 About 15.6% of families and 14.1% of the population were below the poverty line, including 16.3% of those under the age of eighteen and 18.2% of those sixty five or over.According to the United States Census Bureau, the town has a total area of 0.4 square miles (1.0 km²), all of it land.New Harmony's Köppen climate classification is Csa (Hot-summer mediterranean).