Population 28,641 · Census ACS 2020–24
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Population and households in Carroll County
Household size in Carroll County
| Period | Carroll County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 2.51 | 2.53 | 2.68 |
| 2010–14 | 2.47 | 2.57 | 2.73 |
| 2015–19 | 2.45 | 2.57 | 2.71 |
| 2020–24 | 2.40 | 2.53 | 2.65 |
| Change | −0.11 | +0.00 | −0.03 |
Households in Carroll County are small: just 2.40 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. Household size has dropped from 2.51 in 2006–10, 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 Carroll County
| Period | Carroll County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 40.3 | 38.3 | 37.7 |
| 2010–14 | 42.2 | 39.2 | 38.6 |
| 2015–19 | 42.4 | 39.9 | 39.6 |
| 2020–24 | 40.6 | 39.9 | 40.1 |
| Change | +0.3 | +1.6 | +2.3 |
At 40.6, the median age in Carroll County is close to the national median of 40.1, so its age mix looks much like the country's. The youngest areas are in the northwest, 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 Carroll County
| Period | Carroll County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 12.1% | 12.2% | 12.3% |
| 2010–14 | 11.1% | 12.0% | 12.3% |
| 2015–19 | 10.4% | 11.6% | 11.6% |
| 2020–24 | 10.7% | 11.8% | 11.6% |
| Change | −1.4 pts | −0.4 pts | −0.6 pts |
Single-parent households are about as common in Carroll County as they are nationally: 10.7%, against 11.6%. Single parents are less common here than in Tennessee overall (11.8%). The single-parent share is down 1.4 points from 2006–10, as it has nationally.
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 Carroll County
Renters in Carroll County
| Period | Carroll County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 22.7% | 30.4% | 33.3% |
| 2010–14 | 24.8% | 32.9% | 35.6% |
| 2015–19 | 26.9% | 33.7% | 36.0% |
| 2020–24 | 25.5% | 33.1% | 34.8% |
| Change | +2.7 pts | +2.6 pts | +1.5 pts |
Most households in Carroll County own their homes; 25.5% rent, below the national share of 34.8%. Among homeowners, 55.5% have no mortgage at all, well above the national share of 39.8%. Since 2006–10, the renter share has risen 2.7 points, mirroring the country.
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 Carroll County
| Period | Carroll County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 16.3% | 11.5% | 11.4% |
| 2010–14 | 16.3% | 11.8% | 11.4% |
| 2015–19 | 17.1% | 11.8% | 11.1% |
| 2020–24 | 11.9% | 10.1% | 9.6% |
| Change | −4.4 pts | −1.4 pts | −1.8 pts |
Vacancy runs a little high in Carroll County: 11.9% of homes are empty, against 9.6% nationally. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. Since 2006–10, vacancy has fallen 4.4 points, mirroring the country.
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 Carroll County
| Period | Carroll County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 1972 | 1981 | 1974 |
| 2010–14 | 1975 | 1982 | 1975 |
| 2015–19 | 1977 | 1983 | 1977 |
| 2020–24 | 1978 | 1986 | 1980 |
| Change | +6 | +6 | +6 |
Homes in Carroll County are about the same age as the nation's housing: the median home was built in 1978, versus 1980 nationally. Homes here are older than in Tennessee as a whole, where the median home dates to 1986. The newest homes are mostly in the southwest, the oldest in the northwest. Few Tennessee counties have older homes: only nine of 95.
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 Carroll County
| Period | Carroll County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | $478 | $761 | $965 |
| 2010–14 | $593 | $837 | $1,040 |
| 2015–19 | $623 | $961 | $1,213 |
| 2020–24 | $776 | $1,286 | $1,571 |
| Change | +$298 | +$526 | +$606 |
A typical rental in Carroll County costs $776 a month with utilities, well below the national median of $1,571. Rent has climbed $298 a month since 2006–10, up 62%, roughly in step with the nation. The typical renter here spends 28.8% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Renters on a budget will find the lowest rents in the northeast; 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 Carroll County
Bachelor's degrees in Carroll County
| Period | Carroll County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 15.9% | 23.9% | 28.4% |
| 2010–14 | 16.4% | 25.3% | 29.6% |
| 2015–19 | 18.0% | 27.9% | 32.1% |
| 2020–24 | 19.1% | 31.4% | 35.6% |
| Change | +3.1 pts | +7.5 pts | +7.2 pts |
College degrees are relatively uncommon in Carroll County: 19.1% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree is up 3.1 points from 2006–10, mirroring the country. College graduates are most concentrated in the center 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 Carroll County
| Period | Carroll County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 77.9% | 83.3% | 84.9% |
| 2010–14 | 79.2% | 85.4% | 86.1% |
| 2015–19 | 84.2% | 87.6% | 87.7% |
| 2020–24 | 89.5% | 89.9% | 89.3% |
| Change | +11.5 pts | +6.6 pts | +4.3 pts |
About as many adults in Carroll County have finished high school as nationally: 89.5%, against 89.3%. The share with a diploma is up 11.5 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 Carroll County
| Period | Carroll County | Tennessee | U.S. |
|---|---|---|---|
| 2006–10 | 10.8% | 8.6% | 8.1% |
| 2010–14 | 11.2% | 9.6% | 9.4% |
| 2015–19 | 5.4% | 5.4% | 5.6% |
| 2020–24 | 4.4% | 4.8% | 5.4% |
| Change | −6.4 pts | −3.8 pts | −2.7 pts |
Jobs have been a little easier to find in Carroll County than nationally: unemployment was 4.4%, against 5.4%. Since 2006–10, unemployment has fallen 6.4 points, mirroring the country. 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).
Carroll 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Carroll County | 2.40 | 40.6 | 10.7% | 25.5% | 11.9% | 1978 | $776 | 19.1% | 89.5% | 4.4% |
| Benton County | 2.27 | 46.4 | 8.7% | 24.9% | 15.0% | 1980 | $794 | 12.5% | 88.6% | 5.8% |
| Gibson County | 2.52 | 39.8 | 13.4% | 31.2% | 10.7% | 1978 | $954 | 20.7% | 88.8% | 5.9% |
| Humphreys County | 2.72 | 43.9 | 10.6% | 21.7% | 20.1% | 1982 | $892 | 16.3% | 87.7% | 6.1% |
| Dyer County | 2.49 | 41.0 | 15.0% | 38.1% | 9.9% | 1979 | $823 | 22.0% | 89.4% | 4.9% |
| Dickson County | 2.57 | 40.6 | 10.4% | 19.7% | 8.8% | 1987 | $1,040 | 21.7% | 89.7% | 3.4% |
| Pemiscot County | 2.37 | 38.4 | 18.5% | 44.4% | 15.2% | 1972 | $706 | 10.9% | 84.8% | 9.9% |
| Williamson County | 2.91 | 40.9 | 6.2% | 21.2% | 5.4% | 2001 | $2,202 | 63.1% | 96.3% | 2.5% |
| Davidson County | 2.23 | 36.3 | 12.1% | 47.2% | 10.0% | 1985 | $1,674 | 47.3% | 89.7% | 4.5% |
| Greene County | 2.57 | 39.5 | 14.0% | 33.8% | 8.5% | 1990 | $883 | 17.0% | 86.6% | 5.9% |
| Lawrence County | 2.38 | 39.4 | 11.5% | 33.4% | 13.4% | 1977 | $699 | 15.8% | 83.5% | 5.9% |
All figures 2020–24.
Counties with similar populations: Johnson County, KY · Lee County, IL · Lee County, IA · Lawrence County, AL · Lassen County, CA · Lake County, MT · Laclede County, MO · Knox County, KY · Knox County, IN · Klickitat County, WA
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 Carroll 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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