According to theU.S. Census Bureau, the county has a total area of 420 square miles (1,100 km2), of which 416 square miles (1,080 km2) is land and 3.7 square miles (9.6 km2) (0.9%) is water.[5]
Henry 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 28,215 people, 10,934 households, and 7,883 families living in the county.[19] The population density was 67.8 inhabitants per square mile (26.2/km2). There were 11,963 housing units at an average density of 28.8 units per square mile (11.1 units/km2).[20] The racial makeup of the county was 95.2% white, 0.4% black or African American, 0.4% Asian, 0.3% American Indian, 2.4% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 6.6% of the population.[19] In terms of ancestry, 53.7% wereGerman, 10.6% wereIrish, 7.1% wereEnglish; 6.9% identified as "American".[21]
Of the 10,934 households, 33.3% had children under the age of 18 living with them, 58.2% were married couples living together, 9.3% had a female householder with no husband present, 27.9% were non-families, and 23.7% of all households were made up of individuals. The average household size was 2.55 and the average family size was 2.99. The median age was 39.8 years.[19]
The median income for a household in the county was $48,367 and the median income for a family was $58,587. Males had a median income of $44,953 versus $32,127 for females. The per capita income for the county was $22,638. About 8.0% of families and 10.6% of the population were below thepoverty line, including 13.5% of those under age 18 and 5.9% of those age 65 or over.[22]
As of thecensus[23] of 2000, there were 29,210 people, 10,935 households, and 7,960 families living in the county. Thepopulation density was 70 people per square mile (27 people/km2). There were 11,622 housing units at an average density of 28 units per square mile (11/km2). The racial makeup of the county was 95.33%White, 0.58%Black orAfrican American, 0.26%Native American, 0.42%Asian, 2.56% fromother races, and 0.85% from two or more races. 5.40% of the population wereHispanic orLatino of any race. 94.3% spokeEnglish, 3.7%Spanish and 1.7%German as their first language.
There were 10,935 households, out of which 35.20% had children under the age of 18 living with them, 61.10% weremarried couples living together, 8.10% had a female householder with no husband present, and 27.20% were non-families. 23.50% of all households were made up of individuals, and 10.40% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.10.
In the county, the population was spread out, with 27.60% under the age of 18, 8.20% from 18 to 24, 28.10% from 25 to 44, 22.10% from 45 to 64, and 14.00% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 97.60 males. For every 100 females age 18 and over, there were 93.60 males.
The median income for a household in the county was $42,657, and the median income for a family was $49,881. Males had a median income of $35,901 versus $24,076 for females. Theper capita income for the county was $18,667. About 5.30% of families and 7.00% of the population were below thepoverty line, including 9.90% of those under age 18 and 4.20% of those age 65 or over.
Prior to 1912, Henry County was a stronghold Democratic county in presidential elections. From 1912 to 1936, it was a bellwether county, but starting with the 1940 election, it has become a Republican stronghold withLyndon B. Johnson in 1964 being the lone Democrat to win since then.
United States presidential election results for Henry County, Ohio[24]
Henry County has a three-memberBoard of County Commissioners that oversee the various county departments, similar to 85 of the other 88 Ohio counties. The county commissioners are Lori Siclair, Glenn Miller, and Robert Hastedt.[26]