sentences:  The per capita income for the county was $24,587.About 9.2% of families and 13.6% of the population were below the poverty line, including 16.7% of those under age 18 and 10.6% of those age 65 or over.Within the Myst and series of computer games, Eddy County is the location of The Cleft, a fissure near a dormant volcano leading down to the large D'ni Cavern.