Population 886 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Greenwich
Household size in Greenwich
| Period | Greenwich | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 2.60 | 2.77 | 2.68 |
| 2010–14 | 2.75 | 2.82 | 2.73 |
| 2015–19 | 2.45 | 2.78 | 2.71 |
| 2020–24 | 2.55 | 2.76 | 2.65 |
| Change | −0.05 | −0.01 | −0.03 |
Households in Greenwich run a little small, averaging 2.55 people against 2.65 nationally, which usually means more singles and couples and fewer children.
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 Greenwich
| Period | Greenwich | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 46.8 | 39.1 | 37.7 |
| 2010–14 | 47.7 | 40.0 | 38.6 |
| 2015–19 | 48.0 | 41.0 | 39.6 |
| 2020–24 | 49.0 | 40.9 | 40.1 |
| Change | +2.2 | +1.8 | +2.3 |
With a median age of 49.0, Greenwich is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Since 2006–10, the median age has climbed from 46.8, but in a place this small, much of that may be survey noise rather than real change.
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 Greenwich
| Period | Greenwich | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 13.9% | 11.6% | 12.3% |
| 2010–14 | 11.7% | 11.8% | 12.3% |
| 2015–19 | 12.4% | 10.8% | 11.6% |
| 2020–24 | 6.9% | 11.3% | 11.6% |
| Change | −7.0 pts | −0.4 pts | −0.6 pts |
Single parents head only 6.9% of households in Greenwich, well below the national share of 11.6%.
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 Greenwich
Renters in Greenwich
| Period | Greenwich | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 15.3% | 33.1% | 33.3% |
| 2010–14 | 13.7% | 35.0% | 35.6% |
| 2015–19 | 18.2% | 36.1% | 36.0% |
| 2020–24 | 9.1% | 36.2% | 34.8% |
| Change | −6.2 pts | +3.1 pts | +1.5 pts |
Greenwich is overwhelmingly a place of homeowners: only 9.1% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 51.3% have no mortgage at all, well above 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 Greenwich
| Period | Greenwich | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 8.7% | 9.1% | 11.4% |
| 2010–14 | 9.2% | 9.3% | 11.4% |
| 2015–19 | 18.5% | 9.3% | 11.1% |
| 2020–24 | 11.0% | 6.6% | 9.6% |
| Change | +2.3 pts | −2.5 pts | −1.8 pts |
About as many homes sit empty in Greenwich as nationally: 11.0%, against 9.6%. The rate is higher than in New Jersey overall (6.6%).
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 Greenwich
| Period | Greenwich | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 1944 | 1965 | 1974 |
| 2010–14 | 1955 | 1966 | 1975 |
| 2015–19 | 1956 | 1967 | 1977 |
| 2020–24 | 1958 | 1969 | 1980 |
| Change | +14 | +5 | +6 |
Greenwich is a place of older homes: half were built before 1958, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.
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 Greenwich
| Period | Greenwich | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | $1,219 | $1,246 | $965 |
| 2010–14 | $1,422 | $1,324 | $1,040 |
| 2015–19 | $1,138 | $1,522 | $1,213 |
| 2020–24 | $1,061 | $1,896 | $1,571 |
| Change | −$158 | +$651 | +$606 |
Rent in Greenwich runs $1,061 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 28.1% of the typical renter's income, just under 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 Greenwich
Bachelor's degrees in Greenwich
| Period | Greenwich | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 24.1% | 34.7% | 28.4% |
| 2010–14 | 24.5% | 36.4% | 29.6% |
| 2015–19 | 27.7% | 39.6% | 32.1% |
| 2020–24 | 34.0% | 43.4% | 35.6% |
| Change | +9.9 pts | +8.6 pts | +7.2 pts |
About a third of adults 25 and older in Greenwich (34.0%) hold at least a bachelor's degree, close to the national share of 35.6%. The share is lower than in New Jersey overall (43.4%).
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 Greenwich
| Period | Greenwich | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 85.4% | 87.0% | 84.9% |
| 2010–14 | 86.9% | 88.1% | 86.1% |
| 2015–19 | 94.2% | 89.5% | 87.7% |
| 2020–24 | 95.5% | 90.2% | 89.3% |
| Change | +10.1 pts | +3.2 pts | +4.3 pts |
High school completion is high in Greenwich: 95.5% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 Greenwich
| Period | Greenwich | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 10.1% | 7.9% | 8.1% |
| 2010–14 | 12.8% | 9.8% | 9.4% |
| 2015–19 | 9.1% | 5.6% | 5.6% |
| 2020–24 | 5.8% | 6.4% | 5.4% |
| Change | −4.3 pts | −1.5 pts | −2.7 pts |
At 5.8%, unemployment in Greenwich is close to 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).
Greenwich 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Greenwich | 2.55 | 49.0 | 6.9% | 9.1% | 11.0% | 1958 | $1,061 | 34.0% | 95.5% | 5.8% |
| Roadstown | 2.62 | 45.9 | 8.9% | 8.7% | 14.9% | 1973 | $1,292 | 29.9% | 93.0% | 7.7% |
| Brotmanville | 3.39 | 50.8 | 5.8% | 3.1% | 27.0% | 1976 | $964 | 14.6% | 92.7% | 9.7% |
| Sea Breeze | 2.56 | 32.5 | 25.2% | 25.2% | 16.2% | 1956 | $1,577 | 12.4% | 82.9% | 10.9% |
| Shiloh | 3.02 | 41.7 | 4.8% | 8.4% | 3.2% | 1969 | $1,305 | 29.3% | 90.9% | 4.8% |
| Stow Creek Landing | 2.46 | 44.7 | 8.3% | 15.2% | 8.1% | 1965 | $1,389 | 28.9% | 94.0% | 6.2% |
| Bridgeton | 3.09 | 32.1 | 21.6% | 43.6% | 7.7% | 1964 | $1,317 | 13.1% | 75.7% | 6.0% |
| Cohansey | 2.82 | 44.1 | 4.9% | 10.7% | 4.4% | 1973 | $1,192 | 32.1% | 92.8% | 5.4% |
| Woodmere | 2.48 | 45.5 | 6.7% | 22.4% | 3.0% | 1963 | $1,244 | 23.3% | 94.8% | 4.5% |
| Cedarville | 2.53 | 40.8 | 9.8% | 18.2% | 7.8% | 1962 | $1,335 | 18.8% | 88.9% | 6.8% |
| Gouldtown | 3.12 | 34.1 | 17.6% | 10.5% | 7.6% | 1976 | $1,471 | 11.6% | 85.1% | 5.6% |
All figures 2020–24.
Cities with similar populations: Watertown, MA · Leroy, OK · Lexie, MS · Liberty Hill, SC · Lisbon, IL · Little Rock, IA · Little Texas, AL · Littleton, ME · Lost Creek, KY · West Crossett, AR
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 Greenwich. 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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