Idalou is a city in Lubbock County, Texas, United States. It is located 7 miles northeast of Lubbock near the intersection of Farm to Market Road 400 and US 62/US 82/SH 114. The population was 2,157 at the 2000 census. It is part of the Lubbock Metropolitan Statistical Area.
Idalou is located at 33°39′43″N 101°41′3″W / 33.66194°N 101.68417°W / 33.66194; -101.68417 (33.661938, -101.684234).
According to the United States Census Bureau, the city has a total area of 1.0 square miles (2.5 km²), all of it land.