ZIP code 21638
Where is ZIP code 21638?
Grasonville, Maryland
Queen Anne's County · Standard ZIP code
ZIP code 21638 belongs to Grasonville, Maryland in Queen Anne's County. 21638 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 410, 443 and 667. About 5,420 people live in the 21638 area, where the median household income is $140,086. The closest ZIP codes are 21619 (Chester, 4.6 mi west), 21658 (Queenstown, 5 mi northeast) and 21679 (Wye Mills, 6.5 mi east).
| ZIP code | 21638 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Grasonville |
| State | Maryland (MD) |
| County | Queen Anne's County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 38.9456, -76.1997 map |
| 3-digit prefix | 216 |
Population and income in 21638
| Population | 5,420 · higher than 51% of Maryland ZIP codes |
|---|---|
| People per square mile | 548 · higher than 55% of Maryland ZIP codes |
| Median age | 42.3 years · higher than 52% of Maryland ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $140,086 · higher than 76% of Maryland ZIP codes |
| Income per person | $60,714 |
| Below the poverty line | 8.4% |
| Bachelor’s degree or higher | 47% of adults 25+ |
| Median home value | $569,200 · higher than 78% of Maryland ZIP codes |
| Median rent | $1,692 a month |
| Housing units | 2,360 |
| Households | 1,916 (2.81 people on average) |
| Owners / renters | 85% / 16% |
| Land area | 9.9 sq mi (plus 3.95 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21638. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21638
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21619 | Chester, MD | 4.6 mi W | Standard |
| 21658 | Queenstown, MD | 5 mi NE | Standard |
| 21679 | Wye Mills, MD | 6.5 mi E | Standard |
| 21666 | Stevensville, MD | 7.4 mi W | Standard |
| 21656 | Price, MD | 8.4 mi NE | PO Box only |
| 21690 | Chestertown, MD | 8.4 mi NE | Unique |
| 21624 | Claiborne, MD | 8.4 mi SW | PO Box only |
| 21647 | Mcdaniel, MD | 9.8 mi SW | Standard |
| 21663 | Saint Michaels, MD | 11.3 mi S | Standard |
| 21617 | Centreville, MD | 11.3 mi NE | Standard |
| 21625 | Cordova, MD | 11.8 mi SE | Standard |
| 21657 | Queen Anne, MD | 11.9 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21638 or measure the distance to another ZIP code.
How to address mail to 21638
123 MAIN ST
GRASONVILLE MD 21638
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21638-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21638?
- 21638 is a Grasonville, Maryland ZIP code.
- What county is 21638 in?
- ZIP code 21638 is in Queen Anne's County, Maryland.
- What time zone is ZIP code 21638 in?
- 21638 is in the Eastern Time zone (America/New_York).
- What area code is 21638?
- Phone numbers in ZIP code 21638 use area codes 410, 443 and 667.
- What is the population of ZIP code 21638?
- About 5,420 people live in ZIP code 21638, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21638?
- The median household income in 21638 is $140,086 a year, higher than 76% of Maryland ZIP codes.
- What ZIP codes are near 21638?
- The nearest ZIP codes to 21638 are 21619 (Chester, 4.6 miles), 21658 (Queenstown, 5 miles), 21679 (Wye Mills, 6.5 miles) and 21666 (Stevensville, 7.4 miles).