Population 124,354 · Census ACS 2020–24
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Population and households in Clark County
Household size in Clark County
| Period | Clark County | Louisville area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.50 | 2.51 | 2.57 | 2.68 |
| 2010–14 | 2.63 | 2.55 | 2.59 | 2.73 |
| 2015–19 | 2.63 | 2.55 | 2.57 | 2.71 |
| 2020–24 | 2.46 | 2.50 | 2.54 | 2.65 |
| Change | −0.04 | −0.01 | −0.03 | −0.03 |
The average household in Clark County has 2.46 people, under the U.S. average of 2.65. Since 2006–10, household size has edged down from 2.50, mirroring the country. The biggest households, usually families with children, are concentrated 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 Clark County
| Period | Clark County | Louisville area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 37.9 | 38.5 | 37.5 | 37.7 |
| 2010–14 | 38.9 | 39.4 | 38.4 | 38.6 |
| 2015–19 | 40.2 | 40.0 | 39.1 | 39.6 |
| 2020–24 | 40.4 | 40.2 | 39.3 | 40.1 |
| Change | +2.5 | +1.7 | +1.7 | +2.3 |
Half of the people in Clark County are younger than 40.4 and half are older, close to the national median of 40.1. The median age has climbed from 37.9 in 2006–10, as it has nationally. The youngest areas are in the east, the oldest in the center.
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 Clark County
| Period | Clark County | Louisville area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.7% | 12.6% | 11.8% | 12.3% |
| 2010–14 | 11.3% | 12.6% | 12.0% | 12.3% |
| 2015–19 | 11.3% | 11.6% | 11.6% | 11.6% |
| 2020–24 | 11.9% | 12.4% | 11.7% | 11.6% |
| Change | −0.8 pts | −0.2 pts | −0.1 pts | −0.6 pts |
Single parents head nearly one in eight households in Clark County (11.9%), close to the national share of 11.6%. The single-parent share has edged down 0.8 points since 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 Clark County
Renters in Clark County
| Period | Clark County | Louisville area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 28.8% | 30.5% | 28.5% | 33.3% |
| 2010–14 | 28.4% | 32.3% | 30.5% | 35.6% |
| 2015–19 | 28.9% | 32.5% | 30.9% | 36.0% |
| 2020–24 | 25.3% | 31.1% | 29.4% | 34.8% |
| Change | −3.5 pts | +0.6 pts | +1.0 pts | +1.5 pts |
Most households in Clark County own their homes; 25.3% rent, below the national share of 34.8%. Among homeowners, 33.9% have no mortgage at all, below the national share of 39.8%. Renting is most common in the southwest and least common in the northwest. Since 2006–10, the renter share has fallen 3.5 points, 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 Clark County
| Period | Clark County | Louisville area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.4% | 9.8% | 11.2% | 11.4% |
| 2010–14 | 11.5% | 9.8% | 11.2% | 11.4% |
| 2015–19 | 12.6% | 9.8% | 10.9% | 11.1% |
| 2020–24 | 7.9% | 7.9% | 9.3% | 9.6% |
| Change | −1.5 pts | −1.9 pts | −2.0 pts | −1.8 pts |
Vacancy is on the low side in Clark County: 7.9% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. The Louisville area as a whole looks much the same. Vacancy has edged down 1.5 points since 2006–10, 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 Clark County
| Period | Clark County | Louisville area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 1981 | 1975 | 1972 | 1974 |
| 2010–14 | 1981 | 1976 | 1973 | 1975 |
| 2015–19 | 1982 | 1976 | 1974 | 1977 |
| 2020–24 | 1986 | 1980 | 1977 | 1980 |
| Change | +6 | +5 | +5 | +6 |
Homes in Clark County are newer than the national norm: the median home was built in 1986, versus 1980 across the U.S. 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 east, the oldest in the southwest. Only seven of Indiana's 92 counties have newer homes.
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 Clark County
| Period | Clark County | Louisville area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | $763 | $769 | $763 | $965 |
| 2010–14 | $820 | $826 | $819 | $1,040 |
| 2015–19 | $901 | $928 | $903 | $1,213 |
| 2020–24 | $1,156 | $1,200 | $1,146 | $1,571 |
| Change | +$393 | +$431 | +$384 | +$606 |
A typical rental in Clark County costs $1,156 a month with utilities, well below the national median of $1,571. Rent has climbed $393 a month since 2006–10, up 52%, a slower climb than the nation's. The typical renter here spends 32.4% 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 Clark County
Bachelor's degrees in Clark County
| Period | Clark County | Louisville area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 18.8% | 24.9% | 23.8% | 28.4% |
| 2010–14 | 20.5% | 26.7% | 24.6% | 29.6% |
| 2015–19 | 21.8% | 29.0% | 27.1% | 32.1% |
| 2020–24 | 28.5% | 32.8% | 30.0% | 35.6% |
| Change | +9.7 pts | +7.9 pts | +6.2 pts | +7.2 pts |
Nearly three in ten adults 25 and older in Clark County (28.5%) have a bachelor's degree or higher, below the national share of 35.6%. Since 2006–10, the share with a degree has risen 9.7 points, in line with the national trend. College graduates are most concentrated in the northwest 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 Clark County
| Period | Clark County | Louisville area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 86.0% | 86.4% | 86.5% | 84.9% |
| 2010–14 | 87.5% | 87.8% | 87.7% | 86.1% |
| 2015–19 | 89.7% | 90.1% | 88.7% | 87.7% |
| 2020–24 | 91.1% | 91.1% | 89.9% | 89.3% |
| Change | +5.2 pts | +4.7 pts | +3.4 pts | +4.3 pts |
High school completion in Clark County is a bit above the national rate: 91.1% of adults have a diploma or equivalent, against 89.3%. That is in line with the rest of the Louisville area. The share with a diploma has risen 5.2 points since 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 Clark County
| Period | Clark County | Louisville area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.6% | 8.4% | 8.4% | 8.1% |
| 2010–14 | 7.7% | 9.1% | 8.9% | 9.4% |
| 2015–19 | 5.1% | 5.2% | 4.9% | 5.6% |
| 2020–24 | 4.1% | 4.8% | 4.3% | 5.4% |
| Change | −3.5 pts | −3.6 pts | −4.1 pts | −2.7 pts |
Jobs have been a little easier to find in Clark County than nationally: unemployment was 4.1%, against 5.4%. Unemployment is down 3.5 points from 2006–10, as it has nationally. 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).
Clark 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Clark County | 2.46 | 40.4 | 11.9% | 25.3% | 7.9% | 1986 | $1,156 | 28.5% | 91.1% | 4.1% |
| Floyd County | 2.55 | 41.0 | 10.5% | 26.8% | 8.9% | 1979 | $1,070 | 33.2% | 92.9% | 4.1% |
| Jefferson County | 2.42 | 39.5 | 13.1% | 37.9% | 8.2% | 1973 | $1,296 | 36.3% | 90.9% | 5.4% |
| Oldham County | 2.88 | 40.2 | 12.2% | 12.9% | 4.6% | 1994 | $1,330 | 47.4% | 94.8% | 3.3% |
| Harrison County | 2.57 | 42.8 | 8.3% | 16.4% | 9.1% | 1988 | $847 | 22.0% | 91.7% | 3.2% |
| Shelby County | 2.62 | 41.7 | 10.1% | 26.1% | 6.9% | 1990 | $1,092 | 32.3% | 88.2% | 4.3% |
| Henry County | 2.57 | 42.0 | 11.9% | 23.7% | 9.9% | 1976 | $992 | 15.5% | 86.9% | 4.7% |
| Crawford County | 2.29 | 45.4 | 6.2% | 18.7% | 19.6% | 1982 | $700 | 11.2% | 85.6% | 3.8% |
| Scott County | 2.61 | 37.3 | 12.1% | 28.3% | 7.0% | 1996 | $1,254 | 35.1% | 94.0% | 4.4% |
| Dubois County | 2.48 | 40.7 | 11.2% | 25.3% | 7.8% | 1978 | $887 | 25.9% | 89.2% | 2.3% |
| Harrison County | 2.65 | 42.7 | 12.5% | 28.6% | 12.4% | 1981 | $762 | 21.7% | 90.5% | 3.0% |
All figures 2020–24.
Counties with similar populations: Androscoggin County, ME · Calhoun County, AL · Saline County, AR · Henderson County, NC · Jefferson County, NY · Albemarle County, VA · La Crosse County, WI · LaPorte County, IN · Linn County, OR · Lycoming County, PA
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 Clark 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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