Males had a median income of ,337 versus ,090 for females. About 11.50% of families and 14.70% of the population were below the poverty line, including 21.10% of those under age 18 and 11.60% of those age 65 or over.
To the east of the Patterson Creek Valley lie a series of low hills which form the eastern border of the county with Hampshire County.
of 2010, there were 28,212 people, 10,784 households, and 7,710 families residing in the county.
Knobly Mountain lies between the New Creek and Patterson Creek valleys.
It is the longest mountain in Mineral County stretching from the Grant County line in the south to the Potomac River in the north at Ridgeley, West Virginia.
From the abandoned fire tower four states are visible, Pennsylvania, Maryland, West Virginia, and Virginia.
The Allegheny Front is the largest mountain in the county; on the north end it is also known as Green Mountain.
Nonetheless, Mineral County would not vote Democratic between 18 inclusive – although voting for Theodore Roosevelt in 1912 Mineral County is governed by a three-member commission, one member to be elected every two years to a six-year term of office.
The County Commission, as the governing body, is responsible for the fiscal affairs and general administration of county government.
The northern terminus of the Allegheny Front in West Virginia lies in Mineral County, and contains the highest point in the county.