ZIP code 21920: Elk Mills, MD
21920 is a ZIP code in Elk Mills, Maryland, mainly in Cecil County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area. About 1,413 people live here.
- Population
- 1,413
- Median household income
- $124,146
- Typical home value
- $276,500-0.3% in 12 months
- Median rent
- $1,346gross, per month
- Median age
- 36.7
- Homeowners
- 65.4%of occupied homes
Shaded: ZIP code 21920's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 21920 details
| City | Elk Mills |
|---|---|
| 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 | 1 sq mi, plus 0 sq mi of water |
| Population density | 1,427 people per sq mi |
| Bachelor's degree or higher | 22.4% of adults 25+ |
| Average commute | 37.5 minutes |
| Center coordinates | 39.65625, -75.84101 |
ZIP codes near 21920
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 21916 | Childs, MD | 1.8 mi | — |
| 21921 | Elkton, MD | 2.2 mi | 45,527 |
| 21922 | Elkton, MD | 3.4 mi | — |
| 19351 | Lewisville, PA | 4.9 mi | — |
| 19717 | Newark, DE | 5.1 mi | 6,036 |
| 19716 | Newark, DE | 5.1 mi | 0 |
| 19360 | New London, PA | 5.7 mi | — |
| 19347 | Kemblesville, PA | 6.5 mi | — |
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 21920?
A typical home in ZIP code 21920 is worth about $276,500 (Zillow Home Value Index). The median household here earns $124,146 a year. See what buying here would cost per month, with Maryland average taxes and insurance filled in.
Monthly payment for a $276,500 homeWhat can a $124,146 income afford?Rental property numbers
About ZIP code 21920
What city is ZIP code 21920?
ZIP code 21920 is in Elk Mills, MD, in Cecil County.
What county is ZIP code 21920 in?
21920 is mainly in Cecil County, Maryland.
What is the population of ZIP code 21920?
About 1,413 people live in ZIP code 21920, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 21920 in?
21920 is in Eastern Time (UTC−5). It observes daylight saving time.