Sussex County, Delaware ZIP code

ZIP code 19973, Sussex County, Delaware: parcels and places

As of 2026-08-09, SussexCounty.ai counts 10,142 tax parcels covering 23,711.0 mapped acres in ZIP code 19973, Sussex County, Delaware. The parcels fall in Seaford and Blades, plus unincorporated county land. Of the parcels, 66.5 percent lie outside every incorporated town.

ZIP code 19973 at a glance

MeasureValue
Tax parcels10,142
Mapped acres23,711.0
Median parcel acres0.550
Unit count sum888
Parcels outside every town (unincorporated)66.5%
Parcels inside a town33.5%
Top towns by parcelsSeaford (2,913), Blades (481)

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.