Population 2,448 · Census ACS 2020–24
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Population and households in ZIP 21917
Household size in ZIP 21917
| Period | ZIP 21917 | Philadelphia area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.08 | 2.64 | 2.68 | 2.68 |
| 2010–14 | 3.00 | 2.68 | 2.73 | 2.73 |
| 2015–19 | 2.81 | 2.65 | 2.74 | 2.71 |
| 2020–24 | 2.71 | 2.57 | 2.68 | 2.65 |
| Change | −0.37 | −0.07 | +0.01 | −0.03 |
At 2.71 people per household, ZIP 21917 sits close to the national average of 2.65. The typical household here is bigger than in the Philadelphia area as a whole, where it has 2.57 people. Since 2006–10, household size has dropped from 3.08, but in a place this small, survey estimates can swing a lot from one release to the next.
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 21917
| Period | ZIP 21917 | Philadelphia area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 36.0 | 38.5 | 38.5 | 37.7 |
| 2010–14 | 41.2 | 39.3 | 39.3 | 38.6 |
| 2015–19 | 42.6 | 40.3 | 40.2 | 39.6 |
| 2020–24 | 41.7 | 40.4 | 40.6 | 40.1 |
| Change | +5.8 | +1.9 | +2.1 | +2.3 |
ZIP 21917 skews a little older than the country: its median age is 41.7, against 40.1 nationally. The Philadelphia area as a whole looks much the same.
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 21917
| Period | ZIP 21917 | Philadelphia area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.0% | 12.2% | 12.5% | 12.3% |
| 2010–14 | 5.0% | 11.8% | 12.6% | 12.3% |
| 2015–19 | 8.3% | 11.7% | 11.7% | 11.6% |
| 2020–24 | 12.2% | 12.1% | 11.7% | 11.6% |
| Change | +0.2 pts | −0.1 pts | −0.9 pts | −0.6 pts |
Single-parent households are about as common in ZIP 21917 as they are nationally: 12.2%, against 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 ZIP 21917
Renters in ZIP 21917
| Period | ZIP 21917 | Philadelphia area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 21.6% | 30.2% | 31.0% | 33.3% |
| 2010–14 | 20.8% | 32.1% | 32.9% | 35.6% |
| 2015–19 | 16.4% | 32.7% | 33.1% | 36.0% |
| 2020–24 | 11.9% | 33.2% | 32.4% | 34.8% |
| Change | −9.7 pts | +3.0 pts | +1.4 pts | +1.5 pts |
Only 11.9% of households in ZIP 21917 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 38.5% have no mortgage at all, about the same as 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 ZIP 21917
| Period | ZIP 21917 | Philadelphia area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.4% | 9.1% | 9.0% | 11.4% |
| 2010–14 | 10.5% | 9.2% | 8.9% | 11.4% |
| 2015–19 | 6.5% | 9.0% | 8.9% | 11.1% |
| 2020–24 | 7.9% | 6.9% | 7.1% | 9.6% |
| Change | +2.5 pts | −2.2 pts | −1.9 pts | −1.8 pts |
Fewer homes sit empty in ZIP 21917 than nationally: 7.9%, against 9.6% for the U.S. The picture is much the same across the Philadelphia area.
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 21917
| Period | ZIP 21917 | Philadelphia area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 1978 | 1964 | 1974 | 1974 |
| 2010–14 | 1980 | 1965 | 1975 | 1975 |
| 2015–19 | 1980 | 1965 | 1976 | 1977 |
| 2020–24 | 1978 | 1968 | 1978 | 1980 |
| Change | +0 | +4 | +4 | +6 |
The typical home in ZIP 21917 was built around 1978, about the same vintage as the country's housing overall (1980). Homes here are newer than in the wider Philadelphia area, where the median home dates to 1968.
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 21917
| Period | ZIP 21917 | Philadelphia area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | $883 | $1,049 | $1,249 | $965 |
| 2010–14 | $946 | $1,147 | $1,363 | $1,040 |
| 2015–19 | $1,373 | $1,281 | $1,576 | $1,213 |
| 2020–24 | $1,277 | $1,631 | $1,869 | $1,571 |
| Change | +$394 | +$582 | +$620 | +$606 |
Rent in ZIP 21917 runs $1,277 a month at the median, utilities included, below the U.S. median of $1,571. The typical renter here spends 29.9% 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 ZIP 21917
Bachelor's degrees in ZIP 21917
| Period | ZIP 21917 | Philadelphia area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 20.2% | 32.7% | 36.3% | 28.4% |
| 2010–14 | 20.3% | 34.4% | 37.7% | 29.6% |
| 2015–19 | 27.0% | 37.9% | 40.5% | 32.1% |
| 2020–24 | 23.1% | 42.3% | 43.4% | 35.6% |
| Change | +2.9 pts | +9.6 pts | +7.1 pts | +7.2 pts |
College degrees are relatively uncommon in ZIP 21917: 23.1% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%.
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 21917
| Period | ZIP 21917 | Philadelphia area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 89.6% | 87.5% | 88.0% | 84.9% |
| 2010–14 | 93.9% | 88.9% | 89.1% | 86.1% |
| 2015–19 | 89.0% | 90.5% | 90.2% | 87.7% |
| 2020–24 | 86.4% | 91.9% | 90.9% | 89.3% |
| Change | −3.2 pts | +4.4 pts | +2.9 pts | +4.3 pts |
Nearly one in seven adults in ZIP 21917 never finished high school, a bit more than nationally: 86.4% have a diploma or equivalent, against 89.3% across the U.S.
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 21917
| Period | ZIP 21917 | Philadelphia area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.0% | 8.4% | 6.5% | 8.1% |
| 2010–14 | 5.0% | 10.2% | 8.1% | 9.4% |
| 2015–19 | 6.0% | 6.3% | 5.1% | 5.6% |
| 2020–24 | 3.9% | 6.1% | 5.0% | 5.4% |
| Change | −2.1 pts | −2.3 pts | −1.5 pts | −2.7 pts |
Unemployment in ZIP 21917 runs below the national rate: 3.9% of the labor force was out of work and looking, against 5.4% nationally. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's 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 21917 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 21917 | 2.71 | 41.7 | 12.2% | 11.9% | 7.9% | 1978 | $1,277 | 23.1% | 86.4% | 3.9% |
| ZIP 21911 | 2.78 | 41.9 | 11.0% | 19.0% | 4.3% | 1986 | $1,271 | 24.1% | 90.0% | 5.4% |
| ZIP 21904 | 2.62 | 42.3 | 10.1% | 10.8% | 10.4% | 1986 | $1,432 | 23.3% | 92.6% | 7.4% |
| ZIP 21918 | 2.34 | 47.1 | 10.2% | 12.8% | 2.0% | 1989 | $1,071 | 20.1% | 88.6% | 5.5% |
| ZIP 19362 | 2.82 | 40.1 | 3.7% | 13.9% | 4.2% | 1987 | $1,242 | 22.9% | 84.0% | 4.3% |
| ZIP 21903 | 2.37 | 45.1 | 7.3% | 26.9% | 3.5% | 1980 | $1,060 | 19.8% | 92.3% | 9.1% |
| ZIP 21034 | 2.55 | 42.3 | 6.5% | 12.9% | 4.7% | 1974 | $1,069 | 23.1% | 89.4% | 0.4% |
| ZIP 17563 | 3.48 | 31.4 | 11.3% | 20.7% | 3.7% | 1978 | $1,425 | 9.4% | 71.2% | 3.5% |
| ZIP 21902 | 1.81 | 57.9 | 6.9% | 53.9% | 8.5% | 1986 | $799 | 18.9% | 88.4% | 8.3% |
| ZIP 21078 | 2.49 | 46.2 | 9.6% | 24.0% | 5.8% | 1985 | $1,649 | 41.5% | 93.9% | 3.9% |
| ZIP 21901 | 2.56 | 39.9 | 13.3% | 26.8% | 7.1% | 1993 | $1,518 | 34.1% | 92.6% | 5.6% |
All figures 2020–24.
Zip codes with similar populations: 17321, PA · 68849, NE · 43749, OH · 48419, MI · 49034, MI · 49766, MI · 56750, MN · 57744, SD · 58341, ND · 59872, MT
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 21917. 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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