While there is a Puerto Rican demographic throughout all of Holyoke today, as of 2018 the neighborhoods of South Holyoke, The Flats, and Churchill were among those areas with the largest Puerto Rican populations proportionally, all having more than 75% residents of Puerto Rican heritage, with 83.5% of all South Holyoke's residents being of Puerto Rican heritage. Despite efforts to create more equitable housing from a variety of nonprofit groups, as of 2018, South Holyoke had the highest percentage of renter-occupied housing in any neighborhood outside of Boston, with an average of 1.5% owner-occupied households across the neighborhood's two census block groups.
