People in Bloomington mostly speak in English. However, as it is a college town, people from all across the globe come here to pursue education and conduct research. So, most often though a person speaks fluently in English they have very different mother tongue. Also, Indiana University Bloomington teaches the most number of languages across all universities in the USA (83 different languages) thereby making it one of the most linguistically diverse campuses in the USA.
The currency used here is United States Dollars (USD/$). The dollar bills (notes) are green-colored paper notes and is used for business and transaction across the country.
A normal bottle of water costs between $1.3-1.6. However, in the USA, drinking water is most widely available and mostly any tap-water across the country can be used for drinking purposes unlike most of the countries in the world.