Over the year to Q2 2026, the fastest-appreciating of Delaware's 3 3-digit ZIP regions was ZIP3 197 (Newark, DE area) at +4.0%, based on FHFA HPI® data. 0 of 3 regions outpaced the statewide change of +4.0%; the U.S. changed +3.0%.
What is the fastest-appreciating ZIP code area in Delaware?
Over the past year, ZIP3 197 (Newark, DE area) led Delaware at +4.0%. Over five years the leader was ZIP3 198 (Wilmington, DE area) at +44.5%, and since Q1 1995 it was ZIP3 199 (Dover, DE area) at +281%.
Why are rankings by 3-digit ZIP and not 5-digit ZIP?
FHFA publishes its quarterly ZIP-level index for 3-digit ZIP regions, which group all ZIP codes sharing the same first three digits. Each region covers many communities, so results describe broad regional trends rather than any one neighborhood or home.