US ZIP Code
21056

Gibson Island, MD

Anne Arundel County  ·  Maryland

● Active
👥 264 Population ↑ 67% since 2019
💰 $250,001 Median HH Income
▲ 228% above avg ↑ 66% since 2019
🎂 66.6 Median Age ↑ 7% since 2019
🏠 $2,000,000+ Median Home Value
▲ 617% above avg ↑ 80% since 2019
🎓 92.4% College Grads
▲ 139% above avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code21056
CityGibson Island
StateMaryland (MD)
CountyAnne Arundel County
Area Code410/667
Elevation35 ft
Latitude39.078951
Longitude-76.436246
TimezoneNew York (DST)
FIPS24003
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 47.0% (124) Female 53.0% (140) ♀

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

45–64
19%
65+
17%

Key Indicators

Median Age66.6 yrs ↑ 7% since 2019
Avg Household Size2.03
Below Poverty0.0% ▼ 100% below avg
College Grads92.4% ▲ 139% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate20 (7.6%)
Graduate Degree244 (92.4%)

Education

HS Grad: 7.6%Graduate: 92.4%Edu
HS Grad7.6%
Graduate92.4%
Housing & Income

Housing Tenure

Owner: 100%Tenure
Owner100.0%

Home Value Distribution

Over $500k
100%

Financials

Median HH Income$250,001 ▲ 228% above avg ↑ 66% since 2019
Median Home Value$2,000,000+ ▲ 617% above avg ↑ 80% since 2019
Home/Income Ratio8.0x (nat avg ~3.5x)
Total Units234
Vacant Units104
Avg HH Size2.03

Income Distribution

$75k–100k
12%
$150k–200k
17%
Over $200k
72%
Employment & Commute

How People Get to Work

Drove Alone
72%
Walked
13%
Work From Home
15%

Commute Time

Under 15 min
15%
15–30 min
74%
Over 45 min
11%
Housing Stock

Year Built

Before 1940
32%
1940s–1950s
7%
2000+
61%

Summary

Total Units234
Vacant104
Owner Occupied100.0%
Renter Occupied0.0%
Avg HH Size2.03
Frequently Asked Questions
ZIP code 21056 is in Gibson Island, MD, in Anne Arundel County.
ZIP code 21056 is located in Maryland (MD).
ZIP code 21056 is in Anne Arundel County, MD.
ZIP 21056 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21056 is 264 people (ACS 2023).
The median household income in ZIP code 21056 is $250,001 (ACS 2023).
The median home value in ZIP 21056 is $2,000,000+ (ACS 2023).
About ZIP Code 21056

ZIP code 21056 is located in Gibson Island, Maryland, within Anne Arundel County. With a population of 264, this is a sparsely populated ZIP code with an older community — the median age is 66.6 years. Economically, 21056 is a affluent ZIP code: the median household income of $250,001 is more than double the national average.

Real estate in ZIP code 21056 represents among the most expensive housing markets in the country. The median home value of $2,000,000+ is more than double the national average. Median home values have increased by 80% since 2019.

The population of 21056 is primarily White (100.00%). Residents are highly educated — 92.4% hold a bachelor's degree or higher, which is more than double the national average. Household income has grown by 66% since 2019.

About 15% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 72%.

Overall, ZIP code 21056 in Gibson Island, MD is characterized as affluent, highly educated, an older community, and predominantly owner-occupied. With 264 residents, a median household income of $250,001, and a median home value of $2,000,000+, it offers a clear picture of life in this part of Maryland.