Aldeanueva del Codonal is a municipality in Spain, located in the province of Segovia within the autonomous community of Castile and León.
It is a small rural municipality. According to the 2004 census carried out by the Instituto Nacional de Estadística (INE), the municipality had a population of 194 inhabitants.
The municipality's administrative status and population figures are recorded by Spain's national statistics institute, which is the source of the census data cited above.