US ZIP Code
20670

Patuxent River, MD

St. Mary's County  ·  Maryland

● Active
👥 1,577 Population ↑ 9% since 2019
💰 $70,945 Median HH Income
≈ Avg ↑ 32% since 2019
🎂 22.9 Median Age
🎓 42.8% College Grads
▲ 11% above avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code20670
CityPatuxent River
StateMaryland (MD)
CountySt. Mary's County
Area Code227/240/301
Elevation26 ft
Latitude38.284848
Longitude-76.407661
TimezoneNew York (DST)
FIPS24037
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 54.3% (857) Female 45.7% (720) ♀

Race & Ethnicity

White: 54.2%Hispanic: 10.5%Black: 24.4%Asian: 0.6%Other: 7.6%Race
White54.2%
Hispanic10.5%
Black24.4%
Asian0.6%
Other7.6%

Age Breakdown

Under 5
17%
5–17
23%
18–24
19%
25–44
40%
45–64
1%
65+
1%

Key Indicators

Median Age22.9 yrs
Avg Household Size3.55
Below Poverty0.0% ▼ 100% below avg
College Grads42.8% ▲ 11% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate209 (31.9%)
Some College83 (12.7%)
Associates83 (12.7%)
Bachelors112 (17.1%)
Graduate Degree169 (25.8%)

Education

HS Grad: 31.9%Some College: 12.7%Associates: 12.7%Bachelors: 17.1%Graduate: 25.8%Edu
HS Grad31.9%
Some College12.7%
Associates12.7%
Bachelors17.1%
Graduate25.8%
Housing & Income

Housing Tenure

Renter: 100%Tenure
Renter100.0%

Financials

Median HH Income$70,945 ≈ Avg ↑ 32% since 2019
Median Rent$2,232/mo ↑ 22% since 2019
Total Units491
Vacant Units90
Avg HH Size3.55

Income Distribution

Under $25k
0%
$25k–50k
18%
$50k–75k
42%
$75k–100k
7%
$100k–150k
21%
$150k–200k
6%
Over $200k
5%
Employment & Commute

How People Get to Work

Drove Alone
73%
Walked
22%
Work From Home
5%

Commute Time

Under 15 min
80%
15–30 min
15%
30–45 min
3%
Over 45 min
2%
Frequently Asked Questions
ZIP code 20670 is in Patuxent River, MD, in St. Mary's County.
ZIP code 20670 is located in Maryland (MD).
ZIP code 20670 is in St. Mary's County, MD.
ZIP 20670 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 20670 is 1,577 people (ACS 2023).
The median household income in ZIP code 20670 is $70,945 (ACS 2023).
Home value data not available.
About ZIP Code 20670

ZIP code 20670 is located in Patuxent River, Maryland, within St. Mary's County. With a population of 1,577, this is a sparsely populated ZIP code with a young community — the median age is 22.9 years. Economically, 20670 is a solidly middle-class ZIP code: the median household income of $70,945 is near the national average.

Renters can expect to pay around $2,232 per month in median rent.

The population of 20670 is majority White (54.15%). Residents are well-educated — 42.8% hold a bachelor's degree or higher, which is near the national average. Household income has grown by 32% since 2019.

As in most parts of the country, driving alone is the dominant commute mode at 65%.

Overall, ZIP code 20670 in Patuxent River, MD is characterized as solidly middle-class, well-educated, and a young community.