Kostinci () is a village in the municipality of Dolneni, North Macedonia.

Demographics According to the 2021 census, the village had a total of 72 inhabitants. Ethnic groups in the village include:Macedonian Census (2021), Book 5 - Total population according to the Ethnic Affiliation, Mother Tongue and Religion, The State Statistical Office, Skopje, 2021.

Macedonians 71 Others 1 YearMacedonianAlbanianTurksRomaniVlachsSerbsBosniaksPersons for whom data are taken from admin. sourcesTotal2002101.....................101202171..................172

References