Residential delivery area · Maryland
ZIP Code 21056: Gibson Island, MD
ZIP code 21056 uses the postal name Gibson Island, Maryland and lies entirely in Anne Arundel County (Census 2020 ZIP-county file). About 290 people live there (Census Bureau, ACS 2020-2024). Median household income is $250,000 or more (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- ZBP2023
- Town
- Gibson Island · its only residential ZIP
- County
- Anne Arundel County
- Metro area
- Baltimore-Columbia-Towson, MD
- House district
- MD-3 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 1.4 sq mi · 211 people per sq mi
Where is ZIP code 21056?
21056 centers on 39.079°, -76.436° and covers 1.4 square miles of land plus 0.2 of water. It borders 1 ZIP code: 21122.
The map draws ZIP code areas only. For the streets inside 21056, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 21056 compare with the rest of Anne Arundel County?
| Measure | 21056 | In Anne Arundel County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 291 | 40th of 42 | 415th of 477 |
| Median household income | $250k+ | not ranked | not ranked |
| Median home value | $2M+ | not ranked | not ranked |
21056's income and home value are not ranked: it has fewer than 1,000 residents (291). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 63% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 21056?
The 2020 Census counted 329 people in 21056; the ACS, which samples households over 2020-2024, estimates 291. Between the 2010 and 2020 censuses its population grew 23.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 291±216 (90% margin)
- 2020 Census count
- 329+23.2% since 2010 (267)
- Households
- 145
- Median age
- 66.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 21056?
Of the 291 people the ACS estimates in 21056, 0.0% are under 18 and 81.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (100.0%).
- Under 180.0%
- 18 to 6418.6%
- 65 and older81.4%
- White, not Hispanic100.0%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
- Other or two or more0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 21056 earn?
Median household income is $250,000 or more (ACS 2020-2024).
- Median household income
- $250,000 or more
- Income per person
- $214,716
- Below the poverty line
- 0.0%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 93.1%
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 21056?
- Median home value (owners' estimate)
- $2,000,000 or more
- Median gross rent
- –
- Homes owned by their occupants
- 100.0%
- Housing units
- 306
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 21056?
6 business establishments had a location in this ZIP code in 2023, 1 fewer than in 2018 (ZIP Code Business Patterns).
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 21056?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21122 | Pasadena | 61,566 | $128k | 3.7 mi |
| 21012 | Arnold | 22,570 | $139k | 3.9 mi (near) |
| 21409 | Annapolis | 20,289 | $147k | 4.2 mi (near) |
| 21402 | Annapolis | 4,303 | $81k | 6.5 mi (near) |
| 21146 | Severna Park | 28,591 | $172k | 6.6 mi (near) |
| 21405 | Annapolis | 495 | $161k | 6.9 mi (near) |
| 21052 | Fort Howard | 409 | $77k | 8.7 mi (near) |
| 21401 | Annapolis | 38,629 | $123k | 8.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.