Sussex County, Delaware ZIP code

ZIP code 19971, Sussex County, Delaware: parcels and places

As of 2026-08-09, SussexCounty.ai counts 10,495 tax parcels covering 5,865.5 mapped acres in ZIP code 19971, Sussex County, Delaware. The parcels fall in Rehoboth Beach, Dewey Beach, and Henlopen Acres, plus unincorporated county land. Of the parcels, 70.4 percent lie outside every incorporated town.

ZIP code 19971 at a glance

MeasureValue
Tax parcels10,495
Mapped acres5,865.5
Median parcel acres0.237
Unit count sum7,138
Parcels outside every town (unincorporated)70.4%
Parcels inside a town29.6%
Top towns by parcelsRehoboth Beach (2,097), Dewey Beach (793), Henlopen Acres (213)

Figures are as of 2026-08-09. Counts of 1 to 4 are shown as "<5". Towns with fewer than 5 parcels in this ZIP code are not listed. "Unit count" is the dwelling-unit field in the county parcel layer; most parcels carry no value, so the sum is not a housing-unit count. ZIP code is a mail-delivery designation, not a town boundary.

Source: SussexCounty.ai, Sussex County tax parcels by ZIP code, as of 2026-08-09, https://sussexcounty.ai/data/parcels-by-zip/

License: these statistics are published under CC BY 4.0. Reuse is welcome with credit to SussexCounty.ai and a link to this page.