Richburg cost of living score 80.7 Less expensive 19.3% lower than the US average 9.6% lower than the South Carolina average Richburg, South Carolina gets a BestPlaces Cost of Living score of 80.7, which means the total cost of housing, food, childcare, transportation, healthcare, taxes, and other necessities is 19.3% lower than the U.S. average and 9.6% higher than the average for South Carolina.