Population 561 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Sullivan
Household size in Sullivan
| Period | Sullivan | New Hampshire | U.S. |
|---|---|---|---|
| 2006–10 | 2.54 | 2.52 | 2.68 |
| 2010–14 | 2.50 | 2.50 | 2.73 |
| 2015–19 | 2.60 | 2.49 | 2.71 |
| 2020–24 | 2.59 | 2.51 | 2.65 |
| Change | +0.05 | −0.01 | −0.03 |
At 2.59 people per household, Sullivan sits close to the national average of 2.65. The typical household here is bigger than in New Hampshire as a whole, where it has 2.51 people.
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 Sullivan
| Period | Sullivan | New Hampshire | U.S. |
|---|---|---|---|
| 2006–10 | 42.9 | 40.6 | 37.7 |
| 2010–14 | 45.3 | 42.1 | 38.6 |
| 2015–19 | 45.2 | 43.3 | 39.6 |
| 2020–24 | 43.9 | 44.2 | 40.1 |
| Change | +1.0 | +3.5 | +2.3 |
Sullivan skews older than the country: its median age is 43.9, against 40.1 nationally. That is in line with the rest of New Hampshire. Since 2006–10, the median age has climbed from 42.9, 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 Sullivan
| Period | Sullivan | New Hampshire | U.S. |
|---|---|---|---|
| 2006–10 | 14.8% | 9.4% | 12.3% |
| 2010–14 | 10.1% | 9.5% | 12.3% |
| 2015–19 | 7.1% | 8.9% | 11.6% |
| 2020–24 | 5.9% | 8.5% | 11.6% |
| Change | −9.0 pts | −0.9 pts | −0.6 pts |
Single parents head only 5.9% of households in Sullivan, 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 Sullivan
Renters in Sullivan
| Period | Sullivan | New Hampshire | U.S. |
|---|---|---|---|
| 2006–10 | 18.6% | 27.4% | 33.3% |
| 2010–14 | 21.0% | 29.0% | 35.6% |
| 2015–19 | 13.8% | 28.9% | 36.0% |
| 2020–24 | 7.4% | 27.2% | 34.8% |
| Change | −11.2 pts | −0.1 pts | +1.5 pts |
Sullivan is overwhelmingly a place of homeowners: only 7.4% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 50.1% 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 Sullivan
| Period | Sullivan | New Hampshire | U.S. |
|---|---|---|---|
| 2006–10 | 21.8% | 12.6% | 11.4% |
| 2010–14 | 24.2% | 12.5% | 11.4% |
| 2015–19 | 30.1% | 12.7% | 11.1% |
| 2020–24 | 19.3% | 11.7% | 9.6% |
| Change | −2.6 pts | −0.9 pts | −1.8 pts |
Vacant homes make up 19.3% of the housing in Sullivan, 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 Sullivan
| Period | Sullivan | New Hampshire | U.S. |
|---|---|---|---|
| 2006–10 | 1975 | 1971 | 1974 |
| 2010–14 | 1978 | 1972 | 1975 |
| 2015–19 | 1974 | 1973 | 1977 |
| 2020–24 | 1976 | 1976 | 1980 |
| Change | +1 | +5 | +6 |
The typical home in Sullivan was built around 1976, about the same vintage as the country's housing overall (1980).
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 Sullivan
| Period | Sullivan | New Hampshire | U.S. |
|---|---|---|---|
| 2006–10 | $973 | $1,018 | $965 |
| 2010–14 | $963 | $1,094 | $1,040 |
| 2015–19 | $1,078 | $1,224 | $1,213 |
| 2020–24 | $1,263 | $1,597 | $1,571 |
| Change | +$290 | +$580 | +$606 |
The median renter in Sullivan pays $1,263 a month for rent and utilities, below the national median of $1,571. Rent takes 27.0% 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 Sullivan
Bachelor's degrees in Sullivan
| Period | Sullivan | New Hampshire | U.S. |
|---|---|---|---|
| 2006–10 | 33.4% | 33.5% | 28.4% |
| 2010–14 | 39.3% | 35.0% | 29.6% |
| 2015–19 | 38.1% | 37.6% | 32.1% |
| 2020–24 | 41.4% | 41.1% | 35.6% |
| Change | +8.0 pts | +7.6 pts | +7.2 pts |
College degrees are a bit more common in Sullivan than nationally: 41.4% of adults 25 and older have a bachelor's or higher, against 35.6%. That is in line with the rest of New Hampshire.
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 Sullivan
| Period | Sullivan | New Hampshire | U.S. |
|---|---|---|---|
| 2006–10 | 92.7% | 91.0% | 84.9% |
| 2010–14 | 93.0% | 92.0% | 86.1% |
| 2015–19 | 94.7% | 93.1% | 87.7% |
| 2020–24 | 92.0% | 94.5% | 89.3% |
| Change | −0.7 pts | +3.5 pts | +4.3 pts |
About nine in ten adults in Sullivan have finished high school (92.0%), a bit above the national rate of 89.3%. Even so, the rate is lower than in New Hampshire as a whole (94.5%).
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 Sullivan
| Period | Sullivan | New Hampshire | U.S. |
|---|---|---|---|
| 2006–10 | 4.3% | 5.9% | 8.1% |
| 2010–14 | 5.4% | 6.6% | 9.4% |
| 2015–19 | 2.6% | 3.6% | 5.6% |
| 2020–24 | 2.6% | 3.4% | 5.4% |
| Change | −1.8 pts | −2.5 pts | −2.7 pts |
The job market in Sullivan has been strong: just 2.6% 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).
Sullivan 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Sullivan | 2.59 | 43.9 | 5.9% | 7.4% | 19.3% | 1976 | $1,263 | 41.4% | 92.0% | 2.6% |
| Munsonville | 2.55 | 48.5 | 6.4% | 7.0% | 34.3% | 1975 | $1,197 | 40.9% | 94.2% | 2.9% |
| Nelson | 2.54 | 46.5 | 5.3% | 7.1% | 22.8% | 1974 | $1,323 | 43.7% | 92.8% | 2.7% |
| Gilsum | 2.68 | 45.4 | 4.7% | 8.3% | 11.1% | 1975 | $1,669 | 28.1% | 95.3% | 4.5% |
| Keene | 2.23 | 41.2 | 10.8% | 44.2% | 11.8% | 1960 | $1,528 | 43.2% | 94.2% | 1.9% |
| Surry | 2.65 | 46.2 | 5.9% | 7.8% | 9.0% | 1976 | $1,795 | 29.5% | 95.2% | 3.9% |
| Marlborough | 2.26 | 46.5 | 9.1% | 31.5% | 9.9% | 1962 | $1,176 | 38.8% | 94.8% | 0.6% |
| South Stoddard | 2.50 | 51.9 | 7.5% | 10.2% | 39.1% | 1977 | $1,042 | 40.0% | 95.7% | 2.4% |
| Harrisville | 2.36 | 56.7 | 2.8% | 8.3% | 34.8% | 1966 | $1,530 | 53.0% | 96.8% | 2.6% |
| North Swanzey | 2.63 | 43.2 | 6.3% | 16.1% | 10.6% | 1985 | $1,181 | 35.8% | 95.8% | 1.6% |
| Stoddard | 2.58 | 53.0 | 8.9% | 6.7% | 60.6% | 1978 | $895 | 34.1% | 97.4% | 3.6% |
All figures 2020–24.
Cities with similar populations: Hardwick, MN · South Plymouth, NY · South Colton, NY · Snellman, MN · Heberlig, PA · Haywood, AL · Hayden, AZ · Harrisonville, OH · Harris, RI · Harmonsburg, PA
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 Sullivan. 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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