Welcome to Wabash, Indiana, the first electrically lighted city in the world. Take a moment to explore this site, and you’ll find that the unique blend of our family-friendly atmosphere, historic and cultural amenities and progressive business outlook make Wabash a great place to raise a family, take a vacation, or start a business. Wabash is a city in Noble Township, Wabash County, in the U.S. state of Indiana. The population was 10,666 at the 2010 census. The city is the county seat of Wabash County