Population 52,981 · Census ACS 2020–24
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Population and households in New Castle
Household size in New Castle
| Period | New Castle | Philadelphia area | Delaware | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.77 | 2.64 | 2.63 | 2.68 |
| 2010–14 | 2.86 | 2.68 | 2.68 | 2.73 |
| 2015–19 | 2.77 | 2.65 | 2.62 | 2.71 |
| 2020–24 | 2.69 | 2.57 | 2.58 | 2.65 |
| Change | −0.08 | −0.07 | −0.05 | −0.03 |
Households in New Castle average 2.69 people, about the same as the country as a whole (2.65). The typical household here is bigger than in the Philadelphia area overall, where it has 2.57 people. Household size has edged down from 2.77 in 2006–10, as it has nationally.
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 New Castle
| Period | New Castle | Philadelphia area | Delaware | U.S. |
|---|---|---|---|---|
| 2006–10 | 37.1 | 38.5 | 39.4 | 37.7 |
| 2010–14 | 37.5 | 39.3 | 40.5 | 38.6 |
| 2015–19 | 39.9 | 40.3 | 41.8 | 39.6 |
| 2020–24 | 39.8 | 40.4 | 43.0 | 40.1 |
| Change | +2.6 | +1.9 | +3.6 | +2.3 |
Half of the people in New Castle are younger than 39.8 and half are older, close to the national median of 40.1. Since 2006–10, the median age has climbed from 37.1, mirroring the country.
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 New Castle
| Period | New Castle | Philadelphia area | Delaware | U.S. |
|---|---|---|---|---|
| 2006–10 | 20.1% | 12.2% | 12.9% | 12.3% |
| 2010–14 | 18.8% | 11.8% | 12.4% | 12.3% |
| 2015–19 | 12.8% | 11.7% | 11.2% | 11.6% |
| 2020–24 | 15.4% | 12.1% | 12.3% | 11.6% |
| Change | −4.7 pts | −0.1 pts | −0.6 pts | −0.6 pts |
Single parents head just over one in seven households in New Castle (15.4%), well above the national share of 11.6%. The single-parent share is down 4.7 points from 2006–10, a much bigger shift than nationally. New Castle has a higher share of single-parent households than at least four in five Delaware cities.
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 New Castle
Renters in New Castle
| Period | New Castle | Philadelphia area | Delaware | U.S. |
|---|---|---|---|---|
| 2006–10 | 31.1% | 30.2% | 26.4% | 33.3% |
| 2010–14 | 32.7% | 32.1% | 28.4% | 35.6% |
| 2015–19 | 33.0% | 32.7% | 28.8% | 36.0% |
| 2020–24 | 35.6% | 33.2% | 27.0% | 34.8% |
| Change | +4.5 pts | +3.0 pts | +0.6 pts | +1.5 pts |
Renting in New Castle is about as common as it is nationally: 35.6% of households rent, against 34.8%. More than a quarter of owners (27.7%) 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 northeast. Since 2006–10, the renter share has risen 4.5 points, a much bigger shift than nationally.
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 New Castle
| Period | New Castle | Philadelphia area | Delaware | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.4% | 9.1% | 12.8% | 11.4% |
| 2010–14 | 8.4% | 9.2% | 13.0% | 11.4% |
| 2015–19 | 7.7% | 9.0% | 11.7% | 11.1% |
| 2020–24 | 6.0% | 6.9% | 9.6% | 9.6% |
| Change | −1.4 pts | −2.2 pts | −3.3 pts | −1.8 pts |
Vacancy is on the low side in New Castle: 6.0% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. That is in line with the rest of the Philadelphia area. Vacancy has edged down 1.4 points since 2006–10, mirroring the country.
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 New Castle
| Period | New Castle | Philadelphia area | Delaware | U.S. |
|---|---|---|---|---|
| 2006–10 | 1972 | 1964 | 1979 | 1974 |
| 2010–14 | 1972 | 1965 | 1980 | 1975 |
| 2015–19 | 1971 | 1965 | 1982 | 1977 |
| 2020–24 | 1973 | 1968 | 1984 | 1980 |
| Change | +1 | +4 | +6 | +6 |
Homes in New Castle run older than the national norm, with a median build year of 1973 against 1980. Still, homes here are newer than in the Philadelphia area as a whole, where the median home dates to 1968. The newest homes are mostly in the southwest, the oldest in the northeast.
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 New Castle
| Period | New Castle | Philadelphia area | Delaware | U.S. |
|---|---|---|---|---|
| 2006–10 | $949 | $1,049 | $1,037 | $965 |
| 2010–14 | $1,048 | $1,147 | $1,109 | $1,040 |
| 2015–19 | $1,178 | $1,281 | $1,228 | $1,213 |
| 2020–24 | $1,433 | $1,631 | $1,514 | $1,571 |
| Change | +$484 | +$582 | +$477 | +$606 |
The median renter in New Castle pays $1,433 a month for rent and utilities, below the national median of $1,571. Rent has climbed $484 a month since 2006–10, up 51%, a slower climb than the nation's. The typical renter here spends 33.5% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Renters on a budget will find the lowest rents in the west; the highest are in the east.
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 New Castle
Bachelor's degrees in New Castle
| Period | New Castle | Philadelphia area | Delaware | U.S. |
|---|---|---|---|---|
| 2006–10 | 18.0% | 32.7% | 27.4% | 28.4% |
| 2010–14 | 18.0% | 34.4% | 29.2% | 29.6% |
| 2015–19 | 21.6% | 37.9% | 31.9% | 32.1% |
| 2020–24 | 23.9% | 42.3% | 35.5% | 35.6% |
| Change | +5.9 pts | +9.6 pts | +8.0 pts | +7.2 pts |
College degrees are relatively uncommon in New Castle: 23.9% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree has risen 5.9 points since 2006–10, as it has nationally. College graduates are most concentrated in the south and least in the northeast.
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 New Castle
| Period | New Castle | Philadelphia area | Delaware | U.S. |
|---|---|---|---|---|
| 2006–10 | 82.0% | 87.5% | 87.2% | 84.9% |
| 2010–14 | 85.6% | 88.9% | 88.1% | 86.1% |
| 2015–19 | 89.4% | 90.5% | 90.0% | 87.7% |
| 2020–24 | 90.4% | 91.9% | 91.5% | 89.3% |
| Change | +8.4 pts | +4.4 pts | +4.4 pts | +4.3 pts |
About as many adults in New Castle have finished high school as nationally: 90.4%, against 89.3%. The share with a diploma is up 8.4 points from 2006–10, as it has nationally.
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 New Castle
| Period | New Castle | Philadelphia area | Delaware | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.7% | 8.4% | 7.2% | 8.1% |
| 2010–14 | 10.5% | 10.2% | 8.5% | 9.4% |
| 2015–19 | 6.5% | 6.3% | 5.4% | 5.6% |
| 2020–24 | 4.3% | 6.1% | 5.1% | 5.4% |
| Change | −5.4 pts | −2.3 pts | −2.1 pts | −2.7 pts |
Jobs have been a little easier to find in New Castle than nationally: unemployment was 4.3%, against 5.4%. Unemployment has fallen 5.4 points since 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).
New Castle 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| New Castle | 2.69 | 39.8 | 15.4% | 35.6% | 6.0% | 1973 | $1,433 | 23.9% | 90.4% | 4.3% |
| Wilmington Manor | 2.50 | 46.2 | 8.8% | 23.0% | 5.4% | 1959 | $1,229 | 21.9% | 81.2% | 3.1% |
| Newport | 2.57 | 35.8 | 19.8% | 42.4% | 4.1% | 1959 | $1,043 | 18.4% | 86.8% | 4.8% |
| Pennsville | 2.45 | 40.3 | 13.8% | 19.2% | 11.8% | 1964 | $989 | 23.3% | 94.4% | 12.3% |
| Elsmere | 2.77 | 36.0 | 17.9% | 32.5% | 3.4% | 1955 | $1,331 | 16.5% | 79.0% | 5.6% |
| Deepwater | 2.61 | 43.4 | 5.6% | 22.6% | 10.4% | 1958 | $1,404 | 17.1% | 89.3% | 4.4% |
| Brookside | 2.58 | 35.6 | 14.7% | 40.1% | 5.6% | 1969 | $1,464 | 30.6% | 92.2% | 6.5% |
| Mahoneyville | 2.41 | 41.3 | 9.5% | 32.2% | 6.8% | 1963 | $1,320 | 16.1% | 96.8% | 12.1% |
| Newark | 2.62 | 37.7 | 10.8% | 39.0% | 7.8% | 1984 | $1,657 | 45.2% | 93.7% | 4.5% |
| Delaware City | 2.65 | 39.7 | 8.9% | 25.1% | 4.2% | 1962 | $1,406 | 24.0% | 92.2% | 7.1% |
| Bear | 2.66 | 42.4 | 11.1% | 20.5% | 4.0% | 1996 | $1,817 | 38.0% | 93.3% | 5.0% |
All figures 2020–24.
Cities with similar populations: Spring Valley, NY · Lakewood, OH · Lincoln, CA · Lombard, IL · Morristown, TN · Princeton, NJ · Sevierville, TN · Sherman Oaks, CA · Southaven, MS · Spanaway, WA
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 New Castle. 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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