Derry, New Hampshire Demographics & Population 2026
During the 2020–2024 ACS period, Derry, New Hampshire had a total population of 21,339, the 8th largest community in New Hampshire, with a median household income of $91,673, which is 7% lower than the state average. The poverty rate is 4.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- An exceptionally low poverty rate of 4.3% — among the lowest in New Hampshire.
Derry Quick Facts
How Derry 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 | 21,668 | 21,339 | -1.5% |
| Median household income | $88,901 | $91,673 | +3.1% |
| Median home value | $356,700 | $391,200 | +9.7% |
How Derry 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+)
Derry 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 |
| 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 |
| Seabrook Beach | 1,001 | $93,571 | 7.8% | $920,900 |
| Newfields | 294 | $185,769 | 1.0% | $484,100 |
Cities Similar to Derry
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Portsmouth | 22,545 | $106,219 | $688,500 | 64.0% | 6.8% |
| Keene | 22,939 | $78,445 | $252,500 | 44.1% | 10.1% |
| Laconia | 17,085 | $73,218 | $340,300 | 27.2% | 12.6% |
| Lebanon | 14,999 | $98,147 | $385,400 | 57.5% | 7.0% |
| Dover | 33,364 | $94,829 | $436,700 | 52.0% | 8.3% |
Population Overview
Derry is a small city located in New Hampshire, within Rockingham County. The total population is 21,339. It ranks as the 8th most populous out of 100 Census-designated places in New Hampshire.
Age Demographics
The median age in Derry is 41.0 years. This is 5% lower than the state median of 43.3 years.
Economy, Income & Housing
The median household income in Derry is $91,673. This is 7% lower than the state median of $99,031. It is also 14% higher than the national median of $80,734. The poverty rate stands at 4.3%. This is 40% lower than the state poverty rate of 7.2%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.2%. This is 3% lower than the state rate of 3.4%. The median home value is $391,200. Housing costs are 3% lower than the state median of $402,500. The home-value-to-income ratio is 4.3x. 59.1% of occupied housing units are owner-occupied. This homeownership rate is 19% lower than the state average of 72.8%.
Race & Ethnicity
Derry has a predominantly White (non-Hispanic) population, comprising 89.4% of all residents. Hispanic or Latino residents account for 4.5%. The Black or African American population (0.1%) is well below the state average of 1.3%.
Education
36.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 10% 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 92.6%.
Data Sources & Methodology
All demographic data for Derry, 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 Derry, New Hampshire?
Derry, New Hampshire has a population of 21,339 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Derry, NH?
The median household income in Derry is $91,673, which is 14% higher than the national median of $80,734.
What is the poverty rate in Derry, NH?
The poverty rate in Derry is 4.3%. This means approximately 918 residents live below the federal poverty line.
What is the racial makeup of Derry, New Hampshire?
Derry's population is 89.4% White, 0.1% Black, 4.5% Hispanic/Latino, and 2.8% Asian.
What is the median home value in Derry, NH?
The median home value in Derry is $391,200. The home-value-to-income ratio is 4.3x.
How educated is Derry, New Hampshire?
36.7% of adults (25+) in Derry hold a bachelor's degree or higher, and 11.1% hold a graduate or professional degree.