ZIP code 20670
Where is ZIP code 20670?
Patuxent River, Maryland
St. Mary's County · Standard ZIP code
ZIP code 20670 belongs to Patuxent River, Maryland in St. Mary's County. 20670 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, 301, 410, 443 and 667. About 2,046 people live in the 20670 area, where the median household income is $70,371. The closest ZIP codes are 20653 (Lexington Park, 2.2 mi south), 20634 (Great Mills, 3.2 mi west) and 20688 (Solomons, 3.8 mi northwest).
| ZIP code | 20670 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Patuxent River |
| Also accepted | Patuxent Rvr |
| State | Maryland (MD) |
| County | St. Mary's County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301, 410, 443, 667 |
| Coordinates | 38.2791, -76.4381 map |
| 3-digit prefix | 206 |
Population and income in 20670
| Population | 2,046 · lower than 66% of Maryland ZIP codes |
|---|---|
| People per square mile | 219 · lower than 63% of Maryland ZIP codes |
| Median age | 22.9 years · lower than 98% of Maryland ZIP codes |
| Men / women | 55% / 45% |
| Median household income | $70,371 · lower than 84% of Maryland ZIP codes |
| Income per person | $25,143 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 30% of adults 25+ |
| Median rent | $2,292 a month |
| Housing units | 513 |
| Households | 439 (3.52 people on average) |
| Owners / renters | 0.0% / 100% |
| Land area | 9.35 sq mi (plus 5.68 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20670. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20670
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20653 | Lexington Park, MD | 2.2 mi S | Standard |
| 20634 | Great Mills, MD | 3.2 mi W | Standard |
| 20688 | Solomons, MD | 3.8 mi NW | Standard |
| 20629 | Dowell, MD | 4 mi N | PO Box only |
| 20667 | Park Hall, MD | 4.3 mi S | Standard |
| 20619 | California, MD | 5.3 mi W | Standard |
| 20620 | Callaway, MD | 5.7 mi SW | Standard |
| 20657 | Lusby, MD | 6 mi N | Standard |
| 20686 | Saint Marys City, MD | 6.4 mi S | PO Box only |
| 20692 | Valley Lee, MD | 7.3 mi SW | Standard |
| 20630 | Drayden, MD | 7.6 mi S | Standard |
| 20636 | Hollywood, MD | 8.4 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20670 or measure the distance to another ZIP code.
How to address mail to 20670
123 MAIN ST
PATUXENT RIVER MD 20670
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts PATUXENT RVR as the city name for 20670. Avoid Patuxent River Naval Air Sta: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (20670-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 20670?
- 20670 is a Patuxent River, Maryland ZIP code. Patuxent Rvr is also accepted as the city name.
- What county is 20670 in?
- ZIP code 20670 is in St. Mary's County, Maryland.
- What time zone is ZIP code 20670 in?
- 20670 is in the Eastern Time zone (America/New_York).
- What area code is 20670?
- Phone numbers in ZIP code 20670 use area codes 227, 240, 301, 410, 443 and 667.
- What is the population of ZIP code 20670?
- About 2,046 people live in ZIP code 20670, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20670?
- The median household income in 20670 is $70,371 a year, lower than 84% of Maryland ZIP codes.
- What ZIP codes are near 20670?
- The nearest ZIP codes to 20670 are 20653 (Lexington Park, 2.2 miles), 20634 (Great Mills, 3.2 miles), 20688 (Solomons, 3.8 miles) and 20629 (Dowell, 4 miles).