David Phelps holds a foundational background rooted in education and public service. Graduating from Southern Illinois University, he began his career as an educator and later transitioned into school administration. Phelps served as Saline County Clerk and Recorder before becoming a member of the Illinois House of Representatives. His tenure in Congress followed, marked by a shift in district boundaries and a subsequent electoral loss. Post-Congress, Phelps returned to local governance as a member of the Saline County Board. His career reflects a blend of educational leadership and public administration.

David Phelps's political identity is marked by a unique blend of moderate economic policies with socially conservative positions. His Blue Dog Democrat stance on economic matters contrasts sharply with his staunch anti-abortion and pro-gun rights views, creating an intriguing ideological juxtaposition. Phelps's role as a professional songwriter and gospel singer, combined with his involvement in religious events like the Congressional Weekly Prayer Breakfast, adds a distinctive personal dimension to his political persona. His legislative record reveals unexpected alliances on environmental regulations, hinting at a calculated strategy to balance regional industrial interests with broader policy goals.