Population 4,934 · Census ACS 2020–24
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Population and households in ZIP 21746
Household size in ZIP 21746
| Period | ZIP 21746 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 2.52 | 2.68 | 2.68 |
| 2010–14 | 2.52 | 2.73 | 2.73 |
| 2015–19 | 2.52 | 2.74 | 2.71 |
| 2020–24 | 2.48 | 2.68 | 2.65 |
| Change | −0.04 | +0.01 | −0.03 |
Households in ZIP 21746 run small, averaging 2.48 people against 2.65 nationally, which usually means more singles and couples and fewer children. Compared with other Maryland ZIP codes, ZIP 21746 has smaller households than most.
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 21746
| Period | ZIP 21746 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 34.2 | 38.5 | 37.7 |
| 2010–14 | 33.7 | 39.3 | 38.6 |
| 2015–19 | 35.6 | 40.2 | 39.6 |
| 2020–24 | 37.3 | 40.6 | 40.1 |
| Change | +3.1 | +2.1 | +2.3 |
The median resident of ZIP 21746 is 37.3 years old, a few years younger than the national median of 40.1. The median age has climbed from 34.2 in 2006–10, but in a place this small, much of that may be survey noise rather than real change. ZIP 21746 is younger than the great majority of Maryland ZIP codes.
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 21746
| Period | ZIP 21746 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 11.9% | 12.5% | 12.3% |
| 2010–14 | 12.1% | 12.6% | 12.3% |
| 2015–19 | 11.4% | 11.7% | 11.6% |
| 2020–24 | 12.6% | 11.7% | 11.6% |
| Change | +0.7 pts | −0.9 pts | −0.6 pts |
Single parents head about one in eight households in ZIP 21746 (12.6%), close to the national share of 11.6%. ZIP 21746 has a higher share of single-parent households than most Maryland 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 21746
Renters in ZIP 21746
| Period | ZIP 21746 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 33.7% | 31.0% | 33.3% |
| 2010–14 | 35.6% | 32.9% | 35.6% |
| 2015–19 | 34.1% | 33.1% | 36.0% |
| 2020–24 | 33.2% | 32.4% | 34.8% |
| Change | −0.5 pts | +1.4 pts | +1.5 pts |
About a third of households in ZIP 21746 rent their homes (33.2%), close to the national share of 34.8%. Among homeowners, 36.0% have no mortgage at all, below 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 ZIP 21746
| Period | ZIP 21746 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 8.3% | 9.0% | 11.4% |
| 2010–14 | 8.6% | 8.9% | 11.4% |
| 2015–19 | 8.9% | 8.9% | 11.1% |
| 2020–24 | 6.7% | 7.1% | 9.6% |
| Change | −1.6 pts | −1.9 pts | −1.8 pts |
Vacancy is on the low side in ZIP 21746: 6.7% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. The picture is much the same across Maryland.
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 21746
| Period | ZIP 21746 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 1970 | 1974 | 1974 |
| 2010–14 | 1972 | 1975 | 1975 |
| 2015–19 | 1974 | 1976 | 1977 |
| 2020–24 | 1974 | 1978 | 1980 |
| Change | +4 | +4 | +6 |
Homes in ZIP 21746 run a bit older than the national norm, with a median build year of 1974 against 1980. ZIP 21746 has older homes than most Maryland 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 21746
| Period | ZIP 21746 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | $763 | $1,249 | $965 |
| 2010–14 | $852 | $1,363 | $1,040 |
| 2015–19 | $921 | $1,576 | $1,213 |
| 2020–24 | $1,147 | $1,869 | $1,571 |
| Change | +$384 | +$620 | +$606 |
Rent in ZIP 21746 runs $1,147 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 28.8% of the typical renter's income, just under the 30% mark often used to define affordable rent. Of the 240 Maryland ZIP codes with 5,000+ people, only 14 have lower rents.
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 21746
Bachelor's degrees in ZIP 21746
| Period | ZIP 21746 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 4.8% | 36.3% | 28.4% |
| 2010–14 | 3.0% | 37.7% | 29.6% |
| 2015–19 | 4.2% | 40.5% | 32.1% |
| 2020–24 | 2.3% | 43.4% | 35.6% |
| Change | −2.5 pts | +7.1 pts | +7.2 pts |
College degrees are relatively uncommon in ZIP 21746: 2.3% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. No other Maryland ZIP code with 5,000+ people has a lower share of college graduates.
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 21746
| Period | ZIP 21746 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 65.4% | 88.0% | 84.9% |
| 2010–14 | 67.4% | 89.1% | 86.1% |
| 2015–19 | 74.0% | 90.2% | 87.7% |
| 2020–24 | 70.6% | 90.9% | 89.3% |
| Change | +5.2 pts | +2.9 pts | +4.3 pts |
About three in ten adults in ZIP 21746 never finished high school, well above the national share: only 70.6% have a diploma or equivalent, against 89.3% nationally. Of the 240 Maryland ZIP codes with 5,000+ people, only four have a lower share of high school graduates.
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 21746
| Period | ZIP 21746 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | – | 6.5% | 8.1% |
| 2010–14 | 9.1% | 8.1% | 9.4% |
| 2015–19 | 5.5% | 5.1% | 5.6% |
| 2020–24 | 4.2% | 5.0% | 5.4% |
| Change | −1.5 pts | −2.7 pts |
Jobs have been a little easier to find in ZIP 21746 than nationally: unemployment was 4.2%, against 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).
ZIP 21746 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 21746 | 2.48 | 37.3 | 12.6% | 33.2% | 6.7% | 1974 | $1,147 | 2.3% | 70.6% | 4.2% |
| ZIP 21733 | 2.88 | 39.9 | 5.1% | 15.9% | 6.9% | 1987 | $1,237 | 25.7% | 93.3% | 1.3% |
| ZIP 21781 | 2.69 | 43.3 | 14.6% | 19.3% | 4.5% | 2002 | $1,370 | 23.6% | 90.4% | 3.0% |
| ZIP 21734 | 1.99 | 52.8 | 2.3% | 50.9% | 3.9% | 1953 | $1,256 | 19.4% | 90.2% | 3.4% |
| ZIP 21713 | 2.58 | 45.8 | 9.8% | 17.1% | 3.7% | 1981 | $1,208 | 29.3% | 93.4% | 2.0% |
| ZIP 21740 | 2.48 | 39.6 | 15.8% | 44.6% | 8.0% | 1972 | $1,189 | 21.2% | 86.5% | 5.2% |
| ZIP 21795 | 2.60 | 41.3 | 16.1% | 35.2% | 12.6% | 1975 | $1,202 | 27.4% | 91.1% | 4.5% |
| ZIP 21742 | 2.57 | 41.1 | 12.4% | 29.7% | 6.1% | 1980 | $1,294 | 31.3% | 89.8% | 4.4% |
| ZIP 21756 | 2.83 | 42.0 | 15.1% | 7.8% | 4.3% | 1991 | $1,450 | 31.7% | 94.6% | 4.1% |
| ZIP 21782 | 2.45 | 48.6 | 8.9% | 11.6% | 9.8% | 1979 | $1,191 | 26.4% | 93.2% | 9.4% |
| ZIP 21773 | 2.89 | 46.9 | 3.9% | 6.9% | 9.2% | 1984 | $1,636 | 47.7% | 96.5% | 3.7% |
All figures 2020–24.
Zip codes with similar populations: 63863, MO · 59741, MT · 60163, IL · 60195, IL · 60480, IL · 61252, IL · 62225, IL · 62561, IL · 62681, IL · 62859, IL
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 21746. 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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