Ridge ZIP Code List — Saint Marys County, MD

There is one unique ZIP code in Ridge, Maryland and it is 20680. Area code: 240/301.

ZIP codes

7.88

sq mi land

1.64

sq mi water

240/301

area code

Ridge, MD ZIP code map

About Ridge, MD

Ridge, MD, is a small, charming community nestled within the scenic landscapes of Saint Marys County. This quaint town is known for its natural beauty and tranquil environment, making it an appealing destination for those seeking respite from busier metropolitan areas. With its friendly atmosphere and tight-knit community, Ridge offers residents a unique and welcoming lifestyle.

Location & geography

Ridge is located in the southern part of Maryland, approximately 50 miles south of Washington, D.C. The town is surrounded by breathtaking waters and rich landscapes, sitting near the Chesapeake Bay and bordered by the Potomac River. The total land area of Ridge measures 7.88 square miles, with 1.64 square miles designated as water, contributing to the beautiful coastal scenery.

Community & economy

The character of Ridge is primarily defined by its friendly residents and close community ties, fostering a sense of belonging among families and newcomers alike. Major industries in the area include agriculture, fishing, and small local businesses, which contribute to the local economy. Daily life in Ridge tends to be peaceful and laid-back, allowing residents to enjoy outdoor activities and community events.

Transportation

Ridge is served by several roads that connect it to surrounding areas, including access to Maryland Route 5, which facilitates travel to nearby towns and cities. The nearest named airports are the Herbert Field Airport, which is a small general aviation airport, and the more distant Washington National Airport, located approximately 50 miles away. Public transportation options are limited, making personal vehicles the primary means of travel in the region.

History

Ridge was established in the early 20th century and has maintained its charm and character throughout the years. The local economy has been historically centered around fishing and agriculture, with the town's location aiding in these industries. Important events in Ridge’s history include its development as a small fishing and farming community, which attracted settlers due to the area’s rich resources.

Did you know?

One surprising fact about Ridge is that it hosts the annual Ridge Community Day, an event that fosters local pride and community spirit. Additionally, Ridge boasts several beautiful parks and nature trails, drawing visitors looking to explore the area's natural beauty.

ZIP codes for Ridge, MD (1)

ZIP code	City	County	Map
20680	Ridge	Saint Marys	View map

Demographics & statistics

588

Population

34.5

Median age

Median household income

$41,938

Per capita income

$389,100

Median home value

Median monthly rent

72.6%

Home ownership

8.2%

Poverty rate

0.4%

Unemployment

216

Housing units

17.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	178	30.3%
18 and over	410	69.7%
65 and over	107	18.2%
Median age	34.5 years

Race & ethnicity

White 53.5%

Hispanic or Latino 17.1%

Other race 17.1%

Black or African American 12.4%

Group	Count	%
White	379	53.5%
Hispanic or Latino	121	17.1%
Other race	121	17.1%
Black or African American	88	12.4%

Household income

Under $10k 20.2%

$35k–$50k 22.0%

$50k–$75k 7.2%

$75k–$100k 2.7%

$100k–$150k 29.6%

$200k+ 18.4%

Range	% of households
Under $10k	20.2%
$35k–$50k	22.0%
$50k–$75k	7.2%
$75k–$100k	2.7%
$100k–$150k	29.6%
$200k+	18.4%
Median income	$0

Housing

Home values

$150k–$200k 9.3%

$200k–$300k 10.5%

$300k–$500k 54.9%

$500k–$1M 25.3%

Housing overview

Metric	Value
Median home value	$389,100
Median rent / month	$0
Owner occupied	72.6%
Renter occupied	27.4%
Vacant	19.5%
Single-family detached	94.2%
Large apartment buildings	0.0%
Mobile homes	5.8%
Median rooms	5.8
Avg household size (owned)	3.04

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	1.4%
1990–1999	0.0%
1980–1989	4.0%
1970–1979	7.2%
1960–1969	7.2%
1950–1959	32.9%
1940–1949	18.4%
1939 or earlier	28.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	28.9%
3 bedrooms	61.7%
4 bedrooms	9.4%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	34.1%
2 vehicles	11.2%
3 or more	54.7%

Heating fuel

Fuel type	%
Electricity	45.3%
Propane / LP gas	34.5%
Fuel oil	20.2%

Households & families

Household type	Count	%
Married-couple family	101	45.3%
Cohabiting couple	51	22.9%
Male householder, no spouse	45	20.2%
Female householder, no spouse	26	11.7%
Households with children under 18	73	32.7%
Households with seniors (65+)	86	38.6%
Average household size	2.62

Marital status

Status	Male	Female
Never married	39.7%	42.3%
Married	42.5%	45.6%
Separated	0.0%	0.0%
Widowed	0.0%	12.1%
Divorced	17.9%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 52.8%

Some college, no degree 24.5%

Associate's degree 4.8%

Bachelor's degree 10.4%

Graduate / professional 7.6%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	17.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	65	47.8%
High school	70	51.5%
College / grad school	1	0.7%

Employment

Industry of employment

Construction 33.9%

Wholesale trade 21.1%

Education & healthcare 19.8%

Professional & management 17.8%

Transportation & utilities 7.0%

Other services 0.4%

Occupation

Category	%
Management, business & arts	48.3%
Service	11.6%
Sales & office	11.2%
Natural resources & construction	27.3%
Production & transportation	1.7%

Employment type

Type	%
Private sector	73.1%
Government	20.7%
Self-employed	6.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	57.0%
Carpool	7.0%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	21.3

Poverty

All people 8.2%

Under 18 years 0.6%

18 and over 11.5%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	45.3%
Retirement income	36.3%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	22.9%

Health indicators

Condition	%
High blood pressure	39.3%
High cholesterol	38.5%
Heart disease	7.1%
Stroke	3.2%
Asthma	9.7%
Arthritis	29.8%
Kidney disease	3.0%
Pulmonary disease	6.6%
Cancer	8.0%

Behavior / access	%
Binge drinking	14.2%
No physical activity	21.8%
Less than 7 hrs sleep	34.9%
Fair or poor health	12.2%
Poor mental health	12.8%
Poor physical health	8.9%
No health insurance	8.7%
Visited doctor (checkup)	78.7%
Visited dentist	70.4%
Cholesterol screening	93.5%
Teeth loss	10.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	98	23.9%

Disability	%
Any disability	23.6%
Under 18	16.9%
18–64 years	9.6%
65 and over	74.8%

Health insurance coverage

Type	%
Private insurance	63.3%
Public insurance	41.5%
Uninsured under 19	7.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	532	90.5%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	588	100.0%
Born in same state	588	100.0%
Born in different state	367	62.4%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	88	15%
Italian	66	11.2%

Ancestry	Count	%
English	45	7.7%
Arab	7	1.2%

Technology access

Metric	% of households
Computer access	37.9%
Internet access	100.0%

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

Frequently asked questions

What is the ZIP code for Ridge, MD?

Ridge, MD has one ZIP code: 20680.

What is the main ZIP code for Ridge, MD?

The primary ZIP code for Ridge, MD is 20680. The city uses area code 240 or 301 for phone service.

What county is Ridge, MD in?

Ridge is located in Saint Marys County, Maryland.

How many ZIP codes are in Ridge, MD?

Ridge, MD has 1 ZIP code.

What ZIP code covers the Ridge community in Saint Marys County, Maryland?

Ridge, Maryland is served by the single ZIP code 20680, which encompasses the entire community located in southern Saint Marys County.

If I'm mailing a letter to a residence in Ridge near the Ridge Volunteer Fire Department, what ZIP code should I use?

You should use ZIP code 20680 for any mailing address in Ridge, as this is the only ZIP code serving the area including locations near the Ridge Volunteer Fire Department.