ZIP code 20684
Where is ZIP code 20684?
Saint Inigoes, Maryland
St. Mary's County · Standard ZIP code
ZIP code 20684 belongs to Saint Inigoes, Maryland in St. Mary's County. 20684 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 802 people live in the 20684 area, where the median household income is $180,060. The closest ZIP codes are 20680 (Ridge, 2.8 mi southeast), 20628 (Dameron, 2.8 mi east) and 20686 (Saint Marys City, 3.3 mi northwest).
| ZIP code | 20684 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Saint Inigoes |
| State | Maryland (MD) |
| County | St. Mary's County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 38.1441, -76.4083 map |
| 3-digit prefix | 206 |
Population and income in 20684
| Population | 802 · lower than 77% of Maryland ZIP codes |
|---|---|
| People per square mile | 96 · lower than 78% of Maryland ZIP codes |
| Median age | 44.2 years · higher than 63% of Maryland ZIP codes |
| Men / women | 38% / 62% |
| Median household income | $180,060 · higher than 91% of Maryland ZIP codes |
| Income per person | $71,244 |
| Below the poverty line | 1.1% |
| Bachelor’s degree or higher | 50% of adults 25+ |
| Median home value | $360,500 · lower than 64% of Maryland ZIP codes |
| Housing units | 357 |
| Households | 357 (2.24 people on average) |
| Owners / renters | 93% / 7.0% |
| Land area | 8.34 sq mi (plus 3.39 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20684. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20684
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20680 | Ridge, MD | 2.8 mi SE | Standard |
| 20628 | Dameron, MD | 2.8 mi E | Standard |
| 20686 | Saint Marys City, MD | 3.3 mi NW | PO Box only |
| 20630 | Drayden, MD | 4 mi NW | Standard |
| 20674 | Piney Point, MD | 5.2 mi W | Standard |
| 20687 | Scotland, MD | 5.4 mi SE | Standard |
| 20667 | Park Hall, MD | 5.4 mi N | Standard |
| 20692 | Valley Lee, MD | 6.3 mi NW | Standard |
| 20690 | Tall Timbers, MD | 7.3 mi W | Standard |
| 20653 | Lexington Park, MD | 7.7 mi N | Standard |
| 20620 | Callaway, MD | 8.4 mi NW | Standard |
| 22577 | Sandy Point, VA | 9.4 mi SW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20684 or measure the distance to another ZIP code.
How to address mail to 20684
123 MAIN ST
SAINT INIGOES MD 20684
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Beachville and St Inigoes: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (20684-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 20684?
- 20684 is a Saint Inigoes, Maryland ZIP code.
- What county is 20684 in?
- ZIP code 20684 is in St. Mary's County, Maryland.
- What time zone is ZIP code 20684 in?
- 20684 is in the Eastern Time zone (America/New_York).
- What area code is 20684?
- Phone numbers in ZIP code 20684 use area codes 227, 240 and 301.
- What is the population of ZIP code 20684?
- About 802 people live in ZIP code 20684, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20684?
- The median household income in 20684 is $180,060 a year, higher than 91% of Maryland ZIP codes.
- What ZIP codes are near 20684?
- The nearest ZIP codes to 20684 are 20680 (Ridge, 2.8 miles), 20628 (Dameron, 2.8 miles), 20686 (Saint Marys City, 3.3 miles) and 20630 (Drayden, 4 miles).