Population 35,458 · Census ACS 2020–24
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Population and households in ZIP 19966
Household size in ZIP 19966
| Period | ZIP 19966 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 2.40 | 2.63 | 2.68 |
| 2010–14 | 2.50 | 2.68 | 2.73 |
| 2015–19 | 2.40 | 2.62 | 2.71 |
| 2020–24 | 2.35 | 2.58 | 2.65 |
| Change | −0.06 | −0.05 | −0.03 |
ZIP 19966 is a place of small households, averaging 2.35 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has edged down from 2.40, in line with the national trend. The biggest households, usually families with children, are concentrated in the southwest.
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 19966
| Period | ZIP 19966 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 48.0 | 39.4 | 37.7 |
| 2010–14 | 47.3 | 40.5 | 38.6 |
| 2015–19 | 50.4 | 41.8 | 39.6 |
| 2020–24 | 49.4 | 43.0 | 40.1 |
| Change | +1.3 | +3.6 | +2.3 |
With a median age of 49.4, ZIP 19966 is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. The median age has climbed from 48.0 in 2006–10, mirroring the country. Residents skew youngest in the south and oldest in the east.
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 19966
| Period | ZIP 19966 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 8.9% | 12.9% | 12.3% |
| 2010–14 | 14.1% | 12.4% | 12.3% |
| 2015–19 | 11.2% | 11.2% | 11.6% |
| 2020–24 | 11.3% | 12.3% | 11.6% |
| Change | +2.4 pts | −0.6 pts | −0.6 pts |
Single parents head nearly one in eight households in ZIP 19966 (11.3%), close to the national share of 11.6%. Single parents are less common here than in Delaware as a whole (12.3%). Since 2006–10, the single-parent share has risen 2.4 points, even as the national share fell.
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 19966
Renters in ZIP 19966
| Period | ZIP 19966 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 18.2% | 26.4% | 33.3% |
| 2010–14 | 22.3% | 28.4% | 35.6% |
| 2015–19 | 17.2% | 28.8% | 36.0% |
| 2020–24 | 17.7% | 27.0% | 34.8% |
| Change | −0.5 pts | +0.6 pts | +1.5 pts |
Only 17.7% of households in ZIP 19966 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 41.1% have no mortgage at all, about the same as nationally. Renting is most common in the south and least common in the east. Since 2006–10, the renter share has edged down 0.5 points, 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 19966
| Period | ZIP 19966 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 28.7% | 12.8% | 11.4% |
| 2010–14 | 29.4% | 13.0% | 11.4% |
| 2015–19 | 25.4% | 11.7% | 11.1% |
| 2020–24 | 18.3% | 9.6% | 9.6% |
| Change | −10.4 pts | −3.3 pts | −1.8 pts |
Vacancy is high in ZIP 19966: 18.3% 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. Vacancy is down 10.4 points from 2006–10, a much bigger shift than nationally.
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 19966
| Period | ZIP 19966 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 1991 | 1979 | 1974 |
| 2010–14 | 1994 | 1980 | 1975 |
| 2015–19 | 1998 | 1982 | 1977 |
| 2020–24 | 2002 | 1984 | 1980 |
| Change | +11 | +6 | +6 |
Much of the housing in ZIP 19966 is relatively new: half of its homes were built after 2002, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1991 in 2006–10, a sign of steady new building. ZIP 19966 has newer homes than the great majority of Delaware ZIP codes.
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 19966
| Period | ZIP 19966 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | $968 | $1,037 | $965 |
| 2010–14 | $997 | $1,109 | $1,040 |
| 2015–19 | $1,064 | $1,228 | $1,213 |
| 2020–24 | $1,565 | $1,514 | $1,571 |
| Change | +$597 | +$477 | +$606 |
A typical rental in ZIP 19966 costs $1,565 a month with utilities, close to the national median of $1,571. Rents are up $597 a month from 2006–10, a 62% jump, roughly in step with the nation. Rent takes 33.4% of the typical renter's income, 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 south; the highest are in the center.
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 19966
Bachelor's degrees in ZIP 19966
| Period | ZIP 19966 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 16.4% | 27.4% | 28.4% |
| 2010–14 | 13.9% | 29.2% | 29.6% |
| 2015–19 | 22.3% | 31.9% | 32.1% |
| 2020–24 | 26.6% | 35.5% | 35.6% |
| Change | +10.2 pts | +8.0 pts | +7.2 pts |
Just over a quarter of adults 25 and older in ZIP 19966 (26.6%) have a bachelor's degree or higher, below the national share of 35.6%. Since 2006–10, the share with a degree has risen 10.2 points, 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 ZIP 19966
| Period | ZIP 19966 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 84.2% | 87.2% | 84.9% |
| 2010–14 | 84.6% | 88.1% | 86.1% |
| 2015–19 | 87.3% | 90.0% | 87.7% |
| 2020–24 | 90.4% | 91.5% | 89.3% |
| Change | +6.2 pts | +4.4 pts | +4.3 pts |
High school completion in ZIP 19966 is close to the national rate: 90.4% of adults have a diploma or equivalent, against 89.3%. The share with a diploma has risen 6.2 points since 2006–10, mirroring the country.
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 19966
| Period | ZIP 19966 | Delaware | U.S. |
|---|---|---|---|
| 2006–10 | 9.0% | 7.2% | 8.1% |
| 2010–14 | 10.6% | 8.5% | 9.4% |
| 2015–19 | 5.2% | 5.4% | 5.6% |
| 2020–24 | 5.1% | 5.1% | 5.4% |
| Change | −3.8 pts | −2.1 pts | −2.7 pts |
Unemployment in ZIP 19966 is close to the national rate: 5.1% of the labor force, against 5.4%. Since 2006–10, unemployment has fallen 3.8 points, 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).
ZIP 19966 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 19966 | 2.35 | 49.4 | 11.3% | 17.7% | 18.3% | 2002 | $1,565 | 26.6% | 90.4% | 5.1% |
| ZIP 19939 | 2.42 | 53.9 | 6.7% | 10.3% | 17.1% | 1997 | $1,636 | 35.3% | 90.3% | 2.5% |
| ZIP 19951 | 2.29 | 57.3 | 2.9% | 5.1% | 12.8% | 2008 | $2,022 | 41.2% | 92.4% | 7.4% |
| ZIP 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 19947 | 2.99 | 38.7 | 12.0% | 29.0% | 8.8% | 1994 | $1,384 | 19.5% | 76.6% | 3.0% |
| ZIP 19958 | 2.10 | 61.5 | 3.8% | 15.6% | 20.9% | 2002 | $1,594 | 48.5% | 96.1% | 3.6% |
| ZIP 19971 | 2.00 | 58.8 | 4.6% | 12.2% | 45.1% | 1998 | $1,712 | 53.7% | 95.9% | 7.4% |
| ZIP 19930 | 1.94 | 67.1 | 1.2% | 2.5% | 77.3% | 1991 | $1,306 | 68.8% | 99.3% | 2.5% |
| ZIP 19968 | 2.43 | 52.8 | 7.9% | 13.3% | 16.6% | 2004 | $1,822 | 43.1% | 93.8% | 6.1% |
All figures 2020–24.
Zip codes with similar populations: 29576, SC · 49417, MI · 75241, TX · 43082, OH · 97086, OR · 95829, CA · 88012, NM · 88011, NM · 84414, UT · 76140, TX
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 19966. 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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