20676 ZIP Code — Port Republic, MD

Calvert County, Maryland

ZIP code 20676 is located in Port Republic, Maryland, within Calvert County. It covers approximately 14.43 square miles and serves a population of 2,897 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443/410.

About ZIP code 20676

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $449,200. Owner-occupancy is high at 88%, well above the national average.

Median household income is $161,071. 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 44 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 20676 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

2,897

population

14.43

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20676 ZIP code map

Cities in ZIP code 20676

Below are the cities the US Postal Service accepts for ZIP code 20676. Using any city not on this list may result in mail delivery delays.

City	Status
Port Republic	Preferred

Nearby ZIP codes

20678 Prince Frederick (2.9 mi) 20685 Saint Leonard (4.3 mi) 20615 Broomes Island (5.5 mi) 20639 Huntingtown (8.5 mi) 20659 Mechanicsville (9.7 mi) 20657 Lusby (9.8 mi) 20636 Hollywood (10.2 mi) 20608 Aquasco (10.8 mi) 20732 Chesapeake Beach (11.4 mi) 20689 Sunderland (11.8 mi) 20656 Loveville (11.9 mi) 20688 Solomons (12.2 mi)

Demographics updated 05/2026

Population
Total population	2,897
Population density	201 / sq mi
State FIPS	24
County FIPS	009

Geography
Land area	14.43 sq mi
Water area	1.34 sq mi
Latitude	38.4951
Longitude	-76.5446
Timezone	Eastern (ET)
Area code	443/410

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.0%	17.9%	28.2%
$50k – $100k	27.2%	25.0%	28.2%
$100k – $200k	39.7%	39.4%	30.1%
Over $200k	16.0%	17.7%	13.4%

Demographics & statistics

2,897

Population

201

People per sq mi

50.0

Median age

$161,071

Median household income

$59,027

Per capita income

$449,200

Median home value

$1,633

Median monthly rent

87.5%

Home ownership

7.0%

Poverty rate

2.6%

Unemployment

1,241

Housing units

37.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

113

15–19

100

20–24

197

25–34

173

128

35–44

113

216

45–54

190

111

55–59

197

60–64

173

150

65–74

131

143

75–84

126

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	442	15.3%
18 and over	2,455	84.7%
65 and over	591	20.4%
Median age	50.0 years

Race & ethnicity

White 86.5%

Black or African American 6.3%

Two or more races 5.1%

Hispanic or Latino 2.1%

Group	Count	%
White	2,559	86.5%
Black or African American	186	6.3%
Two or more races	152	5.1%
Hispanic or Latino	61	2.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.0%	17.9%	28.2%
$50k – $100k	27.2%	25.0%	28.2%
$100k – $200k	39.7%	39.4%	30.1%
Over $200k	16.0%	17.7%	13.4%

Under $10k 0.7%

$10k–$15k 0.5%

$15k–$25k 6.8%

$25k–$35k 2.1%

$35k–$50k 8.5%

$50k–$75k 6.7%

$75k–$100k 5.5%

$100k–$150k 16.4%

$150k–$200k 33.1%

$200k+ 19.8%

Range	% of households
Under $10k	0.7%
$10k–$15k	0.5%
$15k–$25k	6.8%
$25k–$35k	2.1%
$35k–$50k	8.5%
$50k–$75k	6.7%
$75k–$100k	5.5%
$100k–$150k	16.4%
$150k–$200k	33.1%
$200k+	19.8%
Median income	$161,071

Housing

Home values

$150k–$200k 5.7%

$200k–$300k 3.8%

$300k–$500k 60.1%

$500k–$1M 30.4%

Housing overview

Metric	Value
Median home value	$449,200
Median rent / month	$1,633
Owner occupied	87.5%
Renter occupied	12.5%
Vacant	16.0%
Single-family detached	95.0%
Large apartment buildings	0.0%
Mobile homes	5.0%
Median rooms	7.1
Avg household size (owned)	2.50

Year built

Era	%
2020 or later	0.0%
2010–2019	4.9%
2000–2009	15.2%
1990–1999	19.6%
1980–1989	12.8%
1970–1979	14.6%
1960–1969	9.5%
1950–1959	12.8%
1940–1949	5.3%
1939 or earlier	5.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.7%
2 bedrooms	17.0%
3 bedrooms	34.1%
4 bedrooms	36.6%
5+ bedrooms	10.6%

Vehicles per household

Vehicles	% of households
No vehicle	0.8%
1 vehicle	14.6%
2 vehicles	31.5%
3 or more	53.1%

Heating fuel

Fuel type	%
Utility gas	5.0%
Electricity	55.6%
Propane / LP gas	10.8%
Fuel oil	16.7%
Wood	11.9%

Households & families

Household type	Count	%
Married-couple family	672	57.7%
Cohabiting couple	68	5.8%
Male householder, no spouse	216	18.6%
Female householder, no spouse	208	17.9%
Households with children under 18	238	20.4%
Households with seniors (65+)	463	39.8%
Average household size	2.48

Marital status

Status	Male	Female
Never married	34.0%	22.8%
Married	52.8%	51.0%
Separated	2.0%	2.5%
Widowed	6.2%	15.6%
Divorced	5.0%	8.1%

Education

Less than 9th grade 0.2%

Some HS, no diploma 3.8%

HS graduate 27.7%

Some college, no degree 21.1%

Associate's degree 9.7%

Bachelor's degree 17.3%

Graduate / professional 20.3%

Metric	%
HS diploma or higher	96.0%
Bachelor's or higher	37.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	18	3.6%
Kindergarten	0	0.0%
Elementary school	183	36.8%
High school	247	49.7%
College / grad school	49	9.9%

Employment

Industry of employment

Education & healthcare 21.2%

Public administration 20.0%

Construction 18.2%

Other services 9.1%

Professional & management 8.7%

Finance & real estate 5.0%

Transportation & utilities 4.5%

Retail trade 4.3%

Arts, food & hospitality 3.7%

Manufacturing 2.2%

Agriculture & mining 1.7%

Information 0.9%

Wholesale trade 0.5%

Occupation

Category	%
Management, business & arts	51.0%
Service	10.6%
Sales & office	10.3%
Natural resources & construction	21.8%
Production & transportation	6.3%

Employment type

Type	%
Private sector	63.0%
Government	30.9%
Self-employed	4.9%
Unpaid family workers	1.2%

Commute

Method	%
Drive alone	76.2%
Carpool	6.8%
Public transit	2.8%
Walk	1.1%
Work from home	13.2%
Other means	0.0%
Avg commute (minutes)	43.7

Poverty

All people 7.0%

Under 18 years 8.9%

18 and over 6.7%

Married-couple families 5.7%

Female-led households 36.4%

Income support

Source	% of households
Social Security	35.2%
Retirement income	33.4%
Supplemental Security	0.5%
Cash public assistance	3.4%
Food stamps / SNAP	2.7%

Health indicators

Condition	%
Obesity	35.8%
High blood pressure	33.4%
High cholesterol	34.9%
Diabetes	9.8%
Heart disease	5.3%
Stroke	2.7%
Asthma	9.8%
Arthritis	27.1%
Kidney disease	2.5%
Pulmonary disease	5.8%
Cancer	6.7%

Behavior / access	%
Smoking	15.4%
Binge drinking	15.4%
No physical activity	19.8%
Less than 7 hrs sleep	35.9%
Depression	18.6%
Fair or poor health	11.0%
Poor mental health	13.6%
Poor physical health	8.1%
No health insurance	9.2%
Visited doctor (checkup)	75.7%
Visited dentist	70.1%
Cholesterol screening	92.9%
Teeth loss	9.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	289	11.8%

Disability	%
Any disability	10.1%
Under 18	0.0%
18–64 years	5.8%
65 and over	31.1%

Health insurance coverage

Type	%
Private insurance	91.2%
Public insurance	26.4%
No insurance	0.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,791	96.3%
Spanish	10	0.4%
Other Indo-European	10	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,849	98.3%
Born in same state	2,823	97.4%
Born in different state	1,545	53.3%
Foreign born	26	0.9%
Naturalized citizen	48	1.7%
Not a US citizen	48	100.0%

Ancestry

Ancestry	Count	%
Italian	550	19%
French	487	16.8%
Arab	301	10.4%

Ancestry	Count	%
English	40	1.4%
Polish	31	1.1%

Technology access

Metric	% of households
Computer access	40.2%
Internet access	97.9%

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

Frequently asked questions about ZIP code 20676

What city is ZIP code 20676 in?

ZIP code 20676 is primarily assigned to Port Republic, Maryland.

What county is ZIP code 20676 in?

ZIP code 20676 falls within Calvert County, Maryland.

Is ZIP code 20676 mostly owner-occupied?

88% of occupied units in ZIP code 20676 are owner-occupied, well above the national average.

Does ZIP code 20676 have a large veteran population?

12% of civilians in ZIP code 20676 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 20676?

The median household income in ZIP code 20676 is $161,071, above the national median of ~$75,000.

What is the typical home value in ZIP code 20676?

The median home value in ZIP code 20676 is $449,200.

What timezone is ZIP code 20676 in?

ZIP code 20676 observes the EST timezone.