23405 ZIP Code — Machipongo, VA

Northampton County, Virginia

ZIP code 23405 is located in Machipongo, Virginia, within Northampton County. It covers approximately 25.69 square miles and serves a population of 1,226 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 757.

About ZIP code 23405

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $338,800. Owner-occupancy is high at 92%, well above the national average.

Median household income is $83,344. 47% 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. An above-average commute of 39 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 34% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of diabetes (17%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 16% of civilians, above the national average of 7%.

Overall, ZIP code 23405 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

1,226

population

25.69

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

23405 ZIP code map

Cities in ZIP code 23405

Below are the cities the US Postal Service accepts for ZIP code 23405. Using any city not on this list may result in mail delivery delays.

City	Status
Machipongo	Preferred

Nearby ZIP codes

23354 Franktown (3.6 mi) 23350 Exmore (6.5 mi) 23306 Belle Haven (11.3 mi) 23420 Painter (13.8 mi) 23310 Cape Charles (14.4 mi) 23410 Melfa (16.1 mi) 23404 Locustville (19.7 mi) 23119 Moon (19.7 mi)

Demographics updated 05/2026

Population
Total population	1,226
Population density	48 / sq mi
State FIPS	51
County FIPS	131

Geography
Land area	25.69 sq mi
Water area	7.41 sq mi
Latitude	37.4242
Longitude	-75.9136
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	35.5%	49.8%	32.9%
$50k – $100k	29.3%	29.0%	29.2%
$100k – $200k	30.1%	16.5%	26.3%
Over $200k	5.2%	4.6%	11.6%

Demographics & statistics

1,226

Population

People per sq mi

45.4

Median age

$83,344

Median household income

$38,733

Per capita income

$338,800

Median home value

Median monthly rent

92.0%

Home ownership

17.0%

Poverty rate

3.1%

Unemployment

598

Housing units

33.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

123

10–14

15–19

20–24

25–34

35–44

113

45–54

110

55–59

60–64

106

65–74

136

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	317	25.9%
18 and over	909	74.1%
65 and over	302	24.6%
Median age	45.4 years

Race & ethnicity

White 48.1%

Black or African American 22.8%

Hispanic or Latino 14.3%

Other race 14.3%

American Indian / Alaska Native 0.3%

Two or more races 0.3%

Group	Count	%
White	688	48.1%
Black or African American	326	22.8%
Hispanic or Latino	204	14.3%
Other race	204	14.3%
American Indian / Alaska Native	4	0.3%
Two or more races	4	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	35.5%	49.8%	32.9%
$50k – $100k	29.3%	29.0%	29.2%
$100k – $200k	30.1%	16.5%	26.3%
Over $200k	5.2%	4.6%	11.6%

Under $10k 0.8%

$15k–$25k 8.2%

$25k–$35k 12.9%

$35k–$50k 10.3%

$50k–$75k 13.1%

$75k–$100k 11.7%

$100k–$150k 20.3%

$150k–$200k 14.2%

$200k+ 8.4%

Range	% of households
Under $10k	0.8%
$15k–$25k	8.2%
$25k–$35k	12.9%
$35k–$50k	10.3%
$50k–$75k	13.1%
$75k–$100k	11.7%
$100k–$150k	20.3%
$150k–$200k	14.2%
$200k+	8.4%
Median income	$83,344

Housing

Home values

$50k–$100k 7.8%

$100k–$150k 20.3%

$200k–$300k 14.5%

$300k–$500k 32.4%

$500k–$1M 21.0%

$1M+ 4.0%

Housing overview

Metric	Value
Median home value	$338,800
Median rent / month	$0
Owner occupied	92.0%
Renter occupied	8.0%
Vacant	23.5%
Single-family detached	88.5%
Large apartment buildings	0.0%
Mobile homes	11.5%
Median rooms	6.2
Avg household size (owned)	2.52

Year built

Era	%
2020 or later	0.0%
2010–2019	5.3%
2000–2009	22.0%
1990–1999	6.6%
1980–1989	21.0%
1970–1979	11.5%
1960–1969	0.0%
1950–1959	5.0%
1940–1949	5.3%
1939 or earlier	23.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.5%
2 bedrooms	17.3%
3 bedrooms	66.1%
4 bedrooms	11.9%
5+ bedrooms	1.3%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	26.1%
2 vehicles	35.1%
3 or more	38.8%

Heating fuel

Fuel type	%
Utility gas	1.8%
Electricity	73.3%
Propane / LP gas	24.8%

Households & families

Household type	Count	%
Married-couple family	329	67.6%
Cohabiting couple	20	4.1%
Male householder, no spouse	22	4.5%
Female householder, no spouse	116	23.8%
Households with children under 18	106	21.8%
Households with seniors (65+)	160	32.9%
Average household size	2.48

Marital status

Status	Male	Female
Never married	16.5%	13.5%
Married	81.3%	66.7%
Separated	0.0%	0.0%
Widowed	0.0%	12.3%
Divorced	2.2%	7.4%

Education

Less than 9th grade 0.0%

Some HS, no diploma 2.4%

HS graduate 29.8%

Some college, no degree 29.2%

Associate's degree 5.1%

Bachelor's degree 14.9%

Graduate / professional 18.7%

Metric	%
HS diploma or higher	97.6%
Bachelor's or higher	33.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	5	2.3%
Kindergarten	16	7.2%
Elementary school	169	76.1%
High school	22	9.9%
College / grad school	10	4.5%

Employment

Industry of employment

Education & healthcare 21.1%

Finance & real estate 15.0%

Retail trade 14.6%

Arts, food & hospitality 10.3%

Transportation & utilities 10.1%

Public administration 10.1%

Professional & management 7.8%

Construction 3.0%

Other services 3.0%

Information 2.7%

Agriculture & mining 2.3%

Occupation

Category	%
Management, business & arts	28.5%
Service	11.2%
Sales & office	46.2%
Natural resources & construction	14.1%
Production & transportation	0.0%

Employment type

Type	%
Private sector	60.1%
Government	28.9%
Self-employed	11.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	67.6%
Carpool	16.0%
Public transit	0.0%
Walk	0.0%
Work from home	16.4%
Other means	0.0%
Avg commute (minutes)	38.9

Poverty

All people 17.0%

Under 18 years 36.9%

18 and over 10.1%

Married-couple families 9.4%

Female-led households 0.0%

Income support

Source	% of households
Social Security	47.2%
Retirement income	50.7%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	3.9%

Health indicators

Condition	%
Obesity	43.1%
High blood pressure	48.5%
High cholesterol	39.6%
Diabetes	17.2%
Heart disease	10.0%
Stroke	5.1%
Asthma	10.0%
Arthritis	37.4%
Kidney disease	4.4%
Pulmonary disease	9.9%
Cancer	9.3%

Behavior / access	%
Smoking	17.6%
Binge drinking	11.4%
No physical activity	28.6%
Less than 7 hrs sleep	34.7%
Depression	19.1%
Fair or poor health	20.8%
Poor mental health	12.6%
Poor physical health	13.2%
No health insurance	13.3%
Visited doctor (checkup)	82.6%
Visited dentist	64.0%
Cholesterol screening	94.2%
Teeth loss	15.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	148	16.3%

Disability	%
Any disability	12.8%
Under 18	0.0%
18–64 years	4.8%
65 and over	42.4%

Health insurance coverage

Type	%
Private insurance	61.7%
Public insurance	54.5%
No insurance	9.0%
Uninsured under 19	8.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,217	99.3%
Spanish	135	11.1%
Other Indo-European	135	11.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,166	95.1%
Born in same state	1,014	82.7%
Born in different state	604	49.3%
Foreign born	152	12.4%
Naturalized citizen	60	4.9%
Not a US citizen	49	81.7%

Ancestry

Ancestry	Count	%
Arab	468	38.2%
French	224	18.3%

Ancestry	Count	%
Italian	140	11.4%

Technology access

Metric	% of households
Computer access	39.7%
Internet access	100.0%

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

Frequently asked questions about ZIP code 23405

What city is ZIP code 23405 in?

ZIP code 23405 is primarily assigned to Machipongo, Virginia.

What county is ZIP code 23405 in?

ZIP code 23405 falls within Northampton County, Virginia.

Is ZIP code 23405 mostly owner-occupied?

92% of occupied units in ZIP code 23405 are owner-occupied, well above the national average.

Does ZIP code 23405 have a large retiree population?

47% of households in ZIP code 23405 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 23405?

17% of residents in ZIP code 23405 live below the poverty line, above the national average.

Does ZIP code 23405 have a large veteran population?

16% of civilians in ZIP code 23405 are veterans, above the national average of ~7%.

What timezone is ZIP code 23405 in?

ZIP code 23405 observes the EST timezone.