A vehicle bumper structure including a pressure tube-type pedestrian collision detection sensor, the vehicle bumper structure comprising: a bumper reinforcement having a length direction that is disposed along a vehicle width direction at an end section in a vehicle front-rear direction; a pressure tube-type pedestrian collision detection sensor that is configured including a pressure tube that extends along the vehicle width direction at a vehicle front-rear direction outer side of the bumper reinforcement, and that outputs a signal according to a change in pressure of the pressure tube; and an upper absorber that is fixed to the bumper reinforcement, wherein the upper absorber includes: an absorber main body that is disposed at the vehicle front-rear direction outer side of the bumper reinforcement and fixed, either directly or via another member, to a vehicle front-rear direction outer face on an upper portion of the bumper reinforcement, an absorber upper end portion that is integrally provided with a vehicle upper side of the absorber main body, and includes a projecting portion that projects with respect to the absorber main body toward a vehicle front-rear direction inner side of the bumper reinforcement at the vehicle upper side (20U, 80U) of the bumper reinforcement or the another member fixing the absorber main body, and a groove portion that is formed at a vehicle front-rear direction inner side portion of the absorber main body, that is disposed adjacent to the vehicle lower side of the absorber upper end portion, that is open toward the vehicle front-rear direction inner side or the vehicle lower side, and that retains the pressure tube, wherein the groove portion is disposed adjacent to the lower side of the absorber upper end portion, the side face of the groove portion is thereby aligned with a lower face of the absorber upper end portion, and a lower face of the projecting portion and the side face are disposed in the same plane. a bumper reinforcement having a length direction that is disposed along a vehicle width direction at an end section in a vehicle front-rear direction; a pressure tube-type pedestrian collision detection sensor that is configured including a pressure tube that extends along the vehicle width direction at a vehicle front-rear direction outer side of the bumper reinforcement, and that outputs a signal according to a change in pressure of the pressure tube; and an upper absorber that is fixed to the bumper reinforcement, wherein the upper absorber includes: an absorber main body that is disposed at the vehicle front-rear direction outer side of the bumper reinforcement and fixed, either directly or via another member, to a vehicle front-rear direction outer face on an upper portion of the bumper reinforcement, an absorber upper end portion that is integrally provided with a vehicle upper side of the absorber main body, and includes a projecting portion that projects with respect to the absorber main body toward a vehicle front-rear direction inner side of the bumper reinforcement at the vehicle upper side (20U, 80U) of the bumper reinforcement or the another member fixing the absorber main body, and a groove portion that is formed at a vehicle front-rear direction inner side portion of the absorber main body, that is disposed adjacent to the vehicle lower side of the absorber upper end portion, that is open toward the vehicle front-rear direction inner side or the vehicle lower side, and that retains the pressure tube, an absorber main body that is disposed at the vehicle front-rear direction outer side of the bumper reinforcement and fixed, either directly or via another member, to a vehicle front-rear direction outer face on an upper portion of the bumper reinforcement, an absorber upper end portion that is integrally provided with a vehicle upper side of the absorber main body, and includes a projecting portion that projects with respect to the absorber main body toward a vehicle front-rear direction inner side of the bumper reinforcement at the vehicle upper side (20U, 80U) of the bumper reinforcement or the another member fixing the absorber main body, and a groove portion that is formed at a vehicle front-rear direction inner side portion of the absorber main body, that is disposed adjacent to the vehicle lower side of the absorber upper end portion, that is open toward the vehicle front-rear direction inner side or the vehicle lower side, and that retains the pressure tube, wherein the groove portion is disposed adjacent to the lower side of the absorber upper end portion, the side face of the groove portion is thereby aligned with a lower face of the absorber upper end portion, and a lower face of the projecting portion and the side face are disposed in the same plane.