Moore is a city in Butte County, Idaho, United States. The population was 162 at the 2020 census. Moore is located at 43°44′8″N 113°22′1″W / …Moore is a city in Butte County, Idaho, United States. The population was 162 at the 2020 census. Moore is located at 43°44′8″N 113°22′1″W / 43.73556°N 113.36694°W. According to the United States Census Bureau, the city has a total area of 0.29 square miles, all of it land.