Rastojca (Macedonian Cyrillic: Растојца) is a village in the municipality of Demir Hisar, North Macedonia. 
Demographics.
In the 1467/1468 defter the village had 24 households, 2 bachelors and 2 widows. The household heads almost entirely bore Slavic names, with a minority having Albanian names. 
In statistics gathered by Vasil Kanchov in 1900, the village of Rastojca was inhabited by 170 Christian Bulgarians.
According to the 2002 census, the village had a total of 19 inhabitants. Ethnic groups in the village include: