This paper presents an AI-driven analytical framework for exploring and interpreting large-scale demographic data from the Census of India 2011 through interactive visual analytics. Given the massive scale and complexity of census datasets, traditional static analysis methods often fail to uncover meaningful socio-economic patterns. To address this challenge, the proposed system integrates machine learning, probabilistic modeling, and reinforcement learning techniques to transform raw census data into actionable demographic intelligence. The framework employs Python-based data processing tools such as Pandas, NumPy, and GeoPandas for efficient preprocessing and feature engineering. Machine learning models, including clustering algorithms and neural networks, are utilized to identify population density patterns, literacy disparities, gender imbalance, and regional socio-economic variations. Hidden Markov Models (HMMs) are applied to predict latent demographic states and future transitions, while reinforcement learning models such as Deep Q-Networks (DQN) and DDPG enable adaptive and long-term demographic planning strategies. An interactive visualization layer built using Streamlit, Plotly, and geospatial mapping tools allows users to dynamically explore census insights through real-time filtering, comparative analytics, and spatial visualizations. Performance evaluations demonstrate that the system reliably detects demographic irregularities while maintaining strong accuracy, precision, and recall. This work highlights the potential of artificial intelligence to modernize census interpretation and support data-driven governance. The proposed approach can be extended to future census datasets and national surveys, providing policymakers, researchers, and planners with scalable tools for demographic forecasting, equitable resource allocation, and sustainable socio-economic development.