Triangle ZIP Codes — Prince William County, VA

There is one unique ZIP code in Triangle, Virginia and it is 22172. Area code: 703/571.

ZIP codes

20.60

sq mi land

0.19

sq mi water

703/571

area code

Triangle, VA ZIP code map

About Triangle, VA

Triangle, Virginia, is a charming community located within Prince William County. This small town offers a blend of suburban living and easy access to the natural beauty of Virginia. With its rich history and scenic surroundings, Triangle is a quaint place that attracts both residents and visitors alike.

Location & geography

Triangle is situated approximately 25 miles southwest of Washington, D.C., making it an ideal locale for commuters. Neighboring cities include Dumfries, located about 5 miles to the north, Quantico, roughly 3 miles to the south, and Woodbridge, around 10 miles to the northwest. The town spans a land area of 20.60 square miles, with a small water area of 0.19 square miles, featuring a mix of terrain and some waterfront views.

Community & economy

Triangle has a close-knit community characterized by its friendly atmosphere and strong local engagement. The town's economy is supported by a variety of industries, including retail and service sectors. Daily life in Triangle offers residents access to parks, schools, and community events that enhance the quality of life.

Transportation

Major highways that serve Triangle include Interstate 95, providing easy access to both local and regional destinations. The nearest airport is the Ronald Reagan Washington National Airport, located about 30 miles away, which connects residents to national and international flights. Public transportation options may include bus services that link to larger metropolitan areas.

History

Triangle was founded in the early 20th century and has since developed a rich history related to its surrounding natural landscapes and proximity to military installations. The town was historically influenced by the nearby Quantico Marine Corps Base, which has shaped its community and economy over the years. Notable events in Triangle's history include its involvement during various military conflicts, reflecting its strategic location.

Did you know?

One surprising fact about Triangle is that it is home to the National Museum of the Marine Corps, which attracts visitors from across the country. This museum highlights the history and achievements of the Marine Corps, making it an important cultural landmark in the region.

ZIP codes for Triangle, VA (1)

ZIP code	City	County	Map
22172	Triangle	Prince William	View map

Demographics & statistics

11,823

Population

33.9

Median age

$103,261

Median household income

$41,520

Per capita income

$479,000

Median home value

$1,414

Median monthly rent

66.0%

Home ownership

9.6%

Poverty rate

9.3%

Unemployment

2,655

Housing units

41.5%

Bachelor's or higher

Age distribution

Male Female

485

Under 5

413

284

5–9

242

458

10–14

389

608

15–19

518

513

20–24

436

972

25–34

828

915

35–44

779

916

45–54

779

235

55–59

200

467

60–64

397

299

65–74

255

158

75–84

134

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	3,096	26.2%
18 and over	8,727	73.8%
65 and over	989	8.4%
Median age	33.9 years

Race & ethnicity

Black or African American 31.5%

White 29.1%

Asian 11.5%

Hispanic or Latino 11.4%

Two or more races 8.5%

Other race 6.1%

American Indian / Alaska Native 2%

Group	Count	%
Black or African American	4,198	31.5%
White	3,880	29.1%
Asian	1,531	11.5%
Hispanic or Latino	1,515	11.4%
Two or more races	1,139	8.5%
Other race	809	6.1%
American Indian / Alaska Native	266	2%

Household income

Under $10k 3.8%

$10k–$15k 1.2%

$15k–$25k 3.5%

$25k–$35k 8.4%

$35k–$50k 7.2%

$50k–$75k 10.4%

$75k–$100k 13.1%

$100k–$150k 22.2%

$150k–$200k 12.4%

$200k+ 17.8%

Range	% of households
Under $10k	3.8%
$10k–$15k	1.2%
$15k–$25k	3.5%
$25k–$35k	8.4%
$35k–$50k	7.2%
$50k–$75k	10.4%
$75k–$100k	13.1%
$100k–$150k	22.2%
$150k–$200k	12.4%
$200k+	17.8%
Median income	$103,261

Housing

Home values

Under $50k 6.8%

$100k–$150k 1.0%

$150k–$200k 3.4%

$200k–$300k 14.2%

$300k–$500k 29.3%

$500k–$1M 44.7%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$479,000
Median rent / month	$1,414
Owner occupied	66.0%
Renter occupied	34.0%
Vacant	6.8%
Single-family detached	58.6%
Large apartment buildings	4.3%
Mobile homes	2.3%
Median rooms	6.2
Avg household size (owned)	3.76

Year built

Era	%
2020 or later	0.5%
2010–2019	9.0%
2000–2009	31.1%
1990–1999	11.4%
1980–1989	10.8%
1970–1979	12.8%
1960–1969	6.7%
1950–1959	10.4%
1940–1949	1.7%
1939 or earlier	5.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.9%
1 bedroom	9.6%
2 bedrooms	17.3%
3 bedrooms	20.6%
4 bedrooms	35.3%
5+ bedrooms	15.3%

Vehicles per household

Vehicles	% of households
No vehicle	4.1%
1 vehicle	24.4%
2 vehicles	34.8%
3 or more	36.8%

Heating fuel

Fuel type	%
Utility gas	57.7%
Electricity	36.0%
Propane / LP gas	2.2%
Fuel oil	1.7%
Wood	1.4%
Solar	0.3%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	1,984	54.8%
Cohabiting couple	73	2.0%
Male householder, no spouse	799	22.1%
Female householder, no spouse	766	21.1%
Households with children under 18	1,642	45.3%
Households with seniors (65+)	758	20.9%
Average household size	3.26

Marital status

Status	Male	Female
Never married	40.5%	31.9%
Married	49.4%	50.7%
Separated	1.9%	3.1%
Widowed	0.8%	2.8%
Divorced	7.4%	11.4%

Education

Less than 9th grade 6.1%

Some HS, no diploma 5.5%

HS graduate 12.6%

Some college, no degree 25.0%

Associate's degree 9.2%

Bachelor's degree 26.1%

Graduate / professional 15.5%

Metric	%
HS diploma or higher	88.4%
Bachelor's or higher	41.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	182	5.6%
Kindergarten	83	2.5%
Elementary school	1,156	35.4%
High school	867	26.5%
College / grad school	980	30.0%

Employment

Industry of employment

Education & healthcare 20.3%

Professional & management 20.0%

Public administration 17.6%

Arts, food & hospitality 9.5%

Retail trade 8.6%

Other services 7.7%

Construction 5.8%

Transportation & utilities 4.4%

Finance & real estate 2.5%

Manufacturing 2.0%

Wholesale trade 1.0%

Information 0.6%

Occupation

Category	%
Management, business & arts	43.6%
Service	16.9%
Sales & office	20.9%
Natural resources & construction	9.2%
Production & transportation	9.5%

Employment type

Type	%
Private sector	67.2%
Government	25.9%
Self-employed	6.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.2%
Carpool	12.0%
Public transit	3.0%
Walk	1.4%
Other means	3.5%
Avg commute (minutes)	37.8

Poverty

All people 9.6%

Under 18 years 8.5%

18 and over 9.9%

Married-couple families 4.3%

Female-led households 9.4%

Income support

Source	% of households
Social Security	18.6%
Retirement income	24.5%
Supplemental Security	3.7%
Cash public assistance	1.2%
Food stamps / SNAP	2.9%

Health indicators

Condition	%
High blood pressure	31.0%
High cholesterol	26.9%
Heart disease	4.2%
Stroke	2.5%
Asthma	10.1%
Arthritis	19.3%
Kidney disease	2.3%
Pulmonary disease	4.7%
Cancer	4.3%

Behavior / access	%
Binge drinking	15.0%
No physical activity	21.6%
Less than 7 hrs sleep	37.6%
Fair or poor health	14.2%
Poor mental health	14.8%
Poor physical health	8.7%
No health insurance	16.2%
Visited doctor (checkup)	77.0%
Visited dentist	65.5%
Cholesterol screening	89.4%
Teeth loss	11.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,488	17.5%

Disability	%
Any disability	11.6%
Under 18	3.2%
18–64 years	12.6%
65 and over	30.3%

Health insurance coverage

Type	%
Private insurance	72.8%
Public insurance	27.1%
Uninsured under 19	9.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	10,925	92.4%
Spanish	1,353	12.4%
Other Indo-European	910	8.3%
Asian & Pacific Islander	172	1.6%
Other languages	219	2.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,700	73.6%
Born in same state	8,251	69.8%
Born in different state	4,444	37.6%
Foreign born	449	3.8%
Naturalized citizen	3,123	26.4%
Not a US citizen	1,893	60.6%

Ancestry

Ancestry	Count	%
French	576	4.9%
Arab	562	4.8%
Italian	539	4.6%
Polish	116	1%

Ancestry	Count	%
Irish	37	0.3%
English	29	0.2%
Dutch	17	0.1%

Technology access

Metric	% of households
Computer access	30.6%
Internet access	96.2%

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

Frequently asked questions

What ZIP codes does Triangle, VA have?

Triangle, VA has one ZIP code: 22172. Each ZIP code serves a distinct delivery area within the city and surrounding region.