ZIP code 21921: Elkton, MD
21921 is a ZIP code in Elkton, Maryland, mainly in Cecil County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area. About 45,527 people live here.
- Population
- 45,527
- Median household income
- $85,775
- Typical home value
- $373,200+1.7% in 12 months
- Median rent
- $1,421gross, per month
- Median age
- 39.4
- Homeowners
- 69.8%of occupied homes
Shaded: ZIP code 21921's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 21921 details
| City | Elkton |
|---|---|
| State | Maryland |
| County | Cecil County |
| Metro area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 94.7 sq mi, plus 5.5 sq mi of water |
| Population density | 481 people per sq mi |
| Bachelor's degree or higher | 28.8% of adults 25+ |
| Average commute | 26.9 minutes |
| Center coordinates | 39.62714, -75.85989 |
Median rent in 21921 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $747/mo |
| 1 bedroom | $1,088/mo |
| 2 bedrooms | $1,367/mo |
| 3 bedrooms | $1,603/mo |
| 4 bedrooms | $2,516/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 21921
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 21916 | Childs, MD | 1.5 mi | — |
| 21922 | Elkton, MD | 2.0 mi | — |
| 21920 | Elk Mills, MD | 2.2 mi | 1,413 |
| 21901 | North East, MD | 6.5 mi | 19,514 |
| 19351 | Lewisville, PA | 6.6 mi | — |
| 19716 | Newark, DE | 6.7 mi | 0 |
| 19717 | Newark, DE | 6.8 mi | 6,036 |
| 19702 | Newark, DE | 7.0 mi | 55,683 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 21921?
A typical home in ZIP code 21921 is worth about $373,200 (Zillow Home Value Index). The median household here earns $85,775 a year. See what buying here would cost per month, with Maryland average taxes and insurance filled in.
Monthly payment for a $373,200 homeWhat can a $85,775 income afford?Rental property numbers
About ZIP code 21921
What city is ZIP code 21921?
ZIP code 21921 is in Elkton, MD, in Cecil County.
What county is ZIP code 21921 in?
21921 is mainly in Cecil County, Maryland.
What is the population of ZIP code 21921?
About 45,527 people live in ZIP code 21921, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 21921 in?
21921 is in Eastern Time (UTC−5). It observes daylight saving time.
What other ZIP codes does Elkton have?
Elkton, MD also uses 21922.