US ZIP Code
20684

Saint Inigoes, MD

St. Mary's County  ·  Maryland

● Active
👥 825 Population ↓ 23% since 2019
💰 $176,938 Median HH Income
▲ 132% above avg ↑ 65% since 2019
🎂 44.5 Median Age ↓ 16% since 2019
🏠 $375,500 Median Home Value
▲ 35% above avg ↑ 24% since 2019
🎓 53.3% College Grads
▲ 37% above avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code20684
CitySaint Inigoes
StateMaryland (MD)
CountySt. Mary's County
Area Code227/240/301
Elevation17 ft
Latitude38.125487
Longitude-76.420544
TimezoneNew York (DST)
FIPS24037
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 39.4% (325) Female 60.6% (500) ♀

Race & Ethnicity

White: 87.9%Hispanic: 0.1%Black: 1.2%Other: 10.8%Race
White87.9%
Hispanic0.1%
Black1.2%
Other10.8%

Age Breakdown

5–17
13%
18–24
6%
25–44
34%
45–64
24%
65+
9%

Key Indicators

Median Age44.5 yrs ↓ 16% since 2019
Avg Household Size2.32
Below Poverty1.1% ▼ 89% below avg
College Grads53.3% ▲ 37% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate202 (30.6%)
Some College61 (9.2%)
Associates46 (7%)
Bachelors17 (2.6%)
Graduate Degree335 (50.7%)

Education

HS Grad: 30.6%Some College: 9.2%Associates: 7%Bachelors: 2.6%Graduate: 50.7%Edu
HS Grad30.6%
Some College9.2%
Associates7.0%
Bachelors2.6%
Graduate50.7%
Housing & Income

Housing Tenure

Owner: 94.7%Renter: 5.4%Tenure
Owner94.7%
Renter5.4%

Home Value Distribution

$200k–300k
25%
$300k–500k
58%
Over $500k
17%

Financials

Median HH Income$176,938 ▲ 132% above avg ↑ 65% since 2019
Median Home Value$375,500 ▲ 35% above avg ↑ 24% since 2019
Home/Income Ratio2.1x (nat avg ~3.5x)
Total Units355
Avg HH Size2.32

Income Distribution

Under $25k
1%
$50k–75k
22%
$100k–150k
10%
$150k–200k
32%
Over $200k
35%
Employment & Commute

How People Get to Work

Drove Alone
82%
Walked
0%
Work From Home
18%

Commute Time

Under 15 min
14%
15–30 min
58%
30–45 min
24%
Over 45 min
4%
Housing Stock

Year Built

1940s–1950s
6%
1960s–1970s
14%
1980s–1990s
25%
2000+
55%

Summary

Total Units355
Owner Occupied94.7%
Renter Occupied5.4%
Avg HH Size2.32
Frequently Asked Questions
ZIP code 20684 is in Saint Inigoes, MD, in St. Mary's County.
ZIP code 20684 is located in Maryland (MD).
ZIP code 20684 is in St. Mary's County, MD.
ZIP 20684 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 20684 is 825 people (ACS 2023).
The median household income in ZIP code 20684 is $176,938 (ACS 2023).
The median home value in ZIP 20684 is $375,500 (ACS 2023).
About ZIP Code 20684

ZIP code 20684 is located in Saint Inigoes, Maryland, within St. Mary's County. With a population of 825, this is a sparsely populated ZIP code with a middle-aged community — the median age is 44.5 years. Economically, 20684 is a affluent ZIP code: the median household income of $176,938 is more than double the national average.

Real estate in ZIP code 20684 represents a mid-range housing market. The median home value of $375,500 is above the national average. Homeownership is strong here — 94.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 24% since 2019.

The population of 20684 is primarily White (87.88%). Residents are well-educated — 53.3% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 1.1%. Household income has grown by 65% since 2019.

About 17% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 79%.

Overall, ZIP code 20684 in Saint Inigoes, MD is characterized as affluent, well-educated, a middle-aged community, and predominantly owner-occupied. With 825 residents, a median household income of $176,938, and a median home value of $375,500, it offers a clear picture of life in this part of Maryland.