20677 ZIP Code — Port Tobacco, MD

Charles County, Maryland

ZIP code 20677 is located in Port Tobacco, Maryland, within Charles County. It covers approximately 15.65 square miles and serves a population of 2,055 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240/301.

About ZIP code 20677

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $514,700. Owner-occupancy is high at 97%, well above the national average.

Median household income is $156,161. The poverty rate of 7% is below the national average. 35% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Overall, ZIP code 20677 reflects a community defined by high homeownership and a significant Social Security-dependent population.

2,055

population

15.65

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20677 ZIP code map

Cities in ZIP code 20677

Below are the cities the US Postal Service accepts for ZIP code 20677. Using any city not on this list may result in mail delivery delays.

City	Status
Port Tobacco	Preferred

Nearby ZIP codes

20646 La Plata (2.3 mi) 20611 Bel Alton (4.3 mi) 20693 Welcome (4.6 mi) 20632 Faulkner (6.1 mi) 20675 Pomfret (6.1 mi) 20695 White Plains (7.1 mi) 20658 Marbury (8 mi) 20640 Indian Head (8.2 mi) 20603 Waldorf (9.6 mi) 20602 Waldorf (10 mi) 20617 Bryantown (10.4 mi) 20662 Nanjemoy (10.5 mi)

Demographics updated 05/2026

Population
Total population	2,055
Population density	131 / sq mi
State FIPS	24
County FIPS	017

Geography
Land area	15.65 sq mi
Water area	1.94 sq mi
Latitude	38.4965
Longitude	-77.0435
Timezone	Eastern (ET)
Area code	240/301

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.3%	20.2%	28.2%
$50k – $100k	13.5%	28.0%	28.2%
$100k – $200k	30.3%	38.4%	30.1%
Over $200k	29.8%	13.4%	13.4%

Demographics & statistics

2,055

Population

131

People per sq mi

50.2

Median age

$156,161

Median household income

$53,952

Per capita income

$514,700

Median home value

Median monthly rent

97.0%

Home ownership

6.5%

Poverty rate

5.7%

Unemployment

731

Housing units

29.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

117

25–34

113

35–44

144

45–54

139

160

55–59

153

103

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	330	16.1%
18 and over	1,725	83.9%
65 and over	363	17.7%
Median age	50.2 years

Race & ethnicity

White 73.3%

Black or African American 12.6%

Two or more races 5.6%

Hispanic or Latino 5.2%

Asian 2.6%

Other race 0.6%

Group	Count	%
White	1,590	73.3%
Black or African American	273	12.6%
Two or more races	122	5.6%
Hispanic or Latino	113	5.2%
Asian	56	2.6%
Other race	14	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.3%	20.2%	28.2%
$50k – $100k	13.5%	28.0%	28.2%
$100k – $200k	30.3%	38.4%	30.1%
Over $200k	29.8%	13.4%	13.4%

Under $10k 8.6%

$10k–$15k 0.7%

$15k–$25k 3.0%

$25k–$35k 4.8%

$35k–$50k 7.2%

$50k–$75k 1.9%

$75k–$100k 4.7%

$100k–$150k 18.1%

$150k–$200k 13.8%

$200k+ 37.1%

Range	% of households
Under $10k	8.6%
$10k–$15k	0.7%
$15k–$25k	3.0%
$25k–$35k	4.8%
$35k–$50k	7.2%
$50k–$75k	1.9%
$75k–$100k	4.7%
$100k–$150k	18.1%
$150k–$200k	13.8%
$200k+	37.1%
Median income	$156,161

Housing

Home values

Under $50k 1.0%

$100k–$150k 1.0%

$200k–$300k 14.0%

$300k–$500k 31.5%

$500k–$1M 51.2%

$1M+ 1.3%

Housing overview

Metric	Value
Median home value	$514,700
Median rent / month	$0
Owner occupied	97.0%
Renter occupied	3.0%
Vacant	4.0%
Single-family detached	99.1%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	8.5
Avg household size (owned)	2.88

Year built

Era	%
2020 or later	0.0%
2010–2019	10.4%
2000–2009	21.9%
1990–1999	12.0%
1980–1989	5.6%
1970–1979	25.8%
1960–1969	17.1%
1950–1959	7.2%
1940–1949	0.0%
1939 or earlier	0.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	4.0%
2 bedrooms	4.1%
3 bedrooms	29.1%
4 bedrooms	34.0%
5+ bedrooms	27.9%

Vehicles per household

Vehicles	% of households
No vehicle	5.7%
1 vehicle	11.9%
2 vehicles	27.8%
3 or more	54.6%

Heating fuel

Fuel type	%
Utility gas	1.2%
Electricity	60.2%
Propane / LP gas	9.5%
Fuel oil	22.7%
Wood	6.4%

Households & families

Household type	Count	%
Married-couple family	475	65.7%
Cohabiting couple	70	9.7%
Male householder, no spouse	85	11.8%
Female householder, no spouse	93	12.9%
Households with children under 18	170	23.5%
Households with seniors (65+)	277	38.3%
Average household size	2.83

Marital status

Status	Male	Female
Never married	26.2%	17.3%
Married	61.9%	60.1%
Separated	1.0%	0.0%
Widowed	1.4%	12.0%
Divorced	9.6%	10.6%

Education

Less than 9th grade 0.9%

Some HS, no diploma 3.9%

HS graduate 38.0%

Some college, no degree 22.7%

Associate's degree 4.5%

Bachelor's degree 17.2%

Graduate / professional 12.7%

Metric	%
HS diploma or higher	95.1%
Bachelor's or higher	29.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	181	57.3%
High school	55	17.4%
College / grad school	80	25.3%

Employment

Industry of employment

Education & healthcare 20.4%

Professional & management 18.6%

Construction 18.5%

Public administration 10.5%

Transportation & utilities 8.8%

Retail trade 8.2%

Finance & real estate 5.3%

Arts, food & hospitality 3.4%

Other services 2.9%

Information 1.5%

Agriculture & mining 1.3%

Manufacturing 0.6%

Occupation

Category	%
Management, business & arts	57.1%
Service	12.8%
Sales & office	14.2%
Natural resources & construction	11.6%
Production & transportation	4.4%

Employment type

Type	%
Private sector	52.9%
Government	36.0%
Self-employed	8.9%
Unpaid family workers	2.2%

Commute

Method	%
Drive alone	78.6%
Carpool	2.2%
Public transit	0.0%
Walk	0.0%
Work from home	19.1%
Other means	0.0%
Avg commute (minutes)	38.1

Poverty

All people 6.5%

Under 18 years 0.0%

18 and over 7.7%

Married-couple families 4.2%

Female-led households 0.0%

Income support

Source	% of households
Social Security	34.6%
Retirement income	36.4%
Supplemental Security	3.3%
Cash public assistance	0.0%
Food stamps / SNAP	6.6%

Health indicators

Condition	%
Obesity	37.7%
High blood pressure	38.1%
High cholesterol	37.1%
Diabetes	11.2%
Heart disease	5.8%
Stroke	2.9%
Asthma	9.8%
Arthritis	25.9%
Kidney disease	2.7%
Pulmonary disease	6.2%
Cancer	6.7%

Behavior / access	%
Smoking	16.0%
Binge drinking	14.1%
No physical activity	22.7%
Less than 7 hrs sleep	35.9%
Depression	17.3%
Fair or poor health	11.8%
Poor mental health	13.3%
Poor physical health	8.5%
No health insurance	9.2%
Visited doctor (checkup)	79.3%
Visited dentist	66.8%
Cholesterol screening	93.1%
Teeth loss	10.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	135	7.8%

Disability	%
Any disability	8.4%
Under 18	0.0%
18–64 years	3.8%
65 and over	33.1%

Health insurance coverage

Type	%
Private insurance	81.7%
Public insurance	30.1%
No insurance	1.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,961	95.4%
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)	1,980	96.4%
Born in same state	1,980	96.4%
Born in different state	1,088	52.9%
Foreign born	0	0.0%
Naturalized citizen	75	3.6%
Not a US citizen	63	84.0%

Ancestry

Ancestry	Count	%
French	463	22.5%
Italian	190	9.2%
Arab	130	6.3%

Ancestry	Count	%
Polish	53	2.6%
English	17	0.8%
German	8	0.4%

Technology access

Metric	% of households
Computer access	35.2%
Internet access	92.0%

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

Frequently asked questions about ZIP code 20677

What city is ZIP code 20677 in?

ZIP code 20677 is primarily assigned to Port Tobacco, Maryland.

What county is ZIP code 20677 in?

ZIP code 20677 falls within Charles County, Maryland.

Is ZIP code 20677 mostly owner-occupied?

97% of occupied units in ZIP code 20677 are owner-occupied, well above the national average.

What is the median household income in ZIP code 20677?

The median household income in ZIP code 20677 is $156,161, above the national median of ~$75,000.

What is the typical home value in ZIP code 20677?

The median home value in ZIP code 20677 is $514,700.

What is the population of ZIP code 20677?

ZIP code 20677 has an estimated population of 2,055 residents, with a density of 131 people per square mile.

What timezone is ZIP code 20677 in?

ZIP code 20677 observes the EST timezone.