Following the 2015 merger with the neighboring city of Zheleznodorozhny, Balashikha became the most populous city in the Moscow Oblast. The demographics reflect a typical Central Russian urban profile.
| Demographic Category | Estimated Distribution (Moscow Oblast Averages) | | :--- | :--- | | **Total Population** | ~520,000+ (2021 Census data) | | **Ethnic Composition**| Predominantly Russian (~90%), followed by Tatar, Ukrainian, and Armenian minorities. | | **Primary Language** | Russian (official) | | **Major Religion** | Orthodox Christianity (majority), Islam (minority), Secular/Non-religious. | | **Age Distribution** | 0-14: ~16% \| 15-64: ~68% \| 65+: ~16% |