Population 52,411 · Census ACS 2020–24
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Population and households in ZIP 30721
Household size in ZIP 30721
| Period | ZIP 30721 | Georgia | U.S. |
|---|---|---|---|
| 2006–10 | 3.05 | 2.70 | 2.68 |
| 2010–14 | 3.17 | 2.77 | 2.73 |
| 2015–19 | 2.98 | 2.75 | 2.71 |
| 2020–24 | 2.90 | 2.73 | 2.65 |
| Change | −0.14 | +0.03 | −0.03 |
Households in ZIP 30721 are large by national standards, averaging 2.90 people against 2.65 for the U.S. That usually means more families with children at home. Since 2006–10, household size has dropped from 3.05, a much bigger shift than 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 ZIP 30721
| Period | ZIP 30721 | Georgia | U.S. |
|---|---|---|---|
| 2006–10 | 32.3 | 36.0 | 37.7 |
| 2010–14 | 32.9 | 36.9 | 38.6 |
| 2015–19 | 35.2 | 38.1 | 39.6 |
| 2020–24 | 35.9 | 38.6 | 40.1 |
| Change | +3.5 | +2.6 | +2.3 |
With a median age of just 35.9, ZIP 30721 is far younger than the country as a whole (40.1), a population that tilts toward young families with children. Since 2006–10, the median age has climbed from 32.3, in line with the national trend. The youngest areas are in the center, the oldest in the northeast.
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 30721
| Period | ZIP 30721 | Georgia | U.S. |
|---|---|---|---|
| 2006–10 | 15.4% | 13.8% | 12.3% |
| 2010–14 | 14.9% | 13.8% | 12.3% |
| 2015–19 | 14.7% | 13.0% | 11.6% |
| 2020–24 | 16.8% | 13.4% | 11.6% |
| Change | +1.4 pts | −0.4 pts | −0.6 pts |
Single parents head about one in six households in ZIP 30721 (16.8%), well above the national share of 11.6%. The single-parent share has edged up 1.4 points since 2006–10, 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 30721
Renters in ZIP 30721
| Period | ZIP 30721 | Georgia | U.S. |
|---|---|---|---|
| 2006–10 | 33.5% | 32.8% | 33.3% |
| 2010–14 | 36.3% | 35.8% | 35.6% |
| 2015–19 | 38.2% | 36.7% | 36.0% |
| 2020–24 | 34.3% | 34.3% | 34.8% |
| Change | +0.7 pts | +1.5 pts | +1.5 pts |
Renting in ZIP 30721 is about as common as it is nationally: 34.3% of households rent, against 34.8%. Among homeowners, 54.1% have no mortgage at all, well above the national share of 39.8%. Renting is most common in the southwest and least common in the northeast. The renter share has edged up 0.7 points since 2006–10, in line with the national trend.
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 30721
| Period | ZIP 30721 | Georgia | U.S. |
|---|---|---|---|
| 2006–10 | 14.7% | 13.1% | 11.4% |
| 2010–14 | 15.0% | 13.2% | 11.4% |
| 2015–19 | 11.7% | 11.6% | 11.1% |
| 2020–24 | 6.8% | 10.3% | 9.6% |
| Change | −7.8 pts | −2.8 pts | −1.8 pts |
Fewer homes sit empty in ZIP 30721 than nationally: 6.8%, against 9.6% for the U.S. Vacancy is down 7.8 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 30721
| Period | ZIP 30721 | Georgia | U.S. |
|---|---|---|---|
| 2006–10 | 1981 | 1985 | 1974 |
| 2010–14 | 1980 | 1987 | 1975 |
| 2015–19 | 1984 | 1987 | 1977 |
| 2020–24 | 1985 | 1991 | 1980 |
| Change | +4 | +6 | +6 |
Homes in ZIP 30721 are a bit newer than the national norm: the median home was built in 1985, versus 1980 across the U.S. Still, homes here are older than in Georgia as a whole, where the median home dates to 1991. The median year built has moved up from 1981 in 2006–10, a sign of steady new building. The newest homes are mostly in the north, the oldest in the west.
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 30721
| Period | ZIP 30721 | Georgia | U.S. |
|---|---|---|---|
| 2006–10 | $690 | $910 | $965 |
| 2010–14 | $717 | $977 | $1,040 |
| 2015–19 | $727 | $1,112 | $1,213 |
| 2020–24 | $1,018 | $1,520 | $1,571 |
| Change | +$328 | +$609 | +$606 |
A typical rental in ZIP 30721 costs $1,018 a month with utilities, well below the national median of $1,571. Rent has climbed $328 a month since 2006–10, up 48%, a slower climb than the nation's. The typical renter here spends 30.3% of household income on rent, just over 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 30721
Bachelor's degrees in ZIP 30721
| Period | ZIP 30721 | Georgia | U.S. |
|---|---|---|---|
| 2006–10 | 8.3% | 28.1% | 28.4% |
| 2010–14 | 7.6% | 28.9% | 29.6% |
| 2015–19 | 10.5% | 31.4% | 32.1% |
| 2020–24 | 14.3% | 35.1% | 35.6% |
| Change | +6.0 pts | +7.0 pts | +7.2 pts |
College degrees are relatively uncommon in ZIP 30721: 14.3% 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 6.0 points since 2006–10, mirroring the country. College graduates are most concentrated in the northwest and least in the southeast.
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 30721
| Period | ZIP 30721 | Georgia | U.S. |
|---|---|---|---|
| 2006–10 | 58.5% | 84.1% | 84.9% |
| 2010–14 | 58.1% | 85.4% | 86.1% |
| 2015–19 | 60.7% | 87.2% | 87.7% |
| 2020–24 | 67.2% | 89.2% | 89.3% |
| Change | +8.6 pts | +5.0 pts | +4.3 pts |
About a third of adults in ZIP 30721 never finished high school, well above the national share: only 67.2% have a diploma or equivalent, against 89.3% nationally. The share with a diploma has risen 8.6 points since 2006–10, as it has nationally. No other Georgia ZIP code with 5,000+ people has 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 30721
| Period | ZIP 30721 | Georgia | U.S. |
|---|---|---|---|
| 2006–10 | 9.2% | 8.8% | 8.1% |
| 2010–14 | 13.8% | 10.7% | 9.4% |
| 2015–19 | 6.0% | 5.8% | 5.6% |
| 2020–24 | 3.8% | 5.2% | 5.4% |
| Change | −5.4 pts | −3.6 pts | −2.7 pts |
Jobs have been easier to find in ZIP 30721 than nationally: unemployment was 3.8%, 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).
ZIP 30721 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 30721 | 2.90 | 35.9 | 16.8% | 34.3% | 6.8% | 1985 | $1,018 | 14.3% | 67.2% | 3.8% |
| ZIP 30722 | 1.87 | 35.4 | 6.7% | 83.1% | 13.7% | 1981 | $952 | 13.6% | 82.3% | 15.1% |
| ZIP 30720 | 2.87 | 35.9 | 11.8% | 42.9% | 12.0% | 1981 | $1,062 | 28.2% | 79.7% | 4.7% |
| ZIP 30740 | 2.87 | 41.9 | 11.3% | 11.9% | 9.0% | 1992 | $933 | 27.2% | 88.0% | 7.6% |
| ZIP 30756 | 3.02 | 26.8 | 16.0% | 34.8% | 3.1% | 1999 | $1,093 | 27.4% | 92.2% | 1.4% |
| ZIP 30755 | 2.77 | 37.1 | 14.4% | 28.3% | 9.9% | 1988 | $906 | 18.2% | 84.1% | 8.3% |
| ZIP 30705 | 2.72 | 39.7 | 14.7% | 25.9% | 7.8% | 1993 | $906 | 15.7% | 77.6% | 3.7% |
| ZIP 30735 | 2.93 | 41.4 | 15.6% | 31.4% | 11.4% | 1987 | $1,059 | 21.7% | 80.6% | 6.0% |
| ZIP 30739 | 2.87 | 44.3 | 12.0% | 10.5% | 8.8% | 1996 | $914 | 25.4% | 91.7% | 8.1% |
| ZIP 30728 | 2.49 | 44.2 | 8.7% | 24.9% | 10.6% | 1979 | $853 | 16.6% | 85.8% | 3.0% |
| ZIP 30707 | 2.61 | 41.6 | 9.4% | 15.0% | 8.5% | 1987 | $934 | 26.0% | 88.9% | 3.8% |
All figures 2020–24.
Zip codes with similar populations: 20902, MD · 29229, SC · 92833, CA · 95037, CA · 22204, VA · 21215, MD · 20744, MD · 20009, DC · 19148, PA · 00924, PR
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 30721. 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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