Northfield Flag

Northfield

County Seat:
No
Area (mi²):
28.506
State:
New Hampshire

Northfield is located in Merrimack County, New Hampshire. Northfield has a 2025 population of 5,105. Northfield is currently growing at a rate of 0.85% annually and its population has increased by 4.7% since the most recent census, which recorded a population of 4,876 in 2020.

The average household income in Northfield is $98,637 with a poverty rate of 8.64%.The median age in Northfield is 43.8 years: 46 years for males, and 43.4 years for females.

5.1K
Total Population
179
Density (mi²)
43 0.85%
Growth

Northfield Population

Northfield Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Northfield includes 92.21% White, and smaller percentages for Native American, Black or African American, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White4,54592.21%
Two or more races2485.03%
Native American581.18%
Black or African American400.81%
Asian380.77%

Northfield Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Northfield's average per capita income is $52,205. Household income levels show a median of $84,552. The poverty rate stands at 8.64%.

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$110,313-
Families$104,474$113,567
Households$84,552$98,637
Non Families$51,314$53,367

$52,205

Average Income

$84,552

Median Household Income

8.64%

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)