The total population of Richburg is estimated to be 354 with 155 males (43.79%) and 199 females (56.21%). There are 44 more females than males in Richburg.
In 2022, the population of Richburg was 273, a 1.09% decrease year-by-year from 2021. Previously, in 2021, Richburg's population was 276, a decline of 1.08% compared to a population of 279 in 2020.
The median age in Richburg, SC is 58.2, as per 2021 ACS 5-Year Estimates. Of the total population, 5.02% were under the age of 15, 20.74% aged 15 to 29, 36.79% aged 30 to 64, 36.12% aged 65 to 84, and 1.34% were 85 years of age and older.