21814 ZIP Code — Bivalve, MD

Wicomico County, Maryland

ZIP code 21814 is located in Bivalve, Maryland, within Wicomico County. It covers approximately 3.56 square miles and serves a population of 81 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/443.

population

3.56

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21814 ZIP code map

Cities in ZIP code 21814

Below are the cities the US Postal Service accepts for ZIP code 21814. Using any city not on this list may result in mail delivery delays.

City	Status
Bivalve	Preferred

Nearby ZIP codes

21840 Nanticoke (2.6 mi) 21865 Tyaskin (3 mi) 21856 Quantico (5.4 mi) 21869 Vienna (7.1 mi) 21830 Hebron (10.8 mi) 21626 Crapo (11.1 mi) 21821 Deal Island (11.8 mi) 21853 Princess Anne (12.1 mi) 21822 Eden (13 mi) 21837 Mardela Springs (13.9 mi) 21801 Salisbury (14.6 mi) 21826 Fruitland (14.6 mi)

Demographics updated 05/2026

Population
Total population	81
Population density	23 / sq mi
State FIPS	24
County FIPS	045

Geography
Land area	3.56 sq mi
Water area	5.83 sq mi
Latitude	38.2956
Longitude	-75.8894
Timezone	Eastern (ET)
Area code	410/443

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	0.0%	42.5%	28.2%
$50k – $100k	58.6%	31.8%	28.2%
$100k – $200k	41.4%	21.8%	30.1%
Over $200k	0.0%	4.0%	13.4%

Demographics & statistics

Population

People per sq mi

64.0

Median age

Median household income

$24,679

Per capita income

Median home value

Median monthly rent

100.0%

Home ownership

49.4%

Poverty rate

0.0%

Unemployment

118

Housing units

0.0%

Bachelor's or higher

Age distribution

Male Female

60–64

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	81	100.0%
65 and over	40	49.4%
Median age	64.0 years

Race & ethnicity

White 100%

Group	Count	%
White	81	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	0.0%	42.5%	28.2%
$50k – $100k	58.6%	31.8%	28.2%
$100k – $200k	41.4%	21.8%	30.1%
Over $200k	0.0%	4.0%	13.4%

Under $10k 66.7%

$75k–$100k 33.3%

Range	% of households
Under $10k	66.7%
$75k–$100k	33.3%
Median income	$0

Housing

Home values

$100k–$150k 66.7%

$300k–$500k 33.3%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	49.2%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	5.5
Avg household size (owned)	1.35

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	0.0%
1970–1979	33.9%
1960–1969	49.2%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	16.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	0.0%
3 bedrooms	100.0%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	66.7%
2 vehicles	33.3%
3 or more	0.0%

Heating fuel

Fuel type	%
Electricity	66.7%
Propane / LP gas	33.3%

Households & families

Household type	Count	%
Married-couple family	20	33.3%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	40	66.7%
Households with children under 18	0	0.0%
Households with seniors (65+)	40	66.7%
Average household size	1.35

Marital status

Status	Male	Female
Never married	0.0%	0.0%
Married	100.0%	34.4%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.0%	65.6%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 50.6%

Some college, no degree 49.4%

Associate's degree 0.0%

Bachelor's degree 0.0%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	0.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Finance & real estate 51.2%

Other services 48.8%

Occupation

Category	%
Management, business & arts	0.0%
Service	0.0%
Sales & office	100.0%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	100.0%
Government	0.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 49.4%

Under 18 years 0.0%

18 and over 49.4%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	66.7%
Retirement income	0.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	66.7%

Health indicators

Condition	%
Obesity	35.7%
High blood pressure	39.1%
High cholesterol	36.7%
Diabetes	11.3%
Heart disease	6.0%
Stroke	3.2%
Asthma	10.5%
Arthritis	27.6%
Kidney disease	2.9%
Pulmonary disease	6.3%
Cancer	7.2%

Behavior / access	%
Smoking	15.0%
Binge drinking	15.4%
No physical activity	20.2%
Less than 7 hrs sleep	33.4%
Depression	19.0%
Fair or poor health	12.4%
Poor mental health	13.8%
Poor physical health	9.0%
No health insurance	9.5%
Visited doctor (checkup)	79.4%
Visited dentist	63.8%
Cholesterol screening	93.7%
Teeth loss	11.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	49.4%
Under 18	0.0%
18–64 years	0.0%
65 and over	100.0%

Health insurance coverage

Type	%
Private insurance	50.6%
Public insurance	49.4%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	81	100.0%
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)	81	100.0%
Born in same state	81	100.0%
Born in different state	21	25.9%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
English	41	50.6%

Ancestry	Count	%
French	40	49.4%

Technology access

Metric	% of households
Computer access	74.1%
Internet access	100.0%

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

Frequently asked questions about ZIP code 21814

What city is ZIP code 21814 in?

ZIP code 21814 is primarily assigned to Bivalve, Maryland.

What county is ZIP code 21814 in?

ZIP code 21814 falls within Wicomico County, Maryland.

What is the poverty rate in ZIP code 21814?

49% of residents in ZIP code 21814 live below the poverty line, above the national average.

Does ZIP code 21814 have an older population?

49% of residents in ZIP code 21814 are 65 or older, above the national average of ~17%.

Does ZIP code 21814 have a large retiree population?

67% of households in ZIP code 21814 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 21814?

ZIP code 21814 has an estimated population of 81 residents, with a density of 23 people per square mile.

What timezone is ZIP code 21814 in?

ZIP code 21814 observes the EST timezone.