Population 250,008 · Census ACS 2020–24
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Population and households in Warren County
Household size in Warren County
| Period | Warren County | Cincinnati area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.74 | 2.59 | 2.51 | 2.68 |
| 2010–14 | 2.78 | 2.61 | 2.51 | 2.73 |
| 2015–19 | 2.69 | 2.55 | 2.47 | 2.71 |
| 2020–24 | 2.71 | 2.55 | 2.46 | 2.65 |
| Change | −0.03 | −0.04 | −0.05 | −0.03 |
Households in Warren County average 2.71 people, about the same as the country as a whole (2.65). The typical household here is bigger than in the Cincinnati area overall, where it has 2.55 people. Only six of Ohio's 88 counties have larger households.
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 Warren County
| Period | Warren County | Cincinnati area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 37.5 | 37.6 | 39.0 | 37.7 |
| 2010–14 | 39.2 | 38.6 | 40.0 | 38.6 |
| 2015–19 | 40.5 | 39.4 | 40.7 | 39.6 |
| 2020–24 | 40.8 | 39.5 | 40.8 | 40.1 |
| Change | +3.3 | +1.9 | +1.8 | +2.3 |
At 40.8, the median age in Warren County is close to the national median of 40.1, so its age mix looks much like the country's. Since 2006–10, the median age has climbed from 37.5, as it has nationally.
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 Warren County
| Period | Warren County | Cincinnati area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.2% | 11.8% | 11.7% | 12.3% |
| 2010–14 | 8.2% | 12.0% | 11.9% | 12.3% |
| 2015–19 | 7.8% | 11.6% | 11.7% | 11.6% |
| 2020–24 | 7.9% | 11.4% | 11.7% | 11.6% |
| Change | −1.2 pts | −0.4 pts | −0.0 pts | −0.6 pts |
Single-parent households are relatively rare in Warren County: 7.9% of households, against 11.6% nationally. The single-parent share has edged down 1.2 points since 2006–10, as it has nationally. Warren County has a lower share of single-parent households than at least four in five Ohio counties.
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 Warren County
Renters in Warren County
| Period | Warren County | Cincinnati area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 20.1% | 30.9% | 30.8% | 33.3% |
| 2010–14 | 22.7% | 32.8% | 33.1% | 35.6% |
| 2015–19 | 22.3% | 33.6% | 33.9% | 36.0% |
| 2020–24 | 20.6% | 31.7% | 32.8% | 34.8% |
| Change | +0.5 pts | +0.8 pts | +2.0 pts | +1.5 pts |
Warren County is largely a place of homeowners: only 20.6% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. About three in ten owners (30.4%) have paid off their mortgages, below the national share of 39.8%. Since 2006–10, the renter share has edged up 0.5 points, as it has nationally.
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 Warren County
| Period | Warren County | Cincinnati area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.5% | 10.9% | 10.8% | 11.4% |
| 2010–14 | 6.2% | 10.7% | 10.8% | 11.4% |
| 2015–19 | 6.0% | 9.0% | 10.2% | 11.1% |
| 2020–24 | 5.0% | 7.2% | 8.7% | 9.6% |
| Change | −1.5 pts | −3.7 pts | −2.2 pts | −1.8 pts |
Empty homes are scarce in Warren County: just 5.0% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Vacancy has fallen 1.5 points since 2006–10, as it has nationally. Of Ohio's 88 counties, only two have a lower vacancy rate.
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 Warren County
| Period | Warren County | Cincinnati area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 1988 | 1973 | 1968 | 1974 |
| 2010–14 | 1990 | 1973 | 1969 | 1975 |
| 2015–19 | 1990 | 1974 | 1970 | 1977 |
| 2020–24 | 1994 | 1977 | 1972 | 1980 |
| Change | +5 | +4 | +4 | +6 |
Warren County has newer housing than the country as a whole: the median home was built in 1994, versus 1980 nationally. The median year built has moved up from 1988 in 2006–10, a sign of steady new building. Few Ohio counties have newer homes: only two of 88.
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 Warren County
| Period | Warren County | Cincinnati area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,000 | $826 | $765 | $965 |
| 2010–14 | $1,032 | $888 | $814 | $1,040 |
| 2015–19 | $1,207 | $987 | $901 | $1,213 |
| 2020–24 | $1,456 | $1,263 | $1,142 | $1,571 |
| Change | +$455 | +$437 | +$377 | +$606 |
A typical rental in Warren County costs $1,456 a month with utilities, below the national median of $1,571. Still, rents here are higher than in the wider Cincinnati area ($1,263). Rents are up $455 a month from 2006–10, a 46% rise, a slower climb than the nation's. Rent takes 29.2% of the typical renter's income, just under 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 Warren County
Bachelor's degrees in Warren County
| Period | Warren County | Cincinnati area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 38.0% | 29.2% | 25.4% | 28.4% |
| 2010–14 | 40.2% | 30.8% | 26.5% | 29.6% |
| 2015–19 | 45.0% | 34.1% | 28.9% | 32.1% |
| 2020–24 | 46.7% | 37.0% | 31.9% | 35.6% |
| Change | +8.7 pts | +7.8 pts | +6.5 pts | +7.2 pts |
College graduates are unusually common in Warren County: 46.7% of adults 25 and older have a bachelor's degree or higher, against 35.6% nationally. Education tends to track local incomes and the kinds of jobs nearby. Since 2006–10, the share with a degree has risen 8.7 points, mirroring the country. Only one other Ohio county has a higher share of college graduates.
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 Warren County
| Period | Warren County | Cincinnati area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 91.6% | 87.7% | 87.7% | 84.9% |
| 2010–14 | 92.9% | 89.3% | 88.9% | 86.1% |
| 2015–19 | 94.5% | 91.1% | 90.4% | 87.7% |
| 2020–24 | 95.5% | 92.4% | 91.7% | 89.3% |
| Change | +3.8 pts | +4.7 pts | +4.0 pts | +4.3 pts |
High school completion is high in Warren County: 95.5% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The share with a diploma is up 3.8 points from 2006–10, as it has nationally. Of Ohio's 88 counties, only three have a higher 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 Warren County
| Period | Warren County | Cincinnati area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.2% | 7.5% | 8.7% | 8.1% |
| 2010–14 | 7.1% | 8.6% | 9.4% | 9.4% |
| 2015–19 | 3.0% | 4.7% | 5.5% | 5.6% |
| 2020–24 | 2.9% | 4.5% | 4.9% | 5.4% |
| Change | −3.3 pts | −3.0 pts | −3.8 pts | −2.7 pts |
The job market in Warren County has been strong: just 2.9% of the labor force was out of work and looking, well below the national rate of 5.4%. Since 2006–10, unemployment has fallen 3.3 points, mirroring the country. 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).
Warren 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Warren County | 2.71 | 40.8 | 7.9% | 20.6% | 5.0% | 1994 | $1,456 | 46.7% | 95.5% | 2.9% |
| Butler County | 2.68 | 38.5 | 12.6% | 30.1% | 7.5% | 1980 | $1,320 | 33.0% | 91.0% | 5.2% |
| Clinton County | 2.46 | 40.9 | 9.5% | 28.2% | 8.1% | 1976 | $987 | 19.4% | 91.9% | 4.2% |
| Fayette County | 2.49 | 40.8 | 10.6% | 35.3% | 10.9% | 1969 | $848 | 14.6% | 86.5% | 3.8% |
| Franklin County | 2.53 | 43.4 | 9.8% | 18.5% | 7.2% | 1980 | $869 | 20.2% | 91.0% | 3.7% |
| Ross County | 2.43 | 41.4 | 12.3% | 30.4% | 8.9% | 1975 | $914 | 17.6% | 89.2% | 3.9% |
| Decatur County | 2.43 | 40.9 | 10.2% | 23.9% | 9.3% | 1973 | $881 | 20.0% | 91.2% | 2.4% |
| Shelby County | 2.46 | 42.3 | 12.3% | 27.5% | 7.1% | 1973 | $1,016 | 22.4% | 90.9% | 3.3% |
| Hocking County | 2.41 | 42.9 | 12.5% | 21.2% | 11.4% | 1980 | $851 | 13.6% | 89.7% | 6.1% |
| Johnson County | 2.67 | 38.9 | 10.5% | 27.3% | 6.0% | 1992 | $1,460 | 35.2% | 92.2% | 3.0% |
| Athens County | 2.41 | 37.2 | 7.0% | 39.6% | 13.9% | 1975 | $1,004 | 35.7% | 91.8% | 6.8% |
All figures 2020–24.
Counties with similar populations: Niagara County, NY · Kalamazoo County, MI · Kanawha County, WV · Kent County, DE · Kitsap County, WA · Mohave County, AZ · Montgomery County, TN · Muscogee County, GA · New Hanover County, NC · New London County, CT
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 Warren 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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