23356 ZIP Code — Greenbackville, VA

Accomack County, Virginia

ZIP code 23356 is located in Greenbackville, Virginia, within Accomack County. It covers approximately 3.55 square miles and serves a population of 1,232 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 757.

About ZIP code 23356

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $214,200. Owner-occupancy is high at 94%, well above the national average.

Median household income is $66,667. 70% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.

Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 15% of civilians, above the national average of 7%.

Overall, ZIP code 23356 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

1,232

population

3.55

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

23356 ZIP code map

Cities in ZIP code 23356

Below are the cities the US Postal Service accepts for ZIP code 23356. Using any city not on this list may result in mail delivery delays.

City	Status
Greenbackville	Acceptable
Greenbackville	Preferred

Nearby ZIP codes

23395 Horntown (3.8 mi) 23336 Chincoteague Island (6.1 mi) 21829 Girdletree (6.6 mi) 23415 New Church (7.2 mi) 23303 Atlantic (8.9 mi) 23337 Wallops Island (9.4 mi) 21851 Pocomoke City (9.6 mi) 23396 Oak Hall (10.1 mi) 23416 Oak Hall (10.5 mi) 23488 Withams (11.2 mi) 23442 Temperanceville (11.2 mi) 23302 Assawoman (11.9 mi)

Demographics updated 05/2026

Population
Total population	1,232
Population density	347 / sq mi
State FIPS	51
County FIPS	001

Geography
Land area	3.55 sq mi
Water area	12.28 sq mi
Latitude	38.0002
Longitude	-75.4100
Timezone	Eastern (ET)
Area code	757

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.6%	52.8%	32.9%
$50k – $100k	43.9%	30.6%	29.2%
$100k – $200k	29.5%	13.7%	26.3%
Over $200k	0.0%	2.9%	11.6%

Demographics & statistics

1,232

Population

347

People per sq mi

62.6

Median age

$66,667

Median household income

$32,309

Per capita income

$214,200

Median home value

Median monthly rent

93.8%

Home ownership

1.9%

Poverty rate

11.4%

Unemployment

1,089

Housing units

31.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

147

65–74

154

110

75–84

116

← Male

Female →

Age summary

Group	Count	%
Under 18	271	22.0%
18 and over	961	78.0%
65 and over	527	42.8%
Median age	62.6 years

Race & ethnicity

White 98.3%

Black or African American 1.7%

Group	Count	%
White	1,211	98.3%
Black or African American	21	1.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.6%	52.8%	32.9%
$50k – $100k	43.9%	30.6%	29.2%
$100k – $200k	29.5%	13.7%	26.3%
Over $200k	0.0%	2.9%	11.6%

$10k–$15k 2.5%

$15k–$25k 5.0%

$25k–$35k 4.4%

$35k–$50k 13.1%

$50k–$75k 28.5%

$75k–$100k 11.9%

$100k–$150k 30.0%

$150k–$200k 4.6%

Range	% of households
$10k–$15k	2.5%
$15k–$25k	5.0%
$25k–$35k	4.4%
$35k–$50k	13.1%
$50k–$75k	28.5%
$75k–$100k	11.9%
$100k–$150k	30.0%
$150k–$200k	4.6%
Median income	$66,667

Housing

Home values

Under $50k 4.2%

$100k–$150k 6.0%

$150k–$200k 29.8%

$200k–$300k 47.3%

$300k–$500k 5.6%

$500k–$1M 7.1%

Housing overview

Metric	Value
Median home value	$214,200
Median rent / month	$0
Owner occupied	93.8%
Renter occupied	6.3%
Vacant	57.1%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	5.6
Avg household size (owned)	2.49

Year built

Era	%
2020 or later	0.0%
2010–2019	10.2%
2000–2009	53.9%
1990–1999	17.3%
1980–1989	6.4%
1970–1979	1.2%
1960–1969	5.2%
1950–1959	1.3%
1940–1949	0.0%
1939 or earlier	4.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.3%
2 bedrooms	22.1%
3 bedrooms	68.2%
4 bedrooms	5.5%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.9%
1 vehicle	31.0%
2 vehicles	31.9%
3 or more	34.2%

Heating fuel

Fuel type	%
Utility gas	9.4%
Electricity	71.0%
Propane / LP gas	16.7%
Wood	2.9%

Households & families

Household type	Count	%
Married-couple family	375	78.1%
Cohabiting couple	28	5.8%
Male householder, no spouse	21	4.4%
Female householder, no spouse	56	11.7%
Households with children under 18	121	25.2%
Households with seniors (65+)	347	72.3%
Average household size	2.57

Marital status

Status	Male	Female
Never married	8.5%	9.4%
Married	83.5%	73.4%
Separated	0.0%	0.0%
Widowed	8.0%	7.9%
Divorced	0.0%	9.4%

Education

Less than 9th grade 0.0%

Some HS, no diploma 3.4%

HS graduate 30.6%

Some college, no degree 23.1%

Associate's degree 11.7%

Bachelor's degree 19.5%

Graduate / professional 11.8%

Metric	%
HS diploma or higher	96.6%
Bachelor's or higher	31.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	36	13.6%
Kindergarten	0	0.0%
Elementary school	141	53.4%
High school	58	22.0%
College / grad school	29	11.0%

Employment

Industry of employment

Education & healthcare 24.8%

Transportation & utilities 21.2%

Manufacturing 20.6%

Construction 9.3%

Retail trade 7.7%

Arts, food & hospitality 7.4%

Professional & management 4.8%

Information 4.2%

Occupation

Category	%
Management, business & arts	40.8%
Service	4.8%
Sales & office	42.4%
Natural resources & construction	7.1%
Production & transportation	4.8%

Employment type

Type	%
Private sector	74.0%
Government	10.3%
Self-employed	15.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.7%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	15.6%
Other means	5.6%
Avg commute (minutes)	27.6

Poverty

All people 1.9%

Under 18 years 0.0%

18 and over 2.5%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	70.4%
Retirement income	60.6%
Supplemental Security	3.3%
Cash public assistance	5.6%
Food stamps / SNAP	3.1%

Health indicators

Condition	%
Obesity	34.6%
High blood pressure	41.2%
High cholesterol	36.8%
Diabetes	12.9%
Heart disease	8.4%
Stroke	4.0%
Asthma	9.8%
Arthritis	32.6%
Kidney disease	3.5%
Pulmonary disease	9.5%
Cancer	8.2%

Behavior / access	%
Smoking	19.7%
Binge drinking	13.9%
No physical activity	26.8%
Less than 7 hrs sleep	34.1%
Depression	20.0%
Fair or poor health	17.6%
Poor mental health	13.8%
Poor physical health	12.1%
No health insurance	13.0%
Visited doctor (checkup)	77.2%
Visited dentist	64.4%
Cholesterol screening	91.5%
Teeth loss	13.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	145	15.3%

Disability	%
Any disability	14.5%
Under 18	0.0%
18–64 years	4.5%
65 and over	30.0%

Health insurance coverage

Type	%
Private insurance	70.4%
Public insurance	53.1%
No insurance	6.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,149	93.3%
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)	1,232	100.0%
Born in same state	1,232	100.0%
Born in different state	299	24.3%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	404	32.8%
Italian	369	30%
Arab	77	6.3%

Ancestry	Count	%
Irish	23	1.9%
Polish	13	1.1%

Technology access

Metric	% of households
Computer access	39.0%
Internet access	90.8%

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

Frequently asked questions about ZIP code 23356

What city is ZIP code 23356 in?

ZIP code 23356 is primarily assigned to Greenbackville, Virginia.

What county is ZIP code 23356 in?

ZIP code 23356 falls within Accomack County, Virginia.

Does ZIP code 23356 have a large retiree population?

70% of households in ZIP code 23356 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 23356 have an older population?

43% of residents in ZIP code 23356 are 65 or older, above the national average of ~17%.

Is ZIP code 23356 mostly owner-occupied?

94% of occupied units in ZIP code 23356 are owner-occupied, well above the national average.

Does ZIP code 23356 have a large veteran population?

15% of civilians in ZIP code 23356 are veterans, above the national average of ~7%.

What timezone is ZIP code 23356 in?

ZIP code 23356 observes the EST timezone.