Jun 29, 2012 - Postcard. ca. 1935. \t \tAir view of Council Bluffs, Iowa. Council Bluffs, located in Southwestern Iowa, near the geographical center of the U. S. A. has a population of nearly 50,000. Its history goes back to 1804 when Lewis and Clark held council with the Indians on the high bluffs overlooking the Missouri River.