In 2019, Marion County, SC had a population of 31.3k people with a median age of 40.7 and a median household income of $32,063. Between 2018 and 2019 the population of Marion County, SC declined from 31,562 to 31,308, a −0.805% decrease and its median household income declined from $33,046 to $32,063, a −2.97% decrease.
The 5 largest ethnic groups in Marion County, SC are Black or African American (Non-Hispanic) (56.5%), White (Non-Hispanic) (38.6%), Other (Hispanic) (1.33%), White (Hispanic) (1.08%), and Two+ (Non-Hispanic) (0.757%). 0% of the households in Marion County, SC speak a non-English language at home as their primary language.
98.4% 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 2019).
In 2019, the median property value in Marion County, SC was $76,700, and the homeownership rate was 66%. Most people in Marion County, SC drove alone to work, and the average commute time was 30.2 minutes. The average car ownership in Marion County, SC was 2 cars per household.