A lower vehicle-body structure of an electric vehicle configured to use output from a rotary electric machine as a drive force, comprising: a pair of left and right side sills extending in a vehicle front-rear direction; a substantially flat floor panel disposed between the side sills; a first floor cross member disposed on an upper surface of the floor panel located below a front part of a front seat and connecting the left and right side sills in a vehicle-width direction; a second floor cross member disposed on an upper surface of the floor panel located below a rear part of the front seat and connecting the left and right side sills in the vehicle-width direction; a kick-up portion raised from a rear end of the floor panel toward a vehicle upper side; and a console support bracket that has a front part connected to a vehicle body on a vehicle front side and a rear part connected to the kick-up portion, and configured to support a center console, a lower part of the console support bracket being secured to the first floor cross member and the second floor cross member, wherein the console support bracket includes a pair of left and right bracket side walls facing each other in the vehicle-width direction and a bracket upper surface connecting upper ends of the bracket side walls, and has a substantially inverted U-shaped vertical section along the vehicle-width direction, the lower vehicle-body structure characterized in further comprising a kick-up reinforcing portion connecting a substantial middle of the kick-up portion in the vehicle-width direction and the floor panel in front of the substantial middle of the kick-up portion, wherein the kick-up reinforcing portion integrally includes a pair of left and right side walls facing each other in the vehicle-width direction, a front wall connecting front ends of the side walls, and an upper surface connecting upper ends of the side walls, the bracket upper surface of the console support bracket is fastened to the upper surface of the kick-up reinforcing portion, and the bracket side walls of the console support bracket are fastened to the side walls of the kick-up reinforcing portion. a pair of left and right side sills extending in a vehicle front-rear direction; a substantially flat floor panel disposed between the side sills; a first floor cross member disposed on an upper surface of the floor panel located below a front part of a front seat and connecting the left and right side sills in a vehicle-width direction; a second floor cross member disposed on an upper surface of the floor panel located below a rear part of the front seat and connecting the left and right side sills in the vehicle-width direction; a kick-up portion raised from a rear end of the floor panel toward a vehicle upper side; and a console support bracket that has a front part connected to a vehicle body on a vehicle front side and a rear part connected to the kick-up portion, and configured to support a center console, a lower part of the console support bracket being secured to the first floor cross member and the second floor cross member, wherein the console support bracket includes a pair of left and right bracket side walls facing each other in the vehicle-width direction and a bracket upper surface connecting upper ends of the bracket side walls, and has a substantially inverted U-shaped vertical section along the vehicle-width direction, the lower vehicle-body structure characterized in further comprising a kick-up reinforcing portion connecting a substantial middle of the kick-up portion in the vehicle-width direction and the floor panel in front of the substantial middle of the kick-up portion, wherein the kick-up reinforcing portion integrally includes a pair of left and right side walls facing each other in the vehicle-width direction, a front wall connecting front ends of the side walls, and an upper surface connecting upper ends of the side walls, the bracket upper surface of the console support bracket is fastened to the upper surface of the kick-up reinforcing portion, and the bracket side walls of the console support bracket are fastened to the side walls of the kick-up reinforcing portion.