Population 33,516 · Census ACS 2020–24
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Population and households in Derry
Household size in Derry
| Period | Derry | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.69 | 2.54 | 2.52 | 2.68 |
| 2010–14 | 2.60 | 2.59 | 2.50 | 2.73 |
| 2015–19 | 2.64 | 2.60 | 2.49 | 2.71 |
| 2020–24 | 2.71 | 2.55 | 2.51 | 2.65 |
| Change | +0.02 | +0.01 | −0.01 | −0.03 |
At 2.71 people per household, Derry sits close to the national average of 2.65. The typical household here is bigger than in the Boston area as a whole, where it has 2.55 people. Households are largest in the northwest and smallest in the center.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Derry
| Period | Derry | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 36.9 | 38.9 | 40.6 | 37.7 |
| 2010–14 | 38.9 | 39.7 | 42.1 | 38.6 |
| 2015–19 | 41.0 | 40.4 | 43.3 | 39.6 |
| 2020–24 | 40.6 | 40.8 | 44.2 | 40.1 |
| Change | +3.6 | +1.9 | +3.5 | +2.3 |
At 40.6, the median age in Derry is close to the national median of 40.1, so its age mix looks much like the country's. The median age has climbed from 36.9 in 2006–10, as it has nationally. The youngest areas are in the northwest, the oldest in the center.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Derry
| Period | Derry | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 10.4% | 10.4% | 9.4% | 12.3% |
| 2010–14 | 10.9% | 10.2% | 9.5% | 12.3% |
| 2015–19 | 11.8% | 9.6% | 8.9% | 11.6% |
| 2020–24 | 11.7% | 9.7% | 8.5% | 11.6% |
| Change | +1.3 pts | −0.7 pts | −0.9 pts | −0.6 pts |
Single parents head nearly one in eight households in Derry (11.7%), close to the national share of 11.6%. Single parents are more common here than in the Boston area overall (9.7%). Since 2006–10, the single-parent share has edged up 1.3 points, even as the national share fell.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Derry
Renters in Derry
| Period | Derry | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 30.6% | 36.8% | 27.4% | 33.3% |
| 2010–14 | 36.5% | 38.5% | 29.0% | 35.6% |
| 2015–19 | 35.2% | 38.3% | 28.9% | 36.0% |
| 2020–24 | 30.2% | 38.4% | 27.2% | 34.8% |
| Change | −0.4 pts | +1.6 pts | −0.1 pts | +1.5 pts |
About three in ten households in Derry rent their homes (30.2%), a little below the national share of 34.8%; the rest own. Just over a quarter of owners (26.3%) have paid off their mortgages, well below the national share of 39.8%. Renting is most common in the center and least common in the east.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Derry
| Period | Derry | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.0% | 8.1% | 12.6% | 11.4% |
| 2010–14 | 3.9% | 7.4% | 12.5% | 11.4% |
| 2015–19 | 6.6% | 7.3% | 12.7% | 11.1% |
| 2020–24 | 9.7% | 6.7% | 11.7% | 9.6% |
| Change | +3.6 pts | −1.4 pts | −0.9 pts | −1.8 pts |
About as many homes sit empty in Derry as nationally: 9.7%, against 9.6%. The rate is higher than in the Boston area as a whole (6.7%). Vacancy is up 3.6 points from 2006–10, even as the national rate fell.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Derry
| Period | Derry | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 1977 | 1958 | 1971 | 1974 |
| 2010–14 | 1979 | 1959 | 1972 | 1975 |
| 2015–19 | 1977 | 1961 | 1973 | 1977 |
| 2020–24 | 1982 | 1964 | 1976 | 1980 |
| Change | +5 | +6 | +5 | +6 |
Homes in Derry are about the same age as the nation's housing: the median home was built in 1982, versus 1980 nationally. Homes here are newer than in the wider Boston area, where the median home dates to 1964. The median year built has moved up from 1977 in 2006–10, a sign of steady new building.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Derry
| Period | Derry | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,178 | $1,171 | $1,018 | $965 |
| 2010–14 | $1,268 | $1,251 | $1,094 | $1,040 |
| 2015–19 | $1,438 | $1,537 | $1,224 | $1,213 |
| 2020–24 | $1,715 | $2,051 | $1,597 | $1,571 |
| Change | +$537 | +$881 | +$580 | +$606 |
The median renter in Derry pays $1,715 a month for rent and utilities, above the national median of $1,571. Still, rents here are lower than in the wider Boston area ($2,051). Rent has climbed $537 a month since 2006–10, up 46%, a slower climb than the nation's. The typical renter here spends 28.1% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Derry
Bachelor's degrees in Derry
| Period | Derry | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 29.5% | 42.2% | 33.5% | 28.4% |
| 2010–14 | 28.2% | 44.1% | 35.0% | 29.6% |
| 2015–19 | 29.2% | 48.2% | 37.6% | 32.1% |
| 2020–24 | 37.3% | 51.9% | 41.1% | 35.6% |
| Change | +7.8 pts | +9.7 pts | +7.6 pts | +7.2 pts |
Nearly four in ten adults 25 and older in Derry (37.3%) hold at least a bachelor's degree, close to the national share of 35.6%. The share is lower than in the Boston area as a whole (51.9%). The share with a degree is up 7.8 points from 2006–10, in line with the national trend.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Derry
| Period | Derry | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 92.2% | 89.8% | 91.0% | 84.9% |
| 2010–14 | 94.7% | 90.6% | 92.0% | 86.1% |
| 2015–19 | 94.1% | 91.5% | 93.1% | 87.7% |
| 2020–24 | 94.0% | 91.8% | 94.5% | 89.3% |
| Change | +1.8 pts | +2.1 pts | +3.5 pts | +4.3 pts |
High school completion in Derry is above the national rate: 94.0% of adults have a diploma, against 89.3%. The share with a diploma is up 1.8 points from 2006–10, as it has nationally. Compared with other New Hampshire cities, though, Derry has a lower share of high school graduates than most.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Derry
| Period | Derry | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.3% | 7.0% | 5.9% | 8.1% |
| 2010–14 | 7.8% | 8.0% | 6.6% | 9.4% |
| 2015–19 | 5.7% | 4.6% | 3.6% | 5.6% |
| 2020–24 | 3.4% | 4.9% | 3.4% | 5.4% |
| Change | −3.9 pts | −2.1 pts | −2.5 pts | −2.7 pts |
Jobs have been easier to find in Derry than nationally: unemployment was 3.4%, against 5.4%. Unemployment is down 3.9 points from 2006–10, in line with the national trend. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Derry compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Derry | 2.71 | 40.6 | 11.7% | 30.2% | 9.7% | 1982 | $1,715 | 37.3% | 94.0% | 3.4% |
| North Londonderry | 2.65 | 39.8 | 23.6% | 25.2% | 5.7% | 2005 | $1,207 | 41.8% | 98.4% | 3.3% |
| Londonderry | 2.73 | 42.3 | 9.2% | 14.1% | 4.6% | 1988 | $1,928 | 48.2% | 97.1% | 4.8% |
| Windham | 3.06 | 41.7 | 7.7% | 6.2% | 4.9% | 1995 | $3,217 | 63.3% | 97.5% | 5.1% |
| Hampstead | 2.57 | 48.7 | 6.8% | 15.6% | 6.5% | 1982 | $1,467 | 42.7% | 97.1% | 6.9% |
| Chester | 2.84 | 46.6 | 6.1% | 3.7% | 7.1% | 1991 | $1,677 | 40.1% | 97.9% | 3.0% |
| Sandown | 2.82 | 42.8 | 16.2% | 15.8% | 3.6% | 1990 | $1,887 | 35.9% | 96.3% | 3.6% |
| Auburn | 3.05 | 44.1 | 8.8% | 5.0% | 7.5% | 1985 | $1,823 | 54.6% | 94.5% | 1.2% |
| Atkinson | 2.49 | 52.9 | 5.3% | 9.3% | 4.6% | 1981 | $1,195 | 42.8% | 95.9% | 4.8% |
| Salem | 2.50 | 44.2 | 8.0% | 24.5% | 11.3% | 1979 | $1,792 | 39.5% | 95.8% | 2.9% |
| Litchfield | 2.81 | 43.9 | 5.5% | 12.1% | 2.5% | 1990 | $1,834 | 45.8% | 94.9% | 4.4% |
All figures 2020–24.
Cities with similar populations: Media, PA · Eagle, ID · Fair Oaks, VA · Foster City, CA · Granger, IN · Granite City, IL · Independence, KY · Inman, SC · Jacksonville, AR · Kaysville, UT
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Derry. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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