |
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