From Wiktionary, the free dictionary
From non- + homeowner.
nonhomeowner (plural nonhomeowners)
- One who is not a homeowner.
2007 August 20, David Leonhardt, “Debt and Spending May Slow as Housing Falters, Fed Suggests”, in New York Times[1]:Among nonhomeowners, the debt-to-income ratio has not risen significantly since the early ’80s, the authors said.