Gaffney is a city located in South Carolina. With a 2020 population of 12,303, it is the 36th largest city in South Carolina and the 2667th largest city in the United States. Gaffney is currently declining at a rate of -0.82% annually and its population has decreased by -0.89% 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 1,474 people per square mile.
The average household income in Gaffney is $40,578 with a poverty rate of 26.28%. The median rental costs in recent years comes to $621 per month, and the median house value is $107,200. The median age in Gaffney is 35.8 years, 34.8 years for males, and 36.4 years for females. For every 100 females there are 94.2 males.