Residential delivery area · Maryland
ZIP Code 21856: Quantico, MD
ZIP code 21856 uses the postal name Quantico, Maryland and lies entirely in Wicomico County (Census 2020 ZIP-county file). About 1,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $88,045 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Whitehaven (a census-designated place), and 4% in smaller places; 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- Quantico · its only residential ZIP
- County
- Wicomico County
- Census places
- Whitehaven census-designated place
- Metro area
- Salisbury, MD
- House district
- MD-1 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 33.5 sq mi · 31 people per sq mi
Where is ZIP code 21856?
21856 centers on 38.331°, -75.795° and covers 33.5 square miles of land plus 3.6 of water. It borders 6 ZIP codes: 21865, 21830, 21801, 21869, 21822, 21853.
The map draws ZIP code areas only. For the streets inside 21856, 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 21856 compare with the rest of Wicomico County?
| Measure | 21856 | In Wicomico County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 1,037 | 11th of 16 | 348th of 477 |
| Median household income | $88k | 2nd of 8 | 205th of 293 |
| Median home value | $381k | not ranked | not ranked |
21856's median home value is not ranked: its 90% margin of error (±$182,158) is more than a quarter of the figure ($380,600). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
Its median household income is higher than in 71% of U.S. residential ZIP codes, and it is denser than 34% of all 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 21856?
The 2020 Census counted 879 people in 21856; the ACS, which samples households over 2020-2024, estimates 1,037. Between the 2010 and 2020 censuses its population fell 15.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,037±502 (90% margin)
- 2020 Census count
- 879−15.1% since 2010 (1,035)
- Households
- 377
- Median age
- 42.6
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 21856?
Of the 1,037 people the ACS estimates in 21856, 17.7% are under 18 and 17.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (61.0%), then Black (not Hispanic) (18.6%).
- Under 1817.7%
- 18 to 6464.7%
- 65 and older17.6%
- White, not Hispanic61.0%
- Black, not Hispanic18.6%
- Other or two or more13.8%
- Asian, not Hispanic6.6%
- Hispanic or Latino0.0%
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 21856 earn?
Median household income is $88,045 (ACS 2020-2024), the 2nd highest of the 8 ranked ZIP codes in Wicomico County. It rose from $58,521 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $88,045±$21,539
- Income per person
- $37,388
- Below the poverty line
- 17.9%
- Unemployed (of the labor force)
- 13.8%
- Adults 25+ with a bachelor's degree
- 14.3%
- Adjusted gross income per tax return, 2022
- $81,895410 returns; wages 59% of AGI (IRS)
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 21856?
- Median home value (owners' estimate)
- $380,600
- Median gross rent
- –
- Homes owned by their occupants
- 80.6%
- Housing units
- 423
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 21856?
13 business establishments had a location in this ZIP code in 2023, 4 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction6
- Accommodation and food services3
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 21856?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21865 | Tyaskin | 320 | $83k | 3.7 mi |
| 21830 | Hebron | 5,200 | $113k | 5.6 mi |
| 21801 | Salisbury | 30,088 | $71k | 6.4 mi |
| 21869 | Vienna | 827 | $62k | 7.6 mi |
| 21822 | Eden | 2,926 | $85k | 7.8 mi |
| 21853 | Princess Anne | 10,537 | $70k | 9.7 mi |
| 21814 | Bivalve | 217 | – | 6.2 mi (near) |
| 21810 | Allen | 55 | – | 6.4 mi (near) |
| 21840 | Nanticoke | 576 | – | 8.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.