Event Organizers City of Sumner Incorporated in 1891, the City of Sumner provides needed and valued services that promote our sense of community. We seek to set the standard of excellence for a progressive small city. Upcoming Events Music Off Main: Global Heat Fri, July 11, 2025, 06:30 PM - 08:00 PM View Details Share this: Click to print (Opens in new window) Print Click to share on X (Opens in new window) X More Click to share on Facebook (Opens in new window) Facebook Click to share on Pinterest (Opens in new window) Pinterest