Overview
4,895
Total Population
40.9
Median age
52.52%
Female population %
90.4:100
Gender ratio (M:F)
50-54 years
Largest age group
45.8
Total dependency ratio
White
Largest racial group
79
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Northfield town's population is old compared to the rest of the country:
- The median age in Northfield town is 40.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Northfield town's population under 18 was 20.98%, compared to the 22.51% nationwide.
- Northfield town's elderly or the senior population (over 65 age) was 14.36% as compared to 16.04% nationwide.
- Of the total population in Northfield town, 17.06% were under the age of 15, 19.96% aged 15 to 29, 48.62% aged 30 to 64, 13.01% aged 65 to 84, and 1.35% were 85 years of age and older.

Read more about Northfield, New Hampshire population by age ➔
Gender
There are 247 more females than males in Northfield town:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 52.52% females and 47.48% males in Northfield, New Hampshire.
- The Northfield, New Hampshire gender ratio is 90.4:100 i.e. 90.4 men to 100 women (0.904).
- For male population, the largest age group is 60-64 years with a population of 240.
- For the female population, the largest age group is 55-59 years with a population of 277.

Read more about Northfield, New Hampshire population by gender ➔
Race / Ethnicity
Northfield town's population has become increasingly diverse:
- Racial distribution of Northfield town population: 93.65% are White, 0.80% are Black or African American, 1.08% are American Indian and Alaska Native, 1.29% are Asian and 3.19% are multiracial.
- Northfield town's racial breakdown clearly shows that there is an absolute majority of White population in the town.
- By ethnicity, 79 is Hispanic or Latino (of any race), and 4,816 (98.39% of the total population) is Non-Hispanic.
- The largest racial group in Northfield town is White with a population of 4,584 (93.65% of the total population).

Read more about Northfield, New Hampshire population by race ➔
Year by year
Northfield town's population has already reached its peak and is showing a trend of decline:
- The peak population was 5,197 in the year 2006
- From 2000 to 2010, Northfield town's population increased by 245 (5.36%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Northfield town's population increased by 54 (1.12%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Northfield town's population was lowest in year 2000 at 4,574.

Read more about Northfield, New Hampshire population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)