This work conducts a numerical analysis to estimate the load-carrying capacity of double-skin concrete-filled steel tubular columns with longitudinal reinforcing bars (CCFDST) subjected to uni-axial compressive loading. Finite element (FE) models for reinforced concrete-filled steel tubular columns (RCFST) and concrete-filled dual steel tubular columns (CFDST) were developed using ABAQUS software. These models were verified by comparing their predictive results with testing data, confirming the accuracy of the FE modeling approach. Based on this modeling approach, the developed FE model for the CCFDST column was then used to assess its axial compression capacity, considering various reinforcement ratios and steel tube thicknesses. The findings show that longitudinal reinforcement bars significantly improve both the ultimate load and ductility of the CCFDST columns. Additionally, it is confirmed that the thickness of the external steel tube plays a crucial role in enhancing column capacity, while the internal tube thickness has a minimal impact. The analysis further indicates a linear relationship between column strength and tube thickness.