ZIP code 21661: Rock Hall, MD
21661 is a ZIP code in Rock Hall, Maryland, mainly in Kent County. About 2,613 people live here.
- Population
- 2,613
- Median household income
- $90,492
- Typical home value
- $364,900+4.4% in 12 months
- Median rent
- $1,000gross, per month
- Median age
- 58.4
- Homeowners
- 74.8%of occupied homes
Shaded: ZIP code 21661's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 21661 details
| City | Rock Hall |
|---|---|
| State | Maryland |
| County | Kent County |
| Metro area | Not in a metro or micro area |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 33 sq mi, plus 22.1 sq mi of water |
| Population density | 79 people per sq mi |
| Bachelor's degree or higher | 35.7% of adults 25+ |
| Average commute | 23.6 minutes |
| Center coordinates | 39.09612, -76.21949 |
Median rent in 21661 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $346/mo |
| 2 bedrooms | $1,148/mo |
| 3 bedrooms | $1,050/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 21661
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 21690 | Chestertown, MD | 8.0 mi | — |
| 21656 | Price, MD | 8.0 mi | — |
| 21617 | Centreville, MD | 9.9 mi | 10,428 |
| 21620 | Chestertown, MD | 10.6 mi | 13,810 |
| 21638 | Grasonville, MD | 10.8 mi | 5,420 |
| 21619 | Chester, MD | 10.9 mi | 6,152 |
| 21658 | Queenstown, MD | 11.2 mi | 3,632 |
| 21056 | Gibson Island, MD | 11.7 mi | 291 |
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
Buying a home in 21661?
A typical home in ZIP code 21661 is worth about $364,900 (Zillow Home Value Index). The median household here earns $90,492 a year. See what buying here would cost per month, with Maryland average taxes and insurance filled in.
Monthly payment for a $364,900 homeWhat can a $90,492 income afford?Rental property numbers
About ZIP code 21661
What city is ZIP code 21661?
ZIP code 21661 is in Rock Hall, MD, in Kent County.
What county is ZIP code 21661 in?
21661 is mainly in Kent County, Maryland.
What is the population of ZIP code 21661?
About 2,613 people live in ZIP code 21661, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 21661 in?
21661 is in Eastern Time (UTC−5). It observes daylight saving time.