 The per capita income for the city was $15,828.About 4.1% of families and 8.4% of the population were below the poverty line, including 6.8% of those under age 18 and 12.8% of those age 65 or over.Hendricks is on the northern edge of the Buffalo Ridge Wind Farm, which is one of the largest in the United States offsetting more than 1 billion pounds of carbon dioxide and 450,000 pounds of coal.