Delmar, DE ZIP code
The ZIP code for Delmar, Delaware is 19940. It is in Sussex County.
- Population in these ZIPs
- 7,540
- Avg. median income
- $65,000population-weighted
- Typical home value
- $339,200population-weighted
- Metro area
- Seaford, DE
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Delmar, DE ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 19940 | 7,540 | $65,024 | $339,200 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Delmar
- Laurel 5 mi
- Bethel 7 mi
- Seaford 11 mi
- Georgetown 16 mi
- Millsboro 17 mi
- Bridgeville 18 mi
- Frankford 18 mi
- Dagsboro 20 mi
- Selbyville 21 mi
- Harbeson 22 mi
- Ellendale 23 mi
- Greenwood 24 mi
Frequently asked questions
What is the ZIP code for Delmar, DE?
The ZIP code for Delmar, DE is 19940.
What county is Delmar, Delaware in?
Delmar ZIP codes are in Sussex County.