ZIP code 20620: Callaway, MD
20620 is a ZIP code in Callaway, Maryland, mainly in St. Mary's County, part of the Lexington Park, MD metro area. About 1,115 people live here.
- Population
- 1,115
- Median household income
- $165,972
- Typical home value
- $434,300+1.4% in 12 months
- Median rent
- —gross, per month
- Median age
- 41.6
- Homeowners
- 96.4%of occupied homes
Shaded: ZIP code 20620's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 20620 details
| City | Callaway |
|---|---|
| State | Maryland |
| County | St. Mary's County |
| Metro area | Lexington Park, MD |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 4.3 sq mi, plus 0 sq mi of water |
| Population density | 260 people per sq mi |
| Bachelor's degree or higher | 24.9% of adults 25+ |
| Average commute | 21.1 minutes |
| Center coordinates | 38.23312, -76.52183 |
ZIP codes near 20620
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 20634 | Great Mills, MD | 1.4 mi | 7,088 |
| 20692 | Valley Lee, MD | 3.8 mi | 505 |
| 20619 | California, MD | 4.1 mi | 14,212 |
| 20667 | Park Hall, MD | 4.2 mi | 150 |
| 20653 | Lexington Park, MD | 5.1 mi | 26,852 |
| 20690 | Tall Timbers, MD | 5.2 mi | 1,077 |
| 20686 | Saint Marys City, MD | 5.8 mi | 971 |
| 20630 | Drayden, MD | 6.0 mi | 559 |
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 20620?
A typical home in ZIP code 20620 is worth about $434,300 (Zillow Home Value Index). The median household here earns $165,972 a year. See what buying here would cost per month, with Maryland average taxes and insurance filled in.
Monthly payment for a $434,300 homeWhat can a $165,972 income afford?Rental property numbers
About ZIP code 20620
What city is ZIP code 20620?
ZIP code 20620 is in Callaway, MD, in St. Mary's County.
What county is ZIP code 20620 in?
20620 is mainly in St. Mary's County, Maryland.
What is the population of ZIP code 20620?
About 1,115 people live in ZIP code 20620, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 20620 in?
20620 is in Eastern Time (UTC−5). It observes daylight saving time.