angola,_indiana | ispartof | steuben_county,_indiana <tsp> united_states | demonym | americans <tsp> angola,_indiana | country | united_states <tsp> united_states | ethnicgroup | asian_americans <sep> angola is a city in pleasant township, steuben county, indiana, united states the population was 8,612 at the 2010 census the city is the county seat of steuben county angola was founded by thomas gale and cornelius gilmore on june 28, 1838, and is home to trine university the town is served by i-69 and the indiana toll road (i-80 and i-90) 
angola is part of steuben county. indiana. united states. the inhabitants of the united states are known as americans and asian americans.angola is a city in pleasant township, steuben county indiana united states