Population 7,325 · Census ACS 2020–24
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Population and households in ZIP 19939
Household size in ZIP 19939
| Period | ZIP 19939 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 2.67 | 2.63 | 2.68 |
| 2010–14 | 2.56 | 2.68 | 2.73 |
| 2015–19 | 2.74 | 2.62 | 2.71 |
| 2020–24 | 2.42 | 2.58 | 2.65 |
| Change | −0.25 | −0.05 | −0.03 |
The average household in ZIP 19939 has 2.42 people, under the U.S. average of 2.65. Household size has dropped from 2.67 in 2006–10, a much bigger shift than nationally. Households are largest in the south and smallest in the east.
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 19939
| Period | ZIP 19939 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 45.5 | 39.4 | 37.7 |
| 2010–14 | 48.0 | 40.5 | 38.6 |
| 2015–19 | 51.4 | 41.8 | 39.6 |
| 2020–24 | 53.9 | 43.0 | 40.1 |
| Change | +8.4 | +3.6 | +2.3 |
With a median age of 53.9, ZIP 19939 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 45.5, a much bigger shift than nationally. Residents skew youngest in the southwest and oldest in the center.
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 19939
| Period | ZIP 19939 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 10.4% | 12.9% | 12.3% |
| 2010–14 | 14.1% | 12.4% | 12.3% |
| 2015–19 | 8.8% | 11.2% | 11.6% |
| 2020–24 | 6.7% | 12.3% | 11.6% |
| Change | −3.8 pts | −0.6 pts | −0.6 pts |
Single parents head only 6.7% of households in ZIP 19939, well below the national share of 11.6%. The single-parent share is down 3.8 points from 2006–10, a much bigger shift than nationally. ZIP 19939 has a lower share of single-parent households than the great majority of Delaware ZIP codes.
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 19939
Renters in ZIP 19939
| Period | ZIP 19939 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 17.9% | 26.4% | 33.3% |
| 2010–14 | 18.4% | 28.4% | 35.6% |
| 2015–19 | 13.5% | 28.8% | 36.0% |
| 2020–24 | 10.3% | 27.0% | 34.8% |
| Change | −7.6 pts | +0.6 pts | +1.5 pts |
ZIP 19939 is overwhelmingly a place of homeowners: only 10.3% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 38.9% have no mortgage at all, about the same as nationally. The renter share is down 7.6 points from 2006–10, even as the national share rose.
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 19939
| Period | ZIP 19939 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 15.4% | 12.8% | 11.4% |
| 2010–14 | 25.2% | 13.0% | 11.4% |
| 2015–19 | 28.7% | 11.7% | 11.1% |
| 2020–24 | 17.1% | 9.6% | 9.6% |
| Change | +1.7 pts | −3.3 pts | −1.8 pts |
Vacancy is high in ZIP 19939: 17.1% of homes are empty, 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. Since 2006–10, vacancy has risen 1.7 points, even as the national rate fell.
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 19939
| Period | ZIP 19939 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 1984 | 1979 | 1974 |
| 2010–14 | 1991 | 1980 | 1975 |
| 2015–19 | 1996 | 1982 | 1977 |
| 2020–24 | 1997 | 1984 | 1980 |
| Change | +14 | +6 | +6 |
Much of the housing in ZIP 19939 is relatively new: half of its homes were built after 1997, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1984 in 2006–10, a sign of steady new building. Newer construction is concentrated in the northeast, while the southwest has the oldest housing.
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 19939
| Period | ZIP 19939 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | $927 | $1,037 | $965 |
| 2010–14 | $1,113 | $1,109 | $1,040 |
| 2015–19 | $1,115 | $1,228 | $1,213 |
| 2020–24 | $1,636 | $1,514 | $1,571 |
| Change | +$709 | +$477 | +$606 |
Rent in ZIP 19939 runs $1,636 a month at the median, utilities included, close to the U.S. median of $1,571. Rents here are higher than in Delaware as a whole ($1,514). Rents are up $709 a month from 2006–10, a 77% jump, faster than rents rose nationally. Rent takes 24.5% of the typical renter's income, comfortably 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 ZIP 19939
Bachelor's degrees in ZIP 19939
| Period | ZIP 19939 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 18.3% | 27.4% | 28.4% |
| 2010–14 | 24.6% | 29.2% | 29.6% |
| 2015–19 | 26.0% | 31.9% | 32.1% |
| 2020–24 | 35.3% | 35.5% | 35.6% |
| Change | +17.0 pts | +8.0 pts | +7.2 pts |
College degrees are about as common in ZIP 19939 as nationally: 35.3% of adults 25 and older have a bachelor's or higher, against 35.6%. The share with a degree is up 17.0 points from 2006–10, mirroring the country. College graduates are most concentrated in the northeast and least in the southwest.
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 19939
| Period | ZIP 19939 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 85.6% | 87.2% | 84.9% |
| 2010–14 | 91.4% | 88.1% | 86.1% |
| 2015–19 | 91.0% | 90.0% | 87.7% |
| 2020–24 | 90.3% | 91.5% | 89.3% |
| Change | +4.7 pts | +4.4 pts | +4.3 pts |
High school completion in ZIP 19939 is close to the national rate: 90.3% of adults have a diploma or equivalent, against 89.3%. The share with a diploma is up 4.7 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 ZIP 19939
| Period | ZIP 19939 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 11.2% | 7.2% | 8.1% |
| 2010–14 | 9.6% | 8.5% | 9.4% |
| 2015–19 | 4.9% | 5.4% | 5.6% |
| 2020–24 | 2.5% | 5.1% | 5.4% |
| Change | −8.7 pts | −2.1 pts | −2.7 pts |
The job market in ZIP 19939 has been strong: just 2.5% of the labor force was out of work and looking, well below the national rate of 5.4%. Unemployment is down 8.7 points from 2006–10, a much bigger shift than 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 19939 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 19939 | 2.42 | 53.9 | 6.7% | 10.3% | 17.1% | 1997 | $1,636 | 35.3% | 90.3% | 2.5% |
| ZIP 19966 | 2.35 | 49.4 | 11.3% | 17.7% | 18.3% | 2002 | $1,565 | 26.6% | 90.4% | 5.1% |
| ZIP 19945 | 2.43 | 54.5 | 7.8% | 13.9% | 25.5% | 1999 | $1,358 | 30.8% | 90.2% | 5.9% |
| ZIP 19967 | 1.96 | 66.1 | 2.3% | 6.2% | 35.5% | 2013 | $1,798 | 44.1% | 97.6% | 4.2% |
| ZIP 19970 | 2.11 | 63.3 | 4.4% | 8.1% | 49.4% | 2005 | $1,479 | 48.3% | 95.7% | 2.3% |
| ZIP 19975 | 2.22 | 58.0 | 6.3% | 10.6% | 31.1% | 2000 | $1,127 | 36.7% | 91.3% | 5.6% |
| ZIP 19930 | 1.94 | 67.1 | 1.2% | 2.5% | 77.3% | 1991 | $1,306 | 68.8% | 99.3% | 2.5% |
| ZIP 19951 | 2.29 | 57.3 | 2.9% | 5.1% | 12.8% | 2008 | $2,022 | 41.2% | 92.4% | 7.4% |
| ZIP 21813 | 2.35 | 51.9 | 5.1% | 18.1% | 15.4% | 1992 | $1,151 | 26.5% | 93.5% | 4.3% |
| ZIP 19944 | 2.13 | 69.1 | 0.4% | 8.8% | 80.3% | 1986 | $1,386 | 56.2% | 87.9% | 3.2% |
| ZIP 21872 | 2.22 | 49.1 | 5.6% | 13.9% | 22.0% | 1991 | $1,125 | 36.4% | 87.6% | 0.6% |
All figures 2020–24.
Zip codes with similar populations: 75140, TX · 25276, WV · 27258, NC · 27371, NC · 27505, NC · 27882, NC · 28371, NC · 30176, GA · 30817, GA · 31554, GA
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 19939. 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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