County ZIP codes · Maryland · FIPS 24035
Queen Anne's County, MD ZIP Codes
Queen Anne's County, Maryland has 18 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 16 residential and 2 for PO boxes or a single organization. 12 of the residential ones lie mainly in Queen Anne's County and 4 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $53,558 in 21640 (Henderson) to $140,086 in 21638 (Grasonville) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Queen Anne's County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $78,345 and $116,898.
They carry 16 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 16 residential ZIP codes in Queen Anne's County
12 ZIP codes lie mainly in Queen Anne's County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 21666 | Stevensville | 14,394 | 659 | $124k | $494k | 100% |
| 21617 | Centreville | 10,428 | 96 | $117k | $484k | 100% |
| 21619 | Chester | 6,152 | 662 | $108k | $487k | 100% |
| 21638 | Grasonville | 5,420 | 548 | $140k | $569k | 100% |
| 21658 | Queenstown | 3,632 | 93 | $128k | $483k | 100% |
| 21623 | Church Hill | 2,669 | 74 | $78k | $391k | 100% |
| 21668 | Sudlersville | 2,011 | 44 | $79k | $348k | 100% |
| 21649 | Marydel | 1,890 | 90 | $69k | $223k | 52% |
| 21657 | Queen Anne | 1,354 | 45 | $105k | $360k | 77% |
| 21607 | Barclay | 597 | 40 | $91k | $405k | 100% |
| 21628 | Crumpton | 248 | 264 | $115k | $160k | 100% |
| 21644 | Ingleside | 81 | 22 | – | – | 100% |
Partly in Queen Anne's County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
6 ZIP codes of Queen Anne's County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Queen Anne's | Elsewhere |
|---|---|---|
| 21620 | 26% | Kent County 74% |
| 21651 | 29% | Kent County 71% |
| 21649 | 52% | Caroline County 48% |
| 21657 | 77% | Talbot County 20%; Caroline County 3% |
| 21640 | 20% | Caroline County 80% |
| 21679 | 3% | Talbot County 97% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 21656 | Price |
| 21690 | Chestertown |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Queen Anne's County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Queen Anne's County starts with 216.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 216 | Eastern Shore, MD (SCF 216) | 18 | 62 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.