Rensselaer, IN is a city located in Jasper County, Indiana and has a land area of 263.74 square miles (683.08 km2). The water area for the city is 0.24 square miles or 0.62 km2. There is one unique zip code in Rensselaer, Indiana and it is 47978. The area code(s) for Rensselaer is 219.
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