Harmony township is located in Clay County, Indiana. Harmony township has a 2026 population of 506. Harmony township is currently declining at a rate of -0.98% annually and its population has decreased by -1.75% since the most recent census, which recorded a population of 515 in 2020.
The median household income in Harmony township is $48,750 with a poverty rate of 3.59%. The median age in Harmony township is 52.9 years: 64.7 years for males, and 39.9 years for females. For every 100 females there are 185.2 males.