Delaware County, Ohio
As of the census of 2000, there were 109989 people in the county, organized into 39674 households, and 30658 families residing in the county. The population density was 248.6 people per square mile (95.98/kmē), it is the 22nd most densely populated county in the U.S. state of Ohio. There were 42374 housing units at an average density of 95.8 per square mile (36.99/kmē). The average household size was 2.7 and the average family size was 3.09. In the county the population was spread out, with 28.2% under the age of 18, 7.6% from 18 to 24, 32.6% from 25 to 44, 23.3% from 45 to 64, and 8.2% who were 65 or older. For every 100 males there were 102.1 females. For every 100 males age 18 and over, there were 105.3 females. As of July 2008, the estimated population of the county is 165026, The racial or ethnic makeup of the county was 148981 White, 6698 Black or African American, 242 American Indian, 6759 Asian, 49 Native Hawaiian, and 2297 from two or more races.
The median income for a household in the county was $67258, making it the highest county by median household income in Ohio. The median income for a family in the county was $76453, it is the wealthiest county in terms of median family income. The per capita income for the county was $31600, making its Ohio's highest county by per capita income.
In 2000, 30948 pupils and students, of which 50.09% are male and 49.91% are female, 28.14% of the total population, are in the education system. Of which, percentage of enrollment student are in, 9.04% nursery or pri school, 5.96% kindergarten, 45.1% elementary school, 20.1% high school and 19.79% College graduate school.
| Rank | City | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ashley Village | Delaware County | 0.54 | 0.54 | 0 | 1216 | 2241.4 | 15513 | 39239 |
| 2 | Columbus City | Delaware County, Fairfield County, Franklin County | 212.55 | 210.27 | 2.28 | 711470 | 3383.6 | 20450 | 37897 |
| 3 | Delaware City | Delaware County | 15.1 | 15 | 0.1 | 25243 | 1682.9 | 20633 | 46030 |
| 4 | Galena Village | Delaware County | 0.64 | 0.6 | 0.05 | 305 | 509.8 | 20163 | 46250 |
| 5 | Ostrander Village | Delaware County | 0.33 | 0.33 | 0 | 405 | 1218.5 | 27751 | 49583 |
| 6 | Powell Village | Delaware County | 3.04 | 3.04 | 0 | 6247 | 2057.3 | 46257 | 115904 |
| 7 | Shawnee Hills Village | Delaware County | 0.39 | 0.39 | 0 | 419 | 1081.3 | 25266 | 52222 |
| 8 | Sunbury Village | Delaware County | 2.54 | 2.54 | 0 | 2630 | 1035 | 18861 | 46477 |
| 9 | Dublin City | Franklin County, Delaware County, Union County | 21.14 | 21.12 | 0.02 | 31392 | 1486.1 | 41122 | 91162 |
| 10 | Westerville City | Franklin County, Delaware County | 12.39 | 12.39 | 0 | 35318 | 2851.1 | 29401 | 69135 |
| Year | Population |
|---|---|
| April 2000 census | 109989 |
| April 2000 Estimate | 109989 |
| July 2000 Estimate | 111710 |
| July 2001 Estimate | 119083 |
| July 2002 Estimate | 126988 |
| July 2003 Estimate | 134874 |
| July 2004 Estimate | 141936 |
| July 2005 Estimate | 149334 |
| July 2006 Estimate | 155315 |
| July 2007 Estimate | 160358 |
| July 2008 Estimate | 165026 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 1463 | 1335 | 2798 |
| Kindergarten | 946 | 898 | 1844 |
| Elementary school | 7103 | 6855 | 13958 |
| High school | 3114 | 3108 | 6222 |
| College or graduate school | 2877 | 3249 | 6126 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Delaware County, Ohio | $67258 | $76453 | $31600 |
| Ohio, United States | $40956 | $50037 | $21003 |
| United States | $41994 | $50046 | $21587 |