 The per capita income for the county was $24,619.About 7.90% of families and 10.50% of the population were below the poverty line, including 13.60% of those under age 18 and 9.40% of those age 65 or over.Kendall County constitutes an anomaly in Texas politics because it is a historically Republican county in a state that was overwhelmingly Democratic at the presidential level until the 1950s and at other levels until the 1960s.