Population 4,081 · Census ACS 2020–24
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Population and households in ZIP 03851
Household size in ZIP 03851
| Period | ZIP 03851 | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.48 | 2.54 | 2.52 | 2.68 |
| 2010–14 | 2.75 | 2.59 | 2.50 | 2.73 |
| 2015–19 | 2.58 | 2.60 | 2.49 | 2.71 |
| 2020–24 | 2.65 | 2.55 | 2.51 | 2.65 |
| Change | +0.17 | +0.01 | −0.01 | −0.03 |
Households in ZIP 03851 average 2.65 people, the same as the country as a whole. The typical household here is bigger than in the Boston area overall, where it has 2.55 people. Household size has climbed from 2.48 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.
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 ZIP 03851
| Period | ZIP 03851 | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 38.7 | 38.9 | 40.6 | 37.7 |
| 2010–14 | 39.7 | 39.7 | 42.1 | 38.6 |
| 2015–19 | 44.0 | 40.4 | 43.3 | 39.6 |
| 2020–24 | 46.4 | 40.8 | 44.2 | 40.1 |
| Change | +7.7 | +1.9 | +3.5 | +2.3 |
With a median age of 46.4, ZIP 03851 is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.
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 ZIP 03851
| Period | ZIP 03851 | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 15.4% | 10.4% | 9.4% | 12.3% |
| 2010–14 | 13.9% | 10.2% | 9.5% | 12.3% |
| 2015–19 | 5.2% | 9.6% | 8.9% | 11.6% |
| 2020–24 | 10.2% | 9.7% | 8.5% | 11.6% |
| Change | −5.2 pts | −0.7 pts | −0.9 pts | −0.6 pts |
Single parents head about one in ten households in ZIP 03851 (10.2%), a little below the national share of 11.6%. That is in line with the rest of the Boston area.
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 ZIP 03851
Renters in ZIP 03851
| Period | ZIP 03851 | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 15.3% | 36.8% | 27.4% | 33.3% |
| 2010–14 | 16.8% | 38.5% | 29.0% | 35.6% |
| 2015–19 | 12.0% | 38.3% | 28.9% | 36.0% |
| 2020–24 | 14.3% | 38.4% | 27.2% | 34.8% |
| Change | −1.1 pts | +1.6 pts | −0.1 pts | +1.5 pts |
ZIP 03851 is overwhelmingly a place of homeowners: only 14.3% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 32.8% have no mortgage at all, below the national share of 39.8%.
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 ZIP 03851
| Period | ZIP 03851 | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 14.7% | 8.1% | 12.6% | 11.4% |
| 2010–14 | 15.3% | 7.4% | 12.5% | 11.4% |
| 2015–19 | 14.1% | 7.3% | 12.7% | 11.1% |
| 2020–24 | 13.8% | 6.7% | 11.7% | 9.6% |
| Change | −0.9 pts | −1.4 pts | −0.9 pts | −1.8 pts |
Vacant homes make up 13.8% of the housing in ZIP 03851, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.
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 ZIP 03851
| Period | ZIP 03851 | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 1981 | 1958 | 1971 | 1974 |
| 2010–14 | 1978 | 1959 | 1972 | 1975 |
| 2015–19 | 1983 | 1961 | 1973 | 1977 |
| 2020–24 | 1979 | 1964 | 1976 | 1980 |
| Change | −2 | +6 | +5 | +6 |
The typical home in ZIP 03851 was built around 1979, about the same vintage as the country's housing overall (1980). Homes here are newer than in the wider Boston area, where the median home dates to 1964.
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 ZIP 03851
| Period | ZIP 03851 | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,129 | $1,171 | $1,018 | $965 |
| 2010–14 | $985 | $1,251 | $1,094 | $1,040 |
| 2015–19 | $970 | $1,537 | $1,224 | $1,213 |
| 2020–24 | $1,556 | $2,051 | $1,597 | $1,571 |
| Change | +$427 | +$881 | +$580 | +$606 |
A typical rental in ZIP 03851 costs $1,556 a month with utilities, close to the national median of $1,571. Rents here are lower than in the wider Boston area ($2,051). Rent takes 33.0% of the typical renter's income, just over the 30% mark often used to define affordable rent.
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 ZIP 03851
Bachelor's degrees in ZIP 03851
| Period | ZIP 03851 | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 14.2% | 42.2% | 33.5% | 28.4% |
| 2010–14 | 16.0% | 44.1% | 35.0% | 29.6% |
| 2015–19 | 24.6% | 48.2% | 37.6% | 32.1% |
| 2020–24 | 19.9% | 51.9% | 41.1% | 35.6% |
| Change | +5.7 pts | +9.7 pts | +7.6 pts | +7.2 pts |
Fewer adults in ZIP 03851 have a four-year degree than in the country as a whole: 19.9%, against 35.6% nationally.
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 ZIP 03851
| Period | ZIP 03851 | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 86.1% | 89.8% | 91.0% | 84.9% |
| 2010–14 | 90.5% | 90.6% | 92.0% | 86.1% |
| 2015–19 | 92.9% | 91.5% | 93.1% | 87.7% |
| 2020–24 | 92.5% | 91.8% | 94.5% | 89.3% |
| Change | +6.4 pts | +2.1 pts | +3.5 pts | +4.3 pts |
High school completion in ZIP 03851 is a bit above the national rate: 92.5% of adults have a diploma or equivalent, against 89.3%. That is in line with the rest of the Boston area.
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 ZIP 03851
| Period | ZIP 03851 | Boston area | New Hampshire | U.S. |
|---|---|---|---|---|
| 2006–10 | 11.8% | 7.0% | 5.9% | 8.1% |
| 2010–14 | 7.6% | 8.0% | 6.6% | 9.4% |
| 2015–19 | 5.6% | 4.6% | 3.6% | 5.6% |
| 2020–24 | 3.2% | 4.9% | 3.4% | 5.4% |
| Change | −8.6 pts | −2.1 pts | −2.5 pts | −2.7 pts |
Unemployment in ZIP 03851 has been low: just 3.2% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).
ZIP 03851 compared with nearby ZIP codes
| ZIP code | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| ZIP 03851 | 2.65 | 46.4 | 10.2% | 14.3% | 13.8% | 1979 | $1,556 | 19.9% | 92.5% | 3.2% |
| ZIP 03835 | 2.44 | 47.5 | 8.6% | 22.1% | 7.3% | 1972 | $1,414 | 16.5% | 89.1% | 4.0% |
| ZIP 03887 | 2.70 | 43.4 | 8.7% | 3.0% | 23.9% | 1981 | $1,480 | 20.0% | 91.3% | 3.8% |
| ZIP 04027 | 2.53 | 43.4 | 8.3% | 3.2% | 3.6% | 1988 | $1,339 | 13.5% | 92.6% | 3.5% |
| ZIP 03852 | 2.59 | 48.7 | 13.0% | 7.8% | 15.4% | 1959 | $1,587 | 34.5% | 92.5% | 0.0% |
| ZIP 03868 | 2.55 | 43.7 | 6.5% | 26.9% | 6.2% | 1976 | $1,270 | 27.1% | 95.3% | 4.3% |
| ZIP 03855 | 2.52 | 47.6 | 4.2% | 5.9% | 29.9% | 1984 | $1,425 | 35.1% | 95.0% | 9.2% |
| ZIP 04001 | 2.55 | 53.2 | 3.3% | 3.9% | 43.7% | 1971 | $2,616 | 24.3% | 93.2% | 4.6% |
| ZIP 03867 | 2.32 | 44.3 | 6.8% | 35.8% | 6.6% | 1974 | $1,377 | 24.8% | 92.9% | 2.6% |
| ZIP 03872 | 2.29 | 55.4 | 7.6% | 3.1% | 25.5% | 1972 | $1,375 | 31.5% | 95.4% | 1.3% |
| ZIP 04083 | 2.34 | 38.9 | 12.8% | 22.5% | 5.2% | 1966 | $1,297 | 31.4% | 94.4% | 2.5% |
All figures 2020–24.
Zip codes with similar populations: 79845, TX · 87001, NM · 86514, AZ · 65791, MO · 18618, PA · 42450, KY · 75473, TX · 49274, MI · 08089, NJ · 37843, TN
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 ZIP 03851. 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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