ZIP code 20609
Where is ZIP code 20609?
Avenue, Maryland
St. Mary's County · Standard ZIP code
ZIP code 20609 belongs to Avenue, Maryland in St. Mary's County. 20609 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 227, 240 and 301. About 714 people live in the 20609 area, where the median household income is $118,102. The closest ZIP codes are 20627 (Compton, 2.3 mi east), 20606 (Abell, 2.5 mi south) and 20618 (Bushwood, 2.5 mi west).
| ZIP code | 20609 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Avenue |
| State | Maryland (MD) |
| County | St. Mary's County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 38.2826, -76.7466 map |
| 3-digit prefix | 206 |
Population and income in 20609
| Population | 714 · lower than 79% of Maryland ZIP codes |
|---|---|
| People per square mile | 71 · lower than 83% of Maryland ZIP codes |
| Median age | 59.3 years · higher than 93% of Maryland ZIP codes |
| Men / women | 56% / 44% |
| Median household income | $118,102 · higher than 59% of Maryland ZIP codes |
| Income per person | $146,472 |
| Below the poverty line | 3.4% |
| Bachelor’s degree or higher | 21% of adults 25+ |
| Median home value | $568,400 · higher than 78% of Maryland ZIP codes |
| Housing units | 370 |
| Households | 341 (2.09 people on average) |
| Owners / renters | 89% / 11% |
| Land area | 10.02 sq mi (plus 3.16 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20609. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20609
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20627 | Compton, MD | 2.3 mi E | PO Box only |
| 20606 | Abell, MD | 2.5 mi S | Standard |
| 20618 | Bushwood, MD | 2.5 mi W | Standard |
| 20626 | Coltons Point, MD | 3.3 mi S | Standard |
| 20624 | Clements, MD | 4.2 mi N | Standard |
| 20621 | Chaptico, MD | 5.1 mi NW | Standard |
| 20682 | Rock Point, MD | 5.5 mi W | PO Box only |
| 20625 | Cobb Island, MD | 5.8 mi W | PO Box only |
| 20650 | Leonardtown, MD | 5.9 mi E | Standard |
| 20656 | Loveville, MD | 6.3 mi NE | Standard |
| 20660 | Morganza, MD | 7 mi NE | PO Box only |
| 20635 | Helen, MD | 7.8 mi E | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20609 or measure the distance to another ZIP code.
How to address mail to 20609
123 MAIN ST
AVENUE MD 20609
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20609-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 20609?
- 20609 is a Avenue, Maryland ZIP code.
- What county is 20609 in?
- ZIP code 20609 is in St. Mary's County, Maryland.
- What time zone is ZIP code 20609 in?
- 20609 is in the Eastern Time zone (America/New_York).
- What area code is 20609?
- Phone numbers in ZIP code 20609 use area codes 227, 240 and 301.
- What is the population of ZIP code 20609?
- About 714 people live in ZIP code 20609, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20609?
- The median household income in 20609 is $118,102 a year, higher than 59% of Maryland ZIP codes.
- What ZIP codes are near 20609?
- The nearest ZIP codes to 20609 are 20627 (Compton, 2.3 miles), 20606 (Abell, 2.5 miles), 20618 (Bushwood, 2.5 miles) and 20626 (Coltons Point, 3.3 miles).