Green Springs is a village in Sandusky and Seneca counties in the U.S. state of Ohio. The population was 1,233 at the 2020 census. The Greā¦Green Springs is a village in Sandusky and Seneca counties in the U.S. state of Ohio. The population was 1,233 at the 2020 census. The Green Springs area was originally inhabited by the Kaskaskia and Miami Nation.