Somersworth, New Hampshire Demographics & Population 2026
During the 2020–2024 ACS period, Somersworth, New Hampshire had a total population of 12,111, the 13th largest city in New Hampshire, with a median household income of $74,504, which is 25% lower than the state average. The poverty rate is 11.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Somersworth Quick Facts
How Somersworth Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 12,060 | 12,111 | +0.4% |
| Median household income | $79,677 | $74,504 | -6.5% |
| Median home value | $295,800 | $318,400 | +7.6% |
How Somersworth Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 24 | National average: 61
Education
Educational Attainment (Adults 25+)
Somersworth Rankings in New Hampshire
Explore New Hampshire Rankings
Other Cities in Strafford County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Dover | 33,364 | $94,829 | 8.3% | $436,700 |
| Rochester | 33,144 | $80,836 | 8.3% | $279,100 |
| Durham | 10,681 | $112,070 | 12.4% | $498,000 |
| Farmington | 3,924 | $55,029 | 14.1% | $229,600 |
| Milton | 356 | $48,125 | 9.3% | $240,400 |
| Milton Mills | 72 | $250,000+ | 11.1% | $366,000 |
Cities Similar to Somersworth
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Claremont | 13,078 | $59,096 | $204,600 | 21.7% | 13.6% |
| Londonderry | 12,225 | $119,571 | $469,500 | 46.1% | 2.9% |
| Exeter | 9,964 | $87,346 | $357,500 | 57.4% | 5.9% |
| Hampton | 10,101 | $97,163 | $545,300 | 44.2% | 4.0% |
| Milford | 8,956 | $78,684 | $357,800 | 33.6% | 5.9% |
Population Overview
Somersworth is a small city located in New Hampshire, within Strafford County. The total population is 12,111. It ranks as the 13th most populous out of 100 Census-designated places in New Hampshire.
Age Demographics
The median age in Somersworth is 38.4 years. This is 11% lower than the state median of 43.3 years.
Economy, Income & Housing
The median household income in Somersworth is $74,504. This is 25% lower than the state median of $99,031. It is also 8% lower than the national median of $80,734. The poverty rate stands at 11.2%. This is 55% higher than the state poverty rate of 7.2%. The unemployment rate is 2.8%. This is 16% lower than the state rate of 3.4%. The median home value is $318,400. Housing costs are 21% lower than the state median of $402,500. The home-value-to-income ratio is 4.3x. 57.8% of occupied housing units are owner-occupied. This homeownership rate is 21% lower than the state average of 72.8%.
Race & Ethnicity
The largest racial or ethnic group in Somersworth is White (non-Hispanic), making up 83.2% of the population. Hispanic or Latino residents account for 6.0%. The Black or African American population is significantly higher than the state average (2.2% vs 1.3%).
Education
31.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% lower than the state rate of 40.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.6%.
Data Sources & Methodology
All demographic data for Somersworth, New Hampshire is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New Hampshire state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 100 Census-designated places in New Hampshire. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Somersworth, New Hampshire?
Somersworth, New Hampshire has a population of 12,111 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Somersworth, NH?
The median household income in Somersworth is $74,504, which is 8% lower than the national median of $80,734.
What is the poverty rate in Somersworth, NH?
The poverty rate in Somersworth is 11.2%. This means approximately 1,353 residents live below the federal poverty line.
What is the racial makeup of Somersworth, New Hampshire?
Somersworth's population is 83.2% White, 2.2% Black, 6.0% Hispanic/Latino, and 2.5% Asian.
What is the median home value in Somersworth, NH?
The median home value in Somersworth is $318,400. The home-value-to-income ratio is 4.3x.
How educated is Somersworth, New Hampshire?
31.4% of adults (25+) in Somersworth hold a bachelor's degree or higher, and 10.0% hold a graduate or professional degree.