Demkivtsi is a village in Khmelnytskyi Raion, in Khmelnytskyi Oblast, Ukraine. Demkivtsi lies at 318 m above sea level. The nearest city is Starokostiantyniv, 9.7 km to the south. Among the landmarks around are Samchyky Palace and Park Ensemble (13.4 km), Starokostiantyniv Castle (9.4 km) and Dominican monastery in Starokostiantyniv (10.0 km).

Also written Демківці.