Population 174,160 · Census ACS 2020–24
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Population and households in Aiken County
Household size in Aiken County
| Period | Aiken County | Augusta area | South Carolina | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.51 | 2.64 | 2.54 | 2.68 |
| 2010–14 | 2.53 | 2.74 | 2.59 | 2.73 |
| 2015–19 | 2.47 | 2.77 | 2.57 | 2.71 |
| 2020–24 | 2.52 | 2.73 | 2.50 | 2.65 |
| Change | +0.02 | +0.09 | −0.04 | −0.03 |
Households in Aiken County run a little small, averaging 2.52 people against 2.65 nationally, which usually means more singles and couples and fewer children. The biggest households, usually families with children, are concentrated in the north. Compared with other South Carolina counties, though, Aiken County has larger 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 Aiken County
| Period | Aiken County | Augusta area | South Carolina | U.S. |
|---|---|---|---|---|
| 2006–10 | 40.3 | 37.5 | 38.3 | 37.7 |
| 2010–14 | 41.0 | 37.9 | 39.3 | 38.6 |
| 2015–19 | 42.9 | 39.0 | 40.6 | 39.6 |
| 2020–24 | 42.4 | 39.4 | 41.2 | 40.1 |
| Change | +2.1 | +1.9 | +2.9 | +2.3 |
Aiken County skews a little older than the country: its median age is 42.4, against 40.1 nationally. The median age has climbed from 40.3 in 2006–10, mirroring the country. The youngest areas are in the west, the oldest in the south.
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 Aiken County
| Period | Aiken County | Augusta area | South Carolina | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.9% | 15.0% | 13.0% | 12.3% |
| 2010–14 | 12.7% | 14.8% | 13.0% | 12.3% |
| 2015–19 | 11.9% | 13.3% | 11.8% | 11.6% |
| 2020–24 | 12.2% | 15.4% | 11.7% | 11.6% |
| Change | −0.7 pts | +0.4 pts | −1.3 pts | −0.6 pts |
Single parents head about one in eight households in Aiken County (12.2%), close to the national share of 11.6%. Single parents are less common here than in the Augusta area as a whole (15.4%). The single-parent share has edged down 0.7 points since 2006–10, in line with the national trend.
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 Aiken County
Renters in Aiken County
| Period | Aiken County | Augusta area | South Carolina | U.S. |
|---|---|---|---|---|
| 2006–10 | 26.7% | 31.2% | 30.1% | 33.3% |
| 2010–14 | 26.5% | 32.5% | 31.4% | 35.6% |
| 2015–19 | 27.4% | 32.9% | 30.6% | 36.0% |
| 2020–24 | 23.5% | 32.0% | 28.1% | 34.8% |
| Change | −3.3 pts | +0.8 pts | −2.0 pts | +1.5 pts |
Aiken County is largely a place of homeowners: only 23.5% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 46.8% have no mortgage at all, above the national share of 39.8%. The renter share is down 3.3 points from 2006–10, 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 Aiken County
| Period | Aiken County | Augusta area | South Carolina | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.8% | 12.5% | 14.2% | 11.4% |
| 2010–14 | 13.4% | 14.8% | 14.2% | 11.4% |
| 2015–19 | 12.2% | 16.5% | 13.3% | 11.1% |
| 2020–24 | 12.7% | 14.2% | 11.8% | 9.6% |
| Change | −0.1 pts | +1.7 pts | −2.5 pts | −1.8 pts |
More homes sit empty in Aiken County than nationally: 12.7%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. Still, the rate is lower than in the Augusta area as a whole (14.2%).
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 Aiken County
| Period | Aiken County | Augusta area | South Carolina | U.S. |
|---|---|---|---|---|
| 2006–10 | 1982 | 1982 | 1984 | 1974 |
| 2010–14 | 1984 | 1984 | 1985 | 1975 |
| 2015–19 | 1985 | 1986 | 1987 | 1977 |
| 2020–24 | 1988 | 1989 | 1991 | 1980 |
| Change | +6 | +6 | +7 | +6 |
Aiken County has newer housing than the country as a whole: the median home was built in 1988, versus 1980 nationally. The median year built has moved up from 1982 in 2006–10, a sign of steady new building. The newest homes are mostly in the northwest, the oldest in the center.
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 Aiken County
| Period | Aiken County | Augusta area | South Carolina | U.S. |
|---|---|---|---|---|
| 2006–10 | $673 | $760 | $780 | $965 |
| 2010–14 | $751 | $856 | $859 | $1,040 |
| 2015–19 | $895 | $988 | $984 | $1,213 |
| 2020–24 | $1,116 | $1,254 | $1,294 | $1,571 |
| Change | +$443 | +$494 | +$514 | +$606 |
Rent in Aiken County runs $1,116 a month at the median, utilities included, well below the U.S. median of $1,571. Rent has climbed $443 a month since 2006–10, up 66%, roughly in step with the nation. Rent takes 29.8% of the typical renter's income, just under the 30% mark often used to define affordable rent. Rents run highest in the west and lowest 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 Aiken County
Bachelor's degrees in Aiken County
| Period | Aiken County | Augusta area | South Carolina | U.S. |
|---|---|---|---|---|
| 2006–10 | 23.5% | 23.7% | 25.2% | 28.4% |
| 2010–14 | 25.3% | 25.0% | 26.5% | 29.6% |
| 2015–19 | 26.1% | 25.8% | 28.9% | 32.1% |
| 2020–24 | 31.7% | 29.6% | 32.6% | 35.6% |
| Change | +8.2 pts | +6.0 pts | +7.4 pts | +7.2 pts |
Nearly a third of adults 25 and older in Aiken County (31.7%) have a bachelor's degree or higher, a little below the national share of 35.6%. Since 2006–10, the share with a degree has risen 8.2 points, mirroring the country. College graduates are most concentrated in the center and least in the north.
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 Aiken County
| Period | Aiken County | Augusta area | South Carolina | U.S. |
|---|---|---|---|---|
| 2006–10 | 83.9% | 83.9% | 84.0% | 84.9% |
| 2010–14 | 86.0% | 85.8% | 85.7% | 86.1% |
| 2015–19 | 87.9% | 87.3% | 87.8% | 87.7% |
| 2020–24 | 90.3% | 89.1% | 90.2% | 89.3% |
| Change | +6.4 pts | +5.2 pts | +6.2 pts | +4.3 pts |
High school completion in Aiken County is close to the national rate: 90.3% of adults have a diploma or equivalent, against 89.3%. The share with a diploma is up 6.4 points from 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 Aiken County
| Period | Aiken County | Augusta area | South Carolina | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.0% | 8.8% | 9.1% | 8.1% |
| 2010–14 | 10.1% | 10.3% | 10.6% | 9.4% |
| 2015–19 | 7.6% | 7.1% | 5.8% | 5.6% |
| 2020–24 | 6.0% | 6.6% | 4.9% | 5.4% |
| Change | −2.0 pts | −2.2 pts | −4.2 pts | −2.7 pts |
Unemployment in Aiken County is close to the national rate: 6.0% of the labor force, against 5.4%. Unemployment is down 2.0 points from 2006–10, in line with the national trend. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's 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).
Aiken 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Aiken County | 2.52 | 42.4 | 12.2% | 23.5% | 12.7% | 1988 | $1,116 | 31.7% | 90.3% | 6.0% |
| Richmond County | 2.73 | 37.2 | 19.2% | 48.8% | 16.8% | 1982 | $1,226 | 25.2% | 87.3% | 9.2% |
| Columbia County | 2.99 | 38.2 | 13.6% | 21.9% | 11.0% | 1999 | $1,623 | 38.5% | 92.5% | 4.6% |
| McDuffie County | 2.69 | 41.1 | 16.1% | 35.0% | 13.8% | 1986 | $884 | 17.8% | 86.7% | 1.9% |
| Warren County | 2.41 | 44.7 | 12.7% | 27.8% | 18.7% | 1980 | $682 | 12.6% | 77.6% | 10.4% |
| Calhoun County | 2.30 | 46.4 | 11.0% | 15.0% | 11.3% | 1987 | $1,033 | 24.4% | 87.1% | 6.3% |
| Orangeburg County | 2.45 | 42.0 | 18.0% | 33.0% | 20.7% | 1981 | $883 | 20.2% | 84.8% | 8.6% |
| Taliaferro County | 2.71 | 46.3 | 20.9% | 17.9% | 36.4% | 1975 | $657 | 11.9% | 87.4% | 5.4% |
| Greene County | 2.48 | 53.2 | 11.5% | 22.1% | 21.9% | 1988 | $1,358 | 36.9% | 88.8% | 3.8% |
| Clarendon County | 2.45 | 46.9 | 11.9% | 27.1% | 20.5% | 1988 | $780 | 18.0% | 84.1% | 5.8% |
| Morgan County | 2.60 | 43.9 | 9.3% | 21.8% | 8.7% | 1992 | $1,317 | 29.7% | 91.6% | 2.3% |
All figures 2020–24.
Counties with similar populations: Midland County, TX · Maui County, HI · Pitt County, NC · Dorchester County, SC · Beaver County, PA · Muskegon County, MI · Jackson County, MI · Chittenden County, VT · Scott County, IA · Bay County, FL
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 Aiken 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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