US ZIP Code
21661

Rock Hall, MD

Kent County  ·  Maryland

● Active
👥 2,400 Population ↓ 3% since 2019
💰 $87,778 Median HH Income
▲ 15% above avg ↑ 113% since 2019
🎂 59.0 Median Age ↑ 6% since 2019
🏠 $258,800 Median Home Value
≈ Avg ↑ 31% since 2019
🎓 45.5% College Grads
▲ 17% above avg
📊 1.2% Unemployment
▼ 76% below avg ↓ 74% since 2019
ZIP Code Details
ZIP Code21661
CityRock Hall
StateMaryland (MD)
CountyKent County
Area Code410/667
Elevation3 ft
Latitude39.096121
Longitude-76.219488
TimezoneNew York (DST)
FIPS24029
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 44.8% (1,075) Female 55.2% (1,325) ♀

Race & Ethnicity

White: 89%Hispanic: 5.7%Black: 3.1%Other: 2%Race
White89.0%
Hispanic5.7%
Black3.1%
Other2.0%

Age Breakdown

Under 5
1%
5–17
12%
18–24
5%
25–44
21%
45–64
24%
65+
16%

Key Indicators

Median Age59.0 yrs ↑ 6% since 2019
Avg Household Size2.04
Below Poverty10.1% ≈ Avg
College Grads45.5% ▲ 17% above avg
Unemployment1.2% ▼ 76% below avg
No HS Diploma4 (0.2%)
HS Graduate479 (27.2%)
Some College250 (14.2%)
Associates227 (12.9%)
Bachelors163 (9.3%)
Graduate Degree638 (36.2%)

Education

No HS: 0.2%HS Grad: 27.2%Some College: 14.2%Associates: 12.9%Bachelors: 9.3%Graduate: 36.2%Edu
No HS0.2%
HS Grad27.2%
Some College14.2%
Associates12.9%
Bachelors9.3%
Graduate36.2%
Housing & Income

Housing Tenure

Owner: 76.8%Renter: 23.2%Tenure
Owner76.8%
Renter23.2%

Home Value Distribution

Under $50k
1%
$100k–150k
8%
$150k–200k
31%
$200k–300k
21%
$300k–500k
25%
Over $500k
14%

Financials

Median HH Income$87,778 ▲ 15% above avg ↑ 113% since 2019
Median Home Value$258,800 ≈ Avg ↑ 31% since 2019
Home/Income Ratio2.9x (nat avg ~3.5x)
Median Rent$1,146/mo ↑ 7% since 2019
Total Units1,737
Vacant Units581
Avg HH Size2.04

Income Distribution

Under $25k
16%
$25k–50k
15%
$50k–75k
11%
$75k–100k
21%
$100k–150k
22%
$150k–200k
6%
Over $200k
10%
Employment & Commute

How People Get to Work

Drove Alone
84%
Walked
8%
Work From Home
8%

Commute Time

Under 15 min
38%
15–30 min
33%
30–45 min
8%
Over 45 min
21%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
8%
1960s–1970s
12%
1980s–1990s
17%
2000+
61%

Summary

Total Units1,737
Vacant581
Owner Occupied76.8%
Renter Occupied23.2%
Avg HH Size2.04
Frequently Asked Questions
ZIP code 21661 is in Rock Hall, MD, in Kent County.
ZIP code 21661 is located in Maryland (MD).
ZIP code 21661 is in Kent County, MD.
ZIP 21661 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21661 is 2,400 people (ACS 2023).
The median household income in ZIP code 21661 is $87,778 (ACS 2023).
The median home value in ZIP 21661 is $258,800 (ACS 2023).
About ZIP Code 21661

ZIP code 21661 is located in Rock Hall, Maryland, within Kent County. With a population of 2,400, this is a sparsely populated ZIP code with an older community — the median age is 59 years. Economically, 21661 is a middle-income ZIP code: the median household income of $87,778 is above the national average.

Real estate in ZIP code 21661 represents a mid-range housing market. The median home value of $258,800 is near the national average. Renters can expect to pay around $1,146 per month in median rent. Homeownership is strong here — 76.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 31% since 2019.

The population of 21661 is primarily White (88.96%). Residents are well-educated — 45.5% hold a bachelor's degree or higher, which is above the national average. Poverty affects some residents at 10.1%. Household income has grown by 113% since 2019.

The unemployment rate in 21661 stands at 1.2%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 76%.

Overall, ZIP code 21661 in Rock Hall, MD is characterized as middle-income, well-educated, an older community, and predominantly owner-occupied. With 2,400 residents, a median household income of $87,778, and a median home value of $258,800, it offers a clear picture of life in this part of Maryland.