Semidomka () is a rural locality (a selo) in Semidomsky Selsoviet of Konstantinovsky District, Amur Oblast, Russia. The population was 281 as of 2018.Оценка численности постоянного населения Амурской области по городам и районам There are 10 streets.
Geography Semidomka is located 26 km northwest of Konstantinovka (the district's administrative centre) by road. Kovrizhka is the nearest rural locality.Расстояние от Семидомки до Константиновки
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