In 2021, Marion County, SC had a population of 29.6k people with a median age of 41.2 and a median household income of $34,465. Between 2020 and 2021 the population of Marion County, SC declined from 30,954 to 29,585, a −4.42% decrease and its median household income grew from $30,791 to $34,465, a 11.9% increase.
The 5 largest ethnic groups in Marion County, SC are Black or African American (Non-Hispanic) (56.6%), White (Non-Hispanic) (38.2%), Other (Hispanic) (2.15%), Two+ (Non-Hispanic) (1.28%), and American Indian & Alaska Native (Non-Hispanic) (0.69%).
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.
99% of the residents in Marion County, SC are U.S. citizens.
The largest universities in Marion County, SC are Academy for Careers and Technology (14 degrees awarded in 2021).
In 2021, the median property value in Marion County, SC was $82,100, and the homeownership rate was 60.7%.
Most people in Marion County, SC drove alone to work, and the average commute time was 30.6 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.