Population 226,834 · Census ACS 2020–24
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Population and households in Delaware County
Household size in Delaware County
| Period | Delaware County | Columbus area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.71 | 2.56 | 2.51 | 2.68 |
| 2010–14 | 2.80 | 2.59 | 2.51 | 2.73 |
| 2015–19 | 2.87 | 2.60 | 2.47 | 2.71 |
| 2020–24 | 2.78 | 2.56 | 2.46 | 2.65 |
| Change | +0.07 | +0.00 | −0.05 | −0.03 |
The typical household in Delaware County holds 2.78 people, slightly more than the U.S. average of 2.65. Since 2006–10, household size has crept up from 2.71, even as the national average fell. Of Ohio's 88 counties, only three 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 Delaware County
| Period | Delaware County | Columbus area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 37.2 | 36.2 | 39.0 | 37.7 |
| 2010–14 | 38.3 | 37.0 | 40.0 | 38.6 |
| 2015–19 | 39.2 | 37.6 | 40.7 | 39.6 |
| 2020–24 | 40.3 | 37.9 | 40.8 | 40.1 |
| Change | +3.1 | +1.7 | +1.8 | +2.3 |
Half of the people in Delaware County are younger than 40.3 and half are older, close to the national median of 40.1. The population here is older than in the wider Columbus area, where the median age is 37.9. The median age has climbed from 37.2 in 2006–10, 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 Delaware County
| Period | Delaware County | Columbus area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.8% | 12.0% | 11.7% | 12.3% |
| 2010–14 | 7.8% | 12.1% | 11.9% | 12.3% |
| 2015–19 | 7.7% | 12.3% | 11.7% | 11.6% |
| 2020–24 | 7.6% | 12.7% | 11.7% | 11.6% |
| Change | −0.2 pts | +0.7 pts | −0.0 pts | −0.6 pts |
Single-parent households are relatively rare in Delaware County: 7.6% of households, against 11.6% nationally. Few Ohio counties have a lower share of single-parent households: only seven of 88.
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 Delaware County
Renters in Delaware County
| Period | Delaware County | Columbus area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 16.8% | 35.4% | 30.8% | 33.3% |
| 2010–14 | 18.4% | 37.9% | 33.1% | 35.6% |
| 2015–19 | 18.6% | 38.5% | 33.9% | 36.0% |
| 2020–24 | 21.5% | 38.7% | 32.8% | 34.8% |
| Change | +4.7 pts | +3.3 pts | +2.0 pts | +1.5 pts |
Delaware County is largely a place of homeowners: only 21.5% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 28.1% have no mortgage at all, well below the national share of 39.8%. The renter share has risen 4.7 points since 2006–10, a much bigger shift than 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 Delaware County
| Period | Delaware County | Columbus area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.4% | 10.9% | 10.8% | 11.4% |
| 2010–14 | 5.1% | 10.0% | 10.8% | 11.4% |
| 2015–19 | 5.3% | 8.8% | 10.2% | 11.1% |
| 2020–24 | 5.5% | 7.9% | 8.7% | 9.6% |
| Change | +0.1 pts | −2.9 pts | −2.2 pts | −1.8 pts |
Only 5.5% of homes in Delaware County are vacant, far below the national rate of 9.6%, which usually means strong demand for housing. Few Ohio counties have a lower vacancy rate: only five of 88.
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 Delaware County
| Period | Delaware County | Columbus area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 1991 | 1976 | 1968 | 1974 |
| 2010–14 | 1993 | 1977 | 1969 | 1975 |
| 2015–19 | 1994 | 1979 | 1970 | 1977 |
| 2020–24 | 1999 | 1982 | 1972 | 1980 |
| Change | +8 | +6 | +4 | +6 |
Delaware County has newer housing than the country as a whole: the median home was built in 1999, versus 1980 nationally. The median year built has moved up from 1991 in 2006–10, a sign of steady new building. Newer construction is concentrated in the center, while the north has the oldest housing. Delaware County has the newest homes of any Ohio county.
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 Delaware County
| Period | Delaware County | Columbus area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,077 | $852 | $765 | $965 |
| 2010–14 | $1,233 | $924 | $814 | $1,040 |
| 2015–19 | $1,276 | $1,051 | $901 | $1,213 |
| 2020–24 | $1,690 | $1,378 | $1,142 | $1,571 |
| Change | +$613 | +$526 | +$377 | +$606 |
Rent in Delaware County runs $1,690 a month at the median, utilities included, above the U.S. median of $1,571. Rents are up $613 a month from 2006–10, a 57% rise, a slower climb than the nation's. The typical renter here spends 27.0% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. No other Ohio county has higher rents.
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 Delaware County
Bachelor's degrees in Delaware County
| Period | Delaware County | Columbus area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 50.1% | 33.3% | 25.4% | 28.4% |
| 2010–14 | 52.0% | 34.4% | 26.5% | 29.6% |
| 2015–19 | 55.3% | 37.6% | 28.9% | 32.1% |
| 2020–24 | 60.0% | 40.2% | 31.9% | 35.6% |
| Change | +9.9 pts | +6.9 pts | +6.5 pts | +7.2 pts |
College graduates are unusually common in Delaware County: 60.0% 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. The share with a degree is up 9.9 points from 2006–10, as it has nationally. Delaware County has the highest share of college graduates of any Ohio county.
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 Delaware County
| Period | Delaware County | Columbus area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 95.8% | 89.6% | 87.7% | 84.9% |
| 2010–14 | 96.3% | 90.2% | 88.9% | 86.1% |
| 2015–19 | 96.5% | 91.6% | 90.4% | 87.7% |
| 2020–24 | 97.1% | 92.2% | 91.7% | 89.3% |
| Change | +1.3 pts | +2.6 pts | +4.0 pts | +4.3 pts |
Finishing high school is nearly universal in Delaware County: 97.1% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Since 2006–10, the share with a diploma has edged up 1.3 points, a smaller shift than nationally. Delaware County has the highest share of high school graduates of any Ohio county.
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 Delaware County
| Period | Delaware County | Columbus area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.1% | 7.6% | 8.7% | 8.1% |
| 2010–14 | 4.1% | 7.8% | 9.4% | 9.4% |
| 2015–19 | 2.8% | 4.6% | 5.5% | 5.6% |
| 2020–24 | 3.2% | 4.3% | 4.9% | 5.4% |
| Change | −0.9 pts | −3.4 pts | −3.8 pts | −2.7 pts |
Unemployment in Delaware County has been low: just 3.2% of the labor force was out of work and looking, well below the national rate of 5.4%. Since 2006–10, unemployment has edged down 0.9 points, a smaller shift than nationally. 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).
Delaware 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Delaware County | 2.78 | 40.3 | 7.6% | 21.5% | 5.5% | 1999 | $1,690 | 60.0% | 97.1% | 3.2% |
| Union County | 2.78 | 39.3 | 9.8% | 20.8% | 3.9% | 1995 | $1,520 | 45.3% | 96.6% | 2.4% |
| Champaign County | 2.49 | 43.2 | 9.8% | 23.2% | 8.6% | 1967 | $952 | 19.2% | 91.3% | 4.7% |
| Logan County | 2.39 | 42.2 | 11.5% | 22.4% | 14.3% | 1971 | $802 | 18.6% | 92.6% | 4.1% |
| Coshocton County | 2.55 | 42.3 | 12.9% | 27.1% | 9.8% | 1969 | $794 | 16.2% | 82.9% | 5.6% |
| Shelby County | 2.54 | 40.4 | 9.8% | 26.3% | 6.6% | 1973 | $944 | 21.4% | 91.7% | 3.9% |
| Darke County | 2.46 | 42.1 | 10.0% | 27.6% | 6.5% | 1961 | $819 | 16.7% | 90.9% | 2.8% |
| Harrison County | 2.41 | 44.0 | 9.0% | 23.7% | 17.7% | 1967 | $874 | 11.5% | 90.2% | 4.3% |
| Randolph County | 2.34 | 42.1 | 13.0% | 22.7% | 9.7% | 1956 | $779 | 14.6% | 91.1% | 4.2% |
| Jefferson County | 2.35 | 44.2 | 11.5% | 29.5% | 12.4% | 1959 | $895 | 20.6% | 92.0% | 4.9% |
| Delaware County | 2.30 | 38.6 | 13.5% | 33.5% | 11.5% | 1967 | $941 | 28.3% | 90.5% | 5.8% |
All figures 2020–24.
Counties with similar populations: Mohave County, AZ · Johnston County, NC · Kalamazoo County, MI · Clermont County, OH · Clayton County, GA · Chesapeake City, VA · Cherokee County, GA · McLennan County, TX · Chatham County, GA · Merced County, CA
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 Delaware 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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