In 2023, Marion County, SC had a population of 28.9k people with a median age of 43 and a median household income of $34,501. Between 2022 and 2023 the population of Marion County, SC declined from 29,212 to 28,900, a −1.07% decrease and its median household income declined from $35,972 to $34,501, a −4.09% decrease.
The 5 largest ethnic groups in Marion County, SC are Black or African American (Non-Hispanic) (55.7%), White (Non-Hispanic) (38.4%), Two+ (Non-Hispanic) (2.74%), Other (Hispanic) (2.22%), and American Indian & Alaska Native (Non-Hispanic) (0.339%).
None of the households in Marion County, SC reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.6% of the residents in Marion County, SC are U.S. citizens.
The largest universities in Marion County, SC are Academy for Careers and Technology (15 degrees awarded in 2022).
In 2023, the median property value in Marion County, SC was $86,800, and the homeownership rate was 62.2%.
Most people in Marion County, SC drove alone to work, and the average commute time was 28.6 minutes. The average car ownership in Marion County, SC was 2 cars per household.
Marion County, SC borders Dillon County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, and Williamsburg County, SC.