Otto Krueger was born to German parents in the Volinia district of southwest Russia and later immigrated to the United States, settling in North Dakota. He served in the Infantry during World War I and held various public service roles in North Dakota, including county auditor, school district clerk, state treasurer, and insurance commissioner. Krueger also served as a Republican in Congress and as the party treasurer. After his time in Congress, he pursued careers in accounting and farming in California.

Otto Krueger's political career reveals a complex ideological positioning, notably his support for the Civil Rights Act of 1957 despite his Republican affiliation, suggesting a willingness to transcend partisan divides for certain issues. His legislative record indicates a strategic alignment with opposing factions on environmental regulations, hinting at a highly localized approach that prioritizes regional industrial interests. Krueger's rhetorical style seems to emphasize calculated policy choices over rigid ideological adherence, making his political identity both intriguing and multifaceted.