Gaffney is a city located in South Carolina. With a 2020 population of 12,666, it is the 33rd largest city in South Carolina and the 2604th largest city in the United States. Gaffney is currently growing at a rate of 0.45% annually and its population has increased by 2.03% since the most recent census, which recorded a population of 12,414 in 2010. Gaffney reached it's highest population of 13,453 in 1980. Spanning over 8 miles, Gaffney has a population density of 1,517 people per square mile.
The average household income in Gaffney is $42,399 with a poverty rate of 25.71%. The median rental costs in recent years comes to $689 per month, and the median house value is $111,100. The median age in Gaffney is 35 years, 33.7 years for males, and 36.1 years for females. For every 100 females there are 93.5 males.