The map below shows the diversity in Merrillville. The areas in green are more diverse, while the areas in red are much less diverse. Diversity, in this case, means a mix of people of different races and ethnicities who live close to each other. For example, the all-black and white areas of the city would be considered to lack diversity.
With the most popular demographics of the most current 26%, it's the perfect starting point for your research on Merrillville and the rest of Indiana.