Pedestrians on left.

Iowa Code § 321.326, under MOTOR VEHICLES AND LAW OF THE ROAD.

Iowa Code § 321.326

Pedestrians shall at all times when walking on or along a highway, walk on the left side of such highway. [C39, § 5027.02; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.326 ] Referred to in §321O.4 , 805.8A(9)(f) For applicable scheduled fine, see §805.8A , subsection 9