Seabrook Beach, New Hampshire Demographics & Population 2026
During the 2020–2024 ACS period, Seabrook Beach, New Hampshire had a total population of 1,001, the 66th largest community in New Hampshire, with a median household income of $93,571, which is 6% lower than the state average. The poverty rate is 7.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing affordability is a challenge — homes cost 9.8x the median household income.
- Unemployment rate of 9.8% is notably above the national average.
Seabrook Beach Quick Facts
How Seabrook Beach 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 | 909 | 1,001 | +10.1% |
| Median household income | $114,167 | $93,571 | -18.0% |
| Median home value | $903,300 | $920,900 | +1.9% |
How Seabrook Beach 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+)
Seabrook Beach Rankings in New Hampshire
Explore New Hampshire Rankings
Other Cities in Rockingham County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Portsmouth | 22,545 | $106,219 | 6.8% | $688,500 |
| Derry | 21,339 | $91,673 | 4.3% | $391,200 |
| Londonderry | 12,225 | $119,571 | 2.9% | $469,500 |
| Hampton | 10,101 | $97,163 | 4.0% | $545,300 |
| Exeter | 9,964 | $87,346 | 5.9% | $357,500 |
| Newmarket | 5,679 | $87,196 | 6.9% | $423,500 |
| Raymond | 3,645 | $73,066 | 7.1% | $314,900 |
| Epping | 2,796 | $95,273 | 2.5% | $384,800 |
| Hampton Beach | 2,605 | $82,557 | 8.2% | $508,900 |
| Newfields | 294 | $185,769 | 1.0% | $484,100 |
Cities Similar to Seabrook Beach
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Wilton | 1,038 | $84,342 | $359,800 | 31.8% | 2.8% |
| Troy | 1,081 | $96,250 | $204,600 | 27.6% | 4.3% |
| Marlborough | 1,048 | $67,356 | $261,700 | 36.3% | 7.2% |
| Bethlehem | 1,058 | $64,625 | $262,000 | 52.8% | 11.5% |
| New London | 1,278 | N/A | $481,000 | 50.3% | 6.5% |
Population Overview
Seabrook Beach is a small community located in New Hampshire, within Rockingham County. The total population is 1,001. It ranks as the 66th most populous out of 100 Census-designated places in New Hampshire.
Age Demographics
The median age in Seabrook Beach is 62.0 years. This is 43% higher than the state median of 43.3 years. Only 5.2% of residents are under 18, indicating fewer families with children. 21.1% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Seabrook Beach is $93,571. This is 6% lower than the state median of $99,031. It is also 16% higher than the national median of $80,734. The poverty rate stands at 7.8%. This is 7% higher than the state poverty rate of 7.2%. The unemployment rate is 9.8%. This is 192% higher than the state rate of 3.4%. The median home value is $920,900. Housing costs are 129% higher than the state median of $402,500. The home-value-to-income ratio of 9.8x suggests that housing affordability is a significant concern for many residents. 74.6% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 72.8%.
Race & Ethnicity
Seabrook Beach has a predominantly White (non-Hispanic) population, comprising 95.5% of all residents. Hispanic or Latino residents account for 3.0%.
Education
39.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 2% 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 95.0%.
Data Sources & Methodology
All demographic data for Seabrook Beach, 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 Seabrook Beach, New Hampshire?
Seabrook Beach, New Hampshire has a population of 1,001 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Seabrook Beach, NH?
The median household income in Seabrook Beach is $93,571, which is 16% higher than the national median of $80,734.
What is the poverty rate in Seabrook Beach, NH?
The poverty rate in Seabrook Beach is 7.8%. This means approximately 78 residents live below the federal poverty line.
What is the racial makeup of Seabrook Beach, New Hampshire?
Seabrook Beach's population is 95.5% White, 0.0% Black, 3.0% Hispanic/Latino, and 1.5% Asian.
What is the median home value in Seabrook Beach, NH?
The median home value in Seabrook Beach is $920,900. The home-value-to-income ratio is 9.8x.
How educated is Seabrook Beach, New Hampshire?
39.6% of adults (25+) in Seabrook Beach hold a bachelor's degree or higher, and 13.8% hold a graduate or professional degree.