Millsboro, DE ZIP code
The ZIP code for Millsboro, Delaware is 19966. It is in Sussex County.
- Population in these ZIPs
- 35,884
- Avg. median income
- $78,300population-weighted
- Typical home value
- $397,800population-weighted
- Metro area
- Seaford, DE
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Millsboro, DE ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 19966 | 35,884 | $78,305 | $397,800 |
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 Millsboro
- Dagsboro 4 mi
- Frankford 6 mi
- Harbeson 7 mi
- Millville 9 mi
- Georgetown 9 mi
- Selbyville 10 mi
- Ocean View 10 mi
- Bethany Beach 11 mi
- Lewes 12 mi
- Rehoboth Beach 12 mi
- Fenwick Island 14 mi
- Milton 14 mi
Frequently asked questions
What is the ZIP code for Millsboro, DE?
The ZIP code for Millsboro, DE is 19966.
What county is Millsboro, Delaware in?
Millsboro ZIP codes are in Sussex County.