Saint Inigoes ZIP Codes — Saint Marys County, MD

There is one unique ZIP code in Saint Inigoes, Maryland and it is 20684. Area code: 240/301.
1
ZIP codes
8.34
sq mi land
3.39
sq mi water
240/301
area code
Saint Inigoes, MD ZIP code map

About Saint Inigoes, MD

Saint Inigoes, Maryland is a small community located within Saint Mary's County. Known for its picturesque landscapes and serene environment, it offers a peaceful retreat for residents and visitors alike. The area is rich in history and provides a glimpse into the maritime culture of Southern Maryland.

Location & geography

Saint Inigoes is bordered by significant bodies of water and offers a blend of land and aquatic spaces. The total land area is 8.34 square miles, complemented by 3.39 square miles of water, making it a prime location for water-based activities. Nearby cities include Leonardtown, located approximately 10 miles to the northwest, California, roughly 9 miles to the west, and Great Mills, about 8 miles to the west.

Community & economy

The community of Saint Inigoes is characterized by its charming residential neighborhoods and close-knit atmosphere. Many residents are engaged in industries related to tourism, education, and the military, reflecting the area's rich naval history. Daily life here is often centered around community gatherings, local events, and enjoying the scenic beauty of the surrounding landscape.

Transportation

Saint Inigoes is accessible via several local roads, with nearby Maryland Route 5 providing a direct route to neighboring areas. The closest major airport is the potential nearby Naval Air Station Patuxent River, which serves both military and civilian flights. Public transit options are limited, so most residents rely on personal vehicles for transportation.

History

Saint Inigoes was founded during the colonial era in Maryland and has roots that trace back to European settlers. The area became significant due to its proximity to the Chesapeake Bay, fostering industries such as fishing and boat building. Over the years, it has evolved into a quiet residential community, but its maritime significance remains a key part of its identity.

Did you know?

One surprising fact about Saint Inigoes is that it is known for the historic Saint Inigoes Church, one of the oldest Catholic churches in the United States. Additionally, the community is located near the Patuxent River, a vital waterway for both ecological health and local recreation.

ZIP codes for Saint Inigoes, MD (1)
ZIP code City County Map
20684 Saint Inigoes Saint Marys View map

Demographics & statistics

627
Population
57.0
Median age
$137,188
Median household income
$62,816
Per capita income
$397,900
Median home value
$0
Median monthly rent
86.4%
Home ownership
1.4%
Poverty rate
0.0%
Unemployment
260
Housing units
64.9%
Bachelor's or higher

Age distribution

Male Female
16
10–14
17
7
15–19
8
6
20–24
6
16
25–34
17
37
35–44
38
51
45–54
52
39
55–59
40
12
60–64
13
76
65–74
77
48
75–84
48
1
85+
2
← Male
Female →

Age summary

GroupCount%
Under 18335.3%
18 and over59494.7%
65 and over25240.2%
Median age57.0 years

Race & ethnicity

White 92.7%
Two or more races 5.6%
Black or African American 1.6%
Hispanic or Latino 0.2%
GroupCount%
White58292.7%
Two or more races355.6%
Black or African American101.6%
Hispanic or Latino10.2%

Household income

$10k–$15k 1.0%
$35k–$50k 26.9%
$50k–$75k 15.0%
$75k–$100k 1.3%
$100k–$150k 12.3%
$150k–$200k 28.6%
$200k+ 15.0%
Range% of households
$10k–$15k1.0%
$35k–$50k26.9%
$50k–$75k15.0%
$75k–$100k1.3%
$100k–$150k12.3%
$150k–$200k28.6%
$200k+15.0%
Median income$137,188

Housing

Home values

$100k–$150k 18.5%
$200k–$300k 13.8%
$300k–$500k 51.2%
$500k–$1M 16.5%

Housing overview

MetricValue
Median home value$397,900
Median rent / month$0
Owner occupied86.4%
Renter occupied13.6%
Vacant0.0%
Single-family detached87.0%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms7.3
Avg household size (owned)2.24

Year built

Era%
2020 or later0.0%
2010–201918.9%
2000–200911.6%
1990–199917.6%
1980–198920.6%
1970–19790.0%
1960–19691.0%
1950–19595.0%
1940–194923.9%
1939 or earlier1.3%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms7.6%
3 bedrooms24.6%
4 bedrooms67.8%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle14.6%
2 vehicles50.8%
3 or more34.6%

Heating fuel

Fuel type%
Utility gas1.3%
Electricity55.8%
Propane / LP gas9.6%
Fuel oil20.9%
Wood12.3%

Households & families

Household typeCount%
Married-couple family21671.8%
Cohabiting couple00.0%
Male householder, no spouse4113.6%
Female householder, no spouse4414.6%
Households with children under 18186.0%
Households with seniors (65+)15350.8%
Average household size2.07

Marital status

StatusMaleFemale
Never married18.4%14.3%
Married75.2%62.7%
Separated6.5%0.0%
Widowed0.0%8.7%
Divorced0.0%14.3%

Education

Less than 9th grade 0.0%
Some HS, no diploma 0.0%
HS graduate 20.8%
Some college, no degree 14.3%
Associate's degree 0.0%
Bachelor's degree 46.0%
Graduate / professional 18.9%
Metric%
HS diploma or higher100.0%
Bachelor's or higher64.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school3356.9%
High school00.0%
College / grad school2543.1%

Employment

Industry of employment

Public administration 30.0%
Education & healthcare 19.2%
Retail trade 17.6%
Professional & management 15.8%
Agriculture & mining 6.8%
Manufacturing 5.3%
Arts, food & hospitality 4.3%
Construction 0.9%

Occupation

Category%
Management, business & arts59.4%
Service5.6%
Sales & office22.9%
Natural resources & construction8.0%
Production & transportation4.0%

Employment type

Type%
Private sector42.7%
Government42.7%
Self-employed0.9%
Unpaid family workers13.6%

Commute

Method%
Drive alone62.5%
Carpool0.0%
Public transit0.0%
Walk5.5%
Other means0.0%
Avg commute (minutes)15.5

Poverty

All people 1.4%
Under 18 years 0.0%
18 and over 1.5%
Married-couple families 0.0%
Female-led households 14.3%

Income support

Source% of households
Social Security60.1%
Retirement income33.9%
Supplemental Security9.3%
Cash public assistance0.0%
Food stamps / SNAP9.3%

Health indicators

Condition%
High blood pressure37.4%
High cholesterol36.9%
Heart disease6.4%
Stroke3.0%
Asthma10.0%
Arthritis28.1%
Kidney disease2.8%
Pulmonary disease6.2%
Cancer7.3%
Behavior / access%
Binge drinking14.8%
No physical activity21.4%
Less than 7 hrs sleep35.0%
Fair or poor health11.8%
Poor mental health13.4%
Poor physical health8.7%
No health insurance8.8%
Visited doctor (checkup)78.2%
Visited dentist70.5%
Cholesterol screening92.7%
Teeth loss10.8%

Veterans & disability

VeteransCount%
Civilian veterans9015.2%
Disability%
Any disability22.8%
Under 180.0%
18–64 years20.7%
65 and over28.6%

Health insurance coverage

Type%
Private insurance85.2%
Public insurance48.0%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only627100.0%
Spanish10.2%
Other Indo-European10.2%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)62399.4%
Born in same state62399.4%
Born in different state17728.2%
Foreign born00.0%
Naturalized citizen40.6%
Not a US citizen4100.0%

Ancestry

AncestryCount%
French21033.5%
Italian8713.9%
AncestryCount%
Arab10.2%

Technology access

Metric% of households
Computer access48.0%
Internet access85.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Saint Inigoes, MD have?
Saint Inigoes, MD has one ZIP code: 20684. Each ZIP code serves a distinct delivery area within the city and surrounding region.
Need the complete Maryland ZIP code database? Download all MD ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →