Overview
1,829
Total Population
48.1
Median age
51.94%
Female population %
92.5:100
Gender ratio (M:F)
60-64 years
Largest age group
63.2
Total dependency ratio
White
Largest racial group
14
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Northumberland town's population is old compared to the rest of the country:
- The median age in Northumberland town is 48.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Northumberland town's population under 18 was 18.86%, compared to the 22.51% nationwide.
- Northumberland town's elderly or the senior population (over 65 age) was 22.74% as compared to 16.04% nationwide.
- Of the total population in Northumberland town, 15.97% were under the age of 15, 12.30% aged 15 to 29, 48.99% aged 30 to 64, 21.21% aged 65 to 84, and 1.53% were 85 years of age and older.

Read more about Northumberland, New Hampshire population by age ➔
Gender
There are 71 more females than males in Northumberland town:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.94% females and 48.06% males in Northumberland, New Hampshire.
- The Northumberland, New Hampshire gender ratio is 92.5:100 i.e. 92.5 men to 100 women (0.925).
- For male population, the largest age group is 55-59 years with a population of 85.
- For the female population, the largest age group is 45-49 years with a population of 100.

Read more about Northumberland, New Hampshire population by gender ➔
Race / Ethnicity
Northumberland town's population has become increasingly diverse:
- Racial distribution of Northumberland town population: 97.27% are White, 1.37% are American Indian and Alaska Native, 0.22% are Asian and 1.15% are multiracial.
- Northumberland town's racial breakdown clearly shows that there is an absolute majority of White population in the town.
- By ethnicity, 14 is Hispanic or Latino (of any race), and 1,815 (99.23% of the total population) is Non-Hispanic.
- The largest racial group in Northumberland town is White with a population of 1,779 (97.27% of the total population).

Read more about Northumberland, New Hampshire population by race ➔
Year by year
Northumberland town's population has already reached its peak and is showing a trend of decline:
- The peak population was 2,432 in the year 2000
- From 2000 to 2010, Northumberland town's population decreased by 145 (5.96%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Northumberland town's population decreased by 161 (7.04%), 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, Northumberland town's population was lowest in year 2020 at 2,126.

Read more about Northumberland, 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)