About Delaware County...

Demographic Trends

Delaware County’s population growth over the past several decades has transformed the county. The county’s estimated 2013 population of 184,979 is more than three times the 53,840 in 1980. According projections by the Ohio Development Services Agency, population will increase another 100,000 by 2040, reaching 282,000.
Delaware County Historical and Projected Population, 1980-2040

Population Estimates Program

Source: Population Estimates Program, U.S. Census Bureau; Jian He, “Population Projections by Age and Sex,” Ohio Development Services Agency, March 2013.

Delaware County’s population growth steadily accelerated through the 1980s and 1990s, peaking at slightly more than 6% per year between 2001 and 2003.  This was not only the fastest growth rate in Ohio, it was one of the fastest of all counties in the U.S.  Population growth slowed in following years, reaching 2.09% growth in 2012-2013 – still three times the national average growth rate.

Delaware County’s population is more heavily tilted toward children younger than 15 and individuals in their prime working years of 25 to 54. Only 9.5% of Delaware County’s population is 65 or older, compared to 10.9% of the population of the Columbus Region, 13% of the population of the U.S., and 14.1% of the population of Ohio.

Age Distribution, Delaware County, Columbus Region, Ohio, and U.S., 2010

Age Distribution, Delaware County, Columbus Region, Ohio, and U.S., 2010

Source: 2010 Census, U.S. Census Bureau.

Delaware County’s minority population is only 11.6% of the county’s total population – 40% less than the Ohio proportion, half the proportion of the Columbus Region and less than one third the proportion at the national level. However, the county’s population is becoming more diverse.

Minority population grew far more rapidly than average during the last decade, in the Columbus Region as well as in Delaware County. The county’s minority population growth provided more than one-fifth of total population growth, with the growth of the Asian population in turn making up more than 40% of minority population growth.

More than half of all Delaware County adults – 57.2% – hold a college degree, compared to 39% for the Columbus Region, 36.4% for the U.S., and 32.8% for Ohio.