Barlow township is located in Washington County, Ohio. Barlow township has a 2026 population of 2,521. Barlow township is currently declining at a rate of -0.32% annually and its population has decreased by -2.4% since the most recent census, which recorded a population of 2,583 in 2020.
The median household income in Barlow township is $80,130 with a poverty rate of 9.24%. The median age in Barlow township is 36.2 years: 40.4 years for males, and 26.5 years for females. For every 100 females there are 90.9 males.