Conowingo, MD ZIP code
The ZIP code for Conowingo, Maryland is 21918. It is in Cecil County.
- Population in these ZIPs
- 4,169
- Avg. median income
- $84,600population-weighted
- Typical home value
- $399,700population-weighted
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Conowingo, MD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 21918 | 4,169 | $84,587 | $399,700 |
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 Conowingo
- Darlington 4 mi
- Colora 4 mi
- Whiteford 7 mi
- Port Deposit 7 mi
- Rising Sun 8 mi
- Havre De Grace 8 mi
- Churchville 9 mi
- Street 10 mi
- Perryville 10 mi
- Perry Point 11 mi
- Aberdeen 12 mi
- Bel Air 12 mi
Frequently asked questions
What is the ZIP code for Conowingo, MD?
The ZIP code for Conowingo, MD is 21918.
What county is Conowingo, Maryland in?
Conowingo ZIP codes are in Cecil County.