South Kilbourne, a neighborhood in Columbia, South Carolina, exhibits a Racial Plurality with a White plurality of 51% as of 2022. The community has experienced significant demographic shifts over the past decade, transitioning from a more diverse composition to its current state. Economically, the neighborhood has seen fluctuations in median income, with a notable increase in recent years. South Kilbourne's proximity to Fort Jackson, the U.S. Army's largest training base, likely influences its demographic and economic dynamics.

In 2013, South Kilbourne had Moderate Diversity, with White (45%) and Black (37%) populations being the largest groups. From 2014 to 2016, the area shifted towards a White Majority, with the White population exceeding 50%. From 2017 to 2019, the community reverted to a Moderate Diversity status. From 2020 to 2022, the neighborhood settled into a White Plurality, with the White population at approximately 51% and other groups gaining representation.

The median income in South Kilbourne has shown a general upward trend with fluctuations. From 2013 to 2015, there was a decline from $25,880 to $21,355. From 2016 to 2018, there was a sharp increase to $35,384, coinciding with the period of White Majority. From 2019 to 2022, income remained relatively stable around $33,000-$34,000, aligning with the transition to a more diverse racial composition.