About Us. There are 95 officially recognized neighborhoods in Portland. Each is represented by a volunteer-based neighborhood association which serves as a liaison between residents of the neighborhood and city government, as coordinated by the city's Office of Neighborhood Involvement (ONI). HINoon supports and promotes a culture of civic engagement by connecting ,supporting and working with all Portlanders and with government to build inclusive, safe and livable neighborhoods and communities. HiNoon is 501(c)(3) non-profit organization.