According to theU.S. Census Bureau, the county has a total area of 407 square miles (1,050 km2), of which 406 square miles (1,050 km2) is land and 1.1 square miles (2.8 km2) (0.3%) is water.[5] Morrow County is considered to be a part of "Mid Ohio."
Morrow County, Ohio – Racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
As of the2010 United States census, there were 34,827 people, 12,855 households, and 9,578 families living in the county.[20] The population density was 85.8 inhabitants per square mile (33.1/km2). There were 14,155 housing units at an average density of 34.9 units per square mile (13.5 units/km2).[21] The racial makeup of the county was 97.7% white, 0.3% Asian, 0.1% American Indian, 0.2% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 1.1% of the population.[20] In terms of ancestry, 30.8% wereGerman, 16.1% wereAmerican, 14.4% wereIrish, and 13.3% wereEnglish.[22]
Of the 12,855 households, 35.1% had children under the age of 18 living with them, 59.5% were married couples living together, 9.5% had a female householder with no husband present, 25.5% were non-families, and 20.7% of all households were made up of individuals. The average household size was 2.68 and the average family size was 3.08. The median age was 39.5 years.[20]
The median income for a household in the county was $49,891 and the median income for a family was $55,980. Males had a median income of $41,096 versus $32,911 for females. The per capita income for the county was $20,795. About 7.5% of families and 10.8% of the population were below thepoverty line, including 13.9% of those under age 18 and 9.5% of those age 65 or over.[23]
As of thecensus[24] of 2000, there were 31,628 people, 11,499 households, and 8,854 families living in the county. The population density was 78 inhabitants per square mile (30/km2). There were 12,132 housing units at an average density of 30 units per square mile (12/km2). The racial makeup of the county was 98.37%White, 0.27%Black orAfrican American, 0.30%Native American, 0.15%Asian, 0.18% fromother races, and 0.74% from two or more races. 0.58% of the population wereHispanic orLatino of any race.
There were 11,499 households, out of which 35.60% had children under the age of 18 living with them, 64.60% weremarried couples living together, 8.10% had a female householder with no husband present, and 23.00% were non-families. 19.00% of all households were made up of individuals, and 7.90% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.09.
In the county, the population was spread out, with 27.30% under the age of 18, 7.60% from 18 to 24, 29.30% from 25 to 44, 24.30% from 45 to 64, and 11.50% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 99.40 males. For every 100 females age 18 and over, there were 98.00 males.
The median income for a household in the county was $40,882, and the median income for a family was $45,747. Males had a median income of $33,129 versus $22,454 for females. Theper capita income for the county was $17,830. About 6.60% of families and 9.00% of the population were below thepoverty line, including 12.40% of those under age 18 and 7.10% of those age 65 or over.