ZIP code 20690: Tall Timbers, MD
20690 is a ZIP code in Tall Timbers, Maryland, mainly in St. Mary's County, part of the Lexington Park, MD metro area. About 1,077 people live here.
- Population
- 1,077
- Median household income
- $122,750
- Typical home value
- $521,900+2.5% in 12 months
- Median rent
- $1,412gross, per month
- Median age
- 45.7
- Homeowners
- 75.3%of occupied homes
Shaded: ZIP code 20690's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 20690 details
| City | Tall Timbers |
|---|---|
| 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 | 1.7 sq mi, plus 0.6 sq mi of water |
| Population density | 653 people per sq mi |
| Bachelor's degree or higher | 39% of adults 25+ |
| Average commute | 39.5 minutes |
| Center coordinates | 38.15837, -76.53478 |
ZIP codes near 20690
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 20674 | Piney Point, MD | 0.8 mi | 769 |
| 20692 | Valley Lee, MD | 2.4 mi | 505 |
| 20630 | Drayden, MD | 3.9 mi | 559 |
| 20620 | Callaway, MD | 5.2 mi | 1,115 |
| 22442 | Coles Point, VA | 5.6 mi | — |
| 20686 | Saint Marys City, MD | 5.9 mi | 971 |
| 20634 | Great Mills, MD | 6.1 mi | 7,088 |
| 20667 | Park Hall, MD | 6.1 mi | 150 |
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 20690?
A typical home in ZIP code 20690 is worth about $521,900 (Zillow Home Value Index). The median household here earns $122,750 a year. See what buying here would cost per month, with Maryland average taxes and insurance filled in.
Monthly payment for a $521,900 homeWhat can a $122,750 income afford?Rental property numbers
About ZIP code 20690
What city is ZIP code 20690?
ZIP code 20690 is in Tall Timbers, MD, in St. Mary's County.
What county is ZIP code 20690 in?
20690 is mainly in St. Mary's County, Maryland.
What is the population of ZIP code 20690?
About 1,077 people live in ZIP code 20690, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 20690 in?
20690 is in Eastern Time (UTC−5). It observes daylight saving time.