Population 20,959 · Census ACS 2020–24
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Population and households in DeKalb County
Household size in DeKalb County
| Period | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 2.47 | 2.53 | 2.68 |
| 2010–14 | 2.65 | 2.57 | 2.73 |
| 2015–19 | 2.53 | 2.57 | 2.71 |
| 2020–24 | 2.44 | 2.53 | 2.65 |
| Change | −0.03 | +0.00 | −0.03 |
The average household in DeKalb County has 2.44 people, under the U.S. average of 2.65. Since 2006–10, household size has edged down from 2.47, in line with the national trend. Households are largest in the south and smallest in the northeast.
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 DeKalb County
| Period | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 39.8 | 38.3 | 37.7 |
| 2010–14 | 42.7 | 39.2 | 38.6 |
| 2015–19 | 42.0 | 39.9 | 39.6 |
| 2020–24 | 41.7 | 39.9 | 40.1 |
| Change | +1.9 | +1.6 | +2.3 |
The median resident of DeKalb County is 41.7 years old, a bit older than the national median of 40.1. The median age has climbed from 39.8 in 2006–10, in line with the national trend.
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 DeKalb County
| Period | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 9.1% | 12.2% | 12.3% |
| 2010–14 | 9.7% | 12.0% | 12.3% |
| 2015–19 | 10.2% | 11.6% | 11.6% |
| 2020–24 | 9.8% | 11.8% | 11.6% |
| Change | +0.7 pts | −0.4 pts | −0.6 pts |
Single-parent households are a bit less common in DeKalb County than nationally: 9.8%, against 11.6%. Since 2006–10, the single-parent share has edged up 0.7 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 DeKalb County
Renters in DeKalb County
| Period | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 27.7% | 30.4% | 33.3% |
| 2010–14 | 27.5% | 32.9% | 35.6% |
| 2015–19 | 31.6% | 33.7% | 36.0% |
| 2020–24 | 27.4% | 33.1% | 34.8% |
| Change | −0.3 pts | +2.6 pts | +1.5 pts |
Most households in DeKalb County own their homes; 27.4% rent, below the national share of 34.8%. Among homeowners, 44.9% have no mortgage at all, above the national share of 39.8%. Rentals cluster in the center; owners are most common in the northeast.
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 DeKalb County
| Period | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 20.1% | 11.5% | 11.4% |
| 2010–14 | 23.0% | 11.8% | 11.4% |
| 2015–19 | 18.3% | 11.8% | 11.1% |
| 2020–24 | 12.6% | 10.1% | 9.6% |
| Change | −7.5 pts | −1.4 pts | −1.8 pts |
More homes sit empty in DeKalb County than nationally: 12.6%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. Vacancy is down 7.5 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 DeKalb County
| Period | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 1981 | 1981 | 1974 |
| 2010–14 | 1982 | 1982 | 1975 |
| 2015–19 | 1982 | 1983 | 1977 |
| 2020–24 | 1987 | 1986 | 1980 |
| Change | +6 | +6 | +6 |
Homes in DeKalb County are newer than the national norm: the median home was built in 1987, versus 1980 across the U.S. The median year built has moved up from 1981 in 2006–10, a sign of steady new building. Newer construction is concentrated in the south, while the center 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 DeKalb County
| Period | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | $549 | $761 | $965 |
| 2010–14 | $566 | $837 | $1,040 |
| 2015–19 | $684 | $961 | $1,213 |
| 2020–24 | $893 | $1,286 | $1,571 |
| Change | +$344 | +$526 | +$606 |
Rent in DeKalb County runs $893 a month at the median, utilities included, well below the U.S. median of $1,571. Rent has climbed $344 a month since 2006–10, up 63%, roughly in step with the nation. Rent takes 35.8% 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 northwest; the highest are in the northeast.
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 DeKalb County
Bachelor's degrees in DeKalb County
| Period | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 11.5% | 23.9% | 28.4% |
| 2010–14 | 14.2% | 25.3% | 29.6% |
| 2015–19 | 17.1% | 27.9% | 32.1% |
| 2020–24 | 20.7% | 31.4% | 35.6% |
| Change | +9.2 pts | +7.5 pts | +7.2 pts |
College degrees are relatively uncommon in DeKalb County: 20.7% 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 9.2 points since 2006–10, as it has nationally.
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 DeKalb County
| Period | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 68.7% | 83.3% | 84.9% |
| 2010–14 | 77.8% | 85.4% | 86.1% |
| 2015–19 | 79.8% | 87.6% | 87.7% |
| 2020–24 | 84.1% | 89.9% | 89.3% |
| Change | +15.4 pts | +6.6 pts | +4.3 pts |
Nearly one in six adults in DeKalb County never finished high school, well above the national share: only 84.1% have a diploma or equivalent, against 89.3% nationally. Since 2006–10, the share with a diploma has risen 15.4 points, a much bigger shift than nationally. DeKalb County has a lower share of high school graduates than at least four in five Tennessee counties.
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 DeKalb County
| Period | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 8.8% | 8.6% | 8.1% |
| 2010–14 | 10.2% | 9.6% | 9.4% |
| 2015–19 | 5.9% | 5.4% | 5.6% |
| 2020–24 | 5.9% | 4.8% | 5.4% |
| Change | −2.8 pts | −3.8 pts | −2.7 pts |
Unemployment in DeKalb County is close to the national rate: 5.9% of the labor force, against 5.4%. The rate is higher than in Tennessee as a whole (4.8%). Unemployment is down 2.8 points from 2006–10, mirroring the country.
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).
DeKalb County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| DeKalb County | 2.44 | 41.7 | 9.8% | 27.4% | 12.6% | 1987 | $893 | 20.7% | 84.1% | 5.9% |
| White County | 2.51 | 43.3 | 9.5% | 23.1% | 9.1% | 1983 | $831 | 14.8% | 84.4% | 6.1% |
| Rutherford County | 2.83 | 34.8 | 12.4% | 35.2% | 7.7% | 1999 | $1,658 | 36.2% | 92.7% | 3.5% |
| Cumberland County | 2.26 | 51.4 | 7.9% | 19.8% | 10.6% | 1993 | $965 | 18.3% | 90.7% | 4.9% |
| Williamson County | 2.91 | 40.9 | 6.2% | 21.2% | 5.4% | 2001 | $2,202 | 63.1% | 96.3% | 2.5% |
| Morgan County | 2.72 | 41.9 | 10.7% | 15.1% | 16.6% | 1985 | $847 | 13.7% | 85.5% | 5.5% |
| Roane County | 2.44 | 46.3 | 9.0% | 21.9% | 10.9% | 1981 | $867 | 22.0% | 89.9% | 4.9% |
| Hickman County | 2.54 | 42.6 | 13.5% | 20.8% | 11.9% | 1988 | $955 | 13.9% | 86.1% | 2.8% |
| Anderson County | 2.44 | 42.7 | 11.5% | 28.3% | 9.0% | 1976 | $1,062 | 28.4% | 91.3% | 3.7% |
| Knox County | 2.46 | 38.8 | 9.4% | 34.8% | 8.5% | 1985 | $1,401 | 41.4% | 92.2% | 3.4% |
| Humphreys County | 2.72 | 43.9 | 10.6% | 21.7% | 20.1% | 1982 | $892 | 16.3% | 87.7% | 6.1% |
All figures 2020–24.
Counties with similar populations: Otsego County, MI · Oglala Lakota County, SD · Oglethorpe County, GA · Ohio County, KY · Orange County, IN · Orange County, VT · Orleans County, VT · Orocovis Municipio, PR · Osage County, KS · Osage County, MO
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 DeKalb County. 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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