Oak Hill, Ohio

• 1814 - First settler, Peter Seel[6]
• 1818 - First Welsh settlers
• 1819 - Organization of the Union Baptist Church[7]
• 1835 - Organization of the Moriah "Mother Church"
• 1837 - Establishment of the post office
• 1837 - Organization of Horeb Church
• 1839 - Beginning of Welsh immigration
• 1841 - Organization of Bethel Church
• 1841 - Organization of Congregational Church
• 1843 - Organization of Sardis Church
• 1843 - Organization of the Welsh Calvinistic Methodist Church (United Presbyterian Church)
• 1853 - Construction of Jefferson Furnace
• 1856 - Organization of Gallia Baptist Church
• 1866 - Establishment of Portland Masonic Lodge No. 366
• 1873 - Incorporation of the village
• 1880 - Creation of the Oak Hill Morgan Academy
• 1881 - First Newspaper Created
• 1891 - Creation of the Farmers' Bank
• 1873 - Incorporation of the Aetna Fire Brick and Coal Company
• 1873 - Incorporation of the Oak Hill Fire Brick Company
• 1898 - Incorporation of the Ohio Fire Brick Company
• 1893 - Formation of the Oak Hill Local Union School District

As of the census[3] of 2010, there were 1,551 people, 624 households, and 386 families living in the village. The population density was 1,360.5 inhabitants per square mile (525.3/km²). There were 687 housing units at an average density of 602.6 per square mile (232.7/km²). The racial makeup of the village was 97.5% White, 0.5% African American, 0.2% Native American, 0.3% Asian, and 1.6% from two or more races. Hispanic or Latino of any race were 0.3% of the population.

As of 2010 the largest self-identified ancestry/ethnic groups in Oak Hill were:

• American 12.8%
• German 10.8%
• Welsh 10.3%
• Irish 5.7%
• English 5.4%
• French 1.2%
• Scots-Irish 1.1%[11]

There were 624 households, of which 32.1% had children under the age of 18 living with them, 43.8% were married couples living together, 14.1% had a female householder with no husband present, 4.0% had a male householder with no wife present, and 38.1% were non-families. 31.4% of all households were made up of individuals, and 15.8% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 3.12.

The median age in the village was 36.3 years. 25.2% of residents were under the age of 18; 10% were between the ages of 18 and 24; 24.4% were from 25 to 44; 25.4% were from 45 to 64; and 15% were 65 years of age or older. The gender makeup of the village was 47.6% male and 52.4% female.

As of the census[5] of 2000, there were 1,685 people, 673 households, and 458 families living in the village. The population density was 1,474.5 people per square mile (570.7/km²). There were 739 housing units at an average density of 646.7 per square mile (250.3/km²). The racial makeup of the village was 98.28% White, 0.24% African American, 0.42% Native American, 0.24% Asian, 0.12% from other races, and 0.71% from two or more races. Hispanic or Latino of any race were 0.12% of the population.

There were 673 households, out of which 34.3% had children under the age of 18 living with them, 49.2% were married couples living together, 14.6% had a female householder with no husband present, and 31.8% were non-families. 27.8% of all households were made up of individuals, and 13.7% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.95.

In the village, the population was spread out, with 25.3% under the age of 18, 8.7% from 18 to 24, 29.6% from 25 to 44, 19.8% from 45 to 64, and 16.6% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 82.0 males. For every 100 females age 18 and over, there were 78.4 males.

The median income for a household in the village was $28,289, and the median income for a family was $31,898. Males had a median income of $28,750 versus $20,438 for females. The per capita income for the village was $13,580. About 14.2% of families and 20.6% of the population were below the poverty line, including 29.4% of those under age 18 and 24.7% of those age 65 or over.