Merrimack Flag

Merrimack

County Seat:
No
Area (mi²):
32.592
State:
New Hampshire

Merrimack is located in Hillsborough County, New Hampshire. Merrimack has a 2025 population of 29,367 . Merrimack is currently growing at a rate of 1.53% annually and its population has increased by 9.44% since the most recent census, which recorded a population of 26,835 in 2020.

The median household income in Merrimack is $129,302 with a poverty rate of 3.44%. The median age in Merrimack is 41.6 years: 40.8 years for males, and 41.9 years for females. For every 100 females there are 103.2 males.

29.4K
Total Population
901
Density (mi²)
442 1.53%
Growth

Merrimack Population

Merrimack Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Merrimack includes 88.38% White, 4.5% Asian, and smaller percentages for other race, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White (88.38%)

Asian (4.5%)

Two or more races (4.41%)

Other race (1.68%)

Black or African American (1.01%)

Native Hawaiian or Pacific Islander (0.02%)

Race
Population
Percentage (of total)
White24,44188.38%
Asian1,2454.5%
Two or more races1,2214.41%
Other race4661.68%
Black or African American2781.01%
Native Hawaiian or Pacific Islander50.02%

Merrimack Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Merrimack's average per capita income is $72,005. Household income levels show a median of $129,302. The poverty rate stands at 3.44%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$152,320-
Families$147,978$162,941
Households$129,302$147,450
Non Families$81,076$94,586

$72,005

Average Income

$129,302

Median Household Income

3.44%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)