Triangle is an unincorporated community in Prince William County, VA. It has no city government: the county runs it, and the Census counts it as its own place.

About

Life in Triangle

Triangle is a community of 11,265 people in Virginia. The median household income is $109,693, median rent runs about $1,554 per month, and median home values are around $505,300. Unemployment is low at 3.2%, suggesting a relatively healthy local job market.

Triangle at a Glance

Population, income, housing and more

Median Age

35.6 yrs

Poverty Rate

7.6%

Foreign-Born

25.7%

Broadband Internet

96.3%

of households

Median household income

Triangle$109,693
Virginia avg$93,170
US$80,734

Demographics25.7% foreign-born, most often from El Salvador

Who lives in Triangle: race and ethnicity, ages, households, languages and countries of origin

In Triangle, the largest foreign-born group is from El Salvador (15.7%), and 18.3% of residents speak Spanish at home.

Under 18

26.6%

of residents

65 and Older

7.8%

of residents

Households with Kids

41.0%

anyone under 18

Living Alone

21.1%

of households

Married Couples

51.5%

of households

Avg Household Size

3.15

people

Race & Ethnicity

Black40.7%
Hispanic or Latino22.1%
White19.3%
Two or more races3.4%

Hispanic or Latino of any race; other groups are non-Hispanic

Top countries of origin (foreign-born)

El Salvador15.7%
Pakistan9.4%
Ghana5.7%
Trinidad and Tobago5.1%
Mexico5.0%
Nicaragua4.3%
Colombia4.2%
Korea4.1%
Japan3.9%
Liberia3.7%

Languages Spoken at Home

English only62.3%
Spanish18.3%
Other Indo-European9.2%
Other6.0%
French/Haitian1.3%
Korean1.1%
Vietnamese0.6%
Tagalog/Filipino0.5%

Cost of Livingrent about average for VA

Rent, home values, and income in Triangle

In Triangle, home values are 32% above the VA average.

Median rent (per month)

Triangle$1,554
Virginia avg$1,579
US$1,413

Median home value

Triangle$505,300
Virginia avg$383,700
US$332,700

Rent Burdened

55.8%

spending 30%+ of income on rent

Severely Rent Burdened

28.9%

spending 50%+

Cost of Living Index

108.9

metro area (BEA) · US avg = 100

Median Property Tax

$4,840

per year, owner-occupied homes

Homeowners

63.1%

of occupied homes are owned

Typical Home Built

1998

median year built

Home Value Trend

$484,301
$569,517
$566,585
202120222023202420252026

Latest: $566,585 (September 2026)

Jobs & Economyunemployment about average for VA

Unemployment in Triangle and typical pay across the metro area

Unemployment in Prince William County, which includes Triangle, is close to the VA average.

Unemployment rate

Triangle3.2%
Virginia avg3.4%
US4.3%

Triangle: Prince William County rate (county-wide) · BLS annual average

Unemployment Rate — 10 Year Trend

3.5%
3.3%
2.7%
2.4%
6.6%
3.8%
2.5%
2.5%
2.7%
3.2%
2016201720182019202020212022202320242025

Prince William County (county-wide) · Annual averages

Triangle is about 2% of Prince William County’s population, so county-wide figures may differ from local conditions.

What Triangle Residents Do for Work · share of employed residents by industry

Education & health care21.5%
Professional & business services20.0%
Public administration16.2%
Retail9.6%
Other services8.9%
Arts, hospitality & food service8.4%
Finance & real estate2.9%
Manufacturing1.8%

City residents, wherever they work

Median Salary by Occupation · metro area

Management$154,420
Computer & Math$129,790
Business & Finance$101,420
Healthcare$96,680
Education$64,110
Construction$58,650
Office & Admin$48,960
Transportation$43,540

Washington-Arlington-Alexandria, DC-VA-MD-WV metro area

Commute38.7 min avg

How Triangle residents get to work, and the nearest airports

In Triangle, most residents drive alone to work (70%), and 34% get there in under 30 minutes.

How People Get to Work

Drive alone69.8%
Carpool10.8%
Public transit2.5%
Walk0.0%
Work from home13.1%
Other3.9%

Commute Time Distribution

Under 15 min10.2%
15–29 min24.1%
30–44 min28.8%
45–59 min17.9%
60+ min19.1%

Nearest airports · with airline service

  • Ronald Reagan Washington National Airport (DCA)

    Major hub12.0M passengers boarded in 2025

    26 mi

Straight-line distance. Size is the FAA’s hub category, based on passenger traffic: regional airports may have only a few flights a day.

Safetyviolent crime 35% below national average

Crime rates for 2025

Violent crime in the area policed by the Prince William County Police Department, which covers Triangle, runs 35% below the national average.

Violent Crime Rate

213.5

per 100,000 residents

Below average (329 national, 2025)

Property Crime Rate

1,281.9

per 100,000 residents

Below average (1,552 national, 2025)

Policed by Prince William County Police Department (county-wide rate)

Natural DisastersThunderstorm Wind most common — 27 events in 2025

Natural hazard risk, storms and earthquakes

FEMA National Risk Index

Relatively Moderate

83.2 / 100

Compares expected losses from natural hazards, social vulnerability and community resilience against every US county (higher = more risk).

Lightning · HighStrong wind · HighWinter weather · HighHail · ModerateHeat wave · Moderate

Prince William County, county-wide · FEMA NRI December 2025

In Prince William County, which includes Triangle, the most common type is thunderstorm wind, with 27 recorded events in 2025.

Most common events:

Thunderstorm WindFloodWinter WeatherFlash FloodExcessive Heat

Storm events by year

YearEventsTop TypeProperty Damage
202527Winter Weather$143,000
202417Winter Weather$31,000
202311Thunderstorm Wind$4.5M
202216Thunderstorm Wind$1.1M
202113Thunderstorm Wind$104,000
202019Flood$121,000
201921Thunderstorm WindNone reported
201824Flood$200,000

Property damage is the National Weather Service's estimate filed with each event. “None reported” means the events were logged with $0 damage; “Not estimated” means no estimate was filed. Storms covering several counties aren't counted here, since NOAA doesn't split their damage by county.

1 earthquake of magnitude 2.5+ within 100 miles in the past year

Prince William County, county-wide

Triangle is about 2% of Prince William County’s population, so county-wide figures may differ from local conditions.

Air Quality35 median AQI — Good

Days by air quality category (2025)

Air quality in Prince William County, which includes Triangle, is typically good — 349 good-air days per year.

Median AQI

35

Good Days

349

per year

Moderate Days

16

per year

Unhealthy Days

0

per year

Prince William County, county-wide

Triangle is about 2% of Prince William County’s population, so county-wide figures may differ from local conditions.

Climate86°F summers, 30°F winters

30-year climate averages (1991–2020) — monthly temperatures and precipitation

Triangle has warm summers (avg high 86°F) and cold winters (avg low 30°F).

Spring (Mar–May)

67°/47°F

avg high / low

Summer (Jun–Aug)

86°/69°F

avg high / low

Fall (Sep–Nov)

69°/50°F

avg high / low

Winter (Dec–Feb)

47°/30°F

avg high / low

Annual Precipitation

41.0"

Annual Snowfall

12.4"

Hot Days/Year

29

days above 90°F

Freeze Days/Year

76

days below 32°F

Rainy Days/Year

118

Average month

High °FLow °FPrecip (in)
20°40°60°80°100°5"Jan: 2.66" precipitationFeb: 2.36" precipitationMar: 3.58" precipitationApr: 3.16" precipitationMay: 3.63" precipitationJun: 3.53" precipitationJul: 4.64" precipitationAug: 4.24" precipitationSep: 3.43" precipitationOct: 3.33" precipitationNov: 3.14" precipitationDec: 3.33" precipitation28°JJan: high 45°F, low 28°FFFeb: high 48°F, low 30°FMMar: high 56°F, low 37°FAApr: high 68°F, low 47°FMMay: high 76°F, low 57°FJJun: high 84°F, low 66°F88°JJul: high 88°F, low 71°FAAug: high 86°F, low 69°FSSep: high 80°F, low 62°FOOct: high 69°F, low 50°FNNov: high 58°F, low 39°FDDec: high 49°F, low 32°F
Show month-by-month table ↓
MonthHighLowPrecip
Jan45°F28°F2.66"
Feb48°F30°F2.36"
Mar56°F37°F3.58"
Apr68°F47°F3.16"
May76°F57°F3.63"
Jun84°F66°F3.53"
Jul88°F71°F4.64"
Aug86°F69°F4.24"
Sep80°F62°F3.43"
Oct69°F50°F3.33"
Nov58°F39°F3.14"
Dec49°F32°F3.33"

Healthcare

Hospitals, ratings, and health insurance in Triangle

Uninsured

16.1%

of residents

No hospitals inside Triangle's limits — nearest hospitals · within 15 miles

Sentara Northern Virginia Medical Center

Acute Care Hospitals · ER available · 6.7 mi away · Woodbridge

Stafford Hospital, Llc

Acute Care Hospitals · ER available · 9.9 mi away · Stafford

Adult Health · vs. the typical US place

Obesity38.3%US 36.8%
Diabetes12.1%US 12.6%
High blood pressure34.4%US 37.1%
Current smoking12.9%US 15.0%
No leisure-time physical activity25.2%US 26.6%
Depression20.7%US 23.0%
Asthma10.9%US 10.7%
Routine checkup in past year79.5%US 78.2%

Share of adults. Modeled estimates, not counted cases. “US” = the typical US place.

Medicare-certified hospitals only. Doesn’t include clinics, urgent care, or freestanding ERs.

Education13.9:1 student/teacher ratio

Schools and degree attainment in Triangle

Triangle's student/teacher ratio is 13.9:1 (lower than the national average of 16:1), and 40.8% of adults 25+ hold a bachelor's degree or higher.

Public Schools

2

within city limits

Private Schools

3

within city limits

College Degree Rate

40.8%

adults 25+ with bachelor's or higher

Student/Teacher Ratio

13.9:1

National avg 16:1

Schools located within city limits (2023) — school-level metrics change slowly year to year

Parks & Recreationclosest: Prince William Forest Park, 4 mi

Nearby national parks, recreation areas and public libraries for Triangle

Triangle has 8 nearby national parks or recreation areas, closest being Prince William Forest Park (4 mi away).

Nearby National Parks & Recreation Areas

Prince William Forest Park

Park

4 mi away

Thomas Stone National Historic Site

National Historic Site

16 mi away

Piscataway Park

Park

18 mi away

Fredericksburg & Spotsylvania National Military Park

National Military Park

19 mi away

Fort Washington Park

Park

20 mi away

Manassas National Battlefield Park

National Battlefield Park

22 mi away

Fort Foote Park

Park

23 mi away

Harmony Hall

National Park Site

23 mi away

Cities Near Triangle

The closest cities within 60 miles

Planning a move to Triangle?

Read our full moving guide — what it's really like to live here.

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Triangle FAQ

Is Triangle, Virginia affordable?⌄

Triangle's median rent is $1,554/month, which is close to the national average. The median household income is $109,693/year. Median home value is $505,300.

Is Triangle, Virginia safe?⌄

Triangle is policed by the Prince William County Police Department, whose violent crime rate across its service area was 214 per 100,000 residents in 2025, which is below the national average of 329/100k that year. Property crime rate is 1282 per 100,000. As with any city, crime rates vary by neighborhood.

What is the job market like in Triangle, Virginia?⌄

Prince William County, which includes Triangle, has an unemployment rate of 3.2%, which is solid, slightly below the national average of 4.3%.

What is the cost of living in Triangle, Virginia?⌄

The cost of living in Triangle is primarily driven by housing. Median rent is $1,554/month and median household income is $109,693/year. The median home value is $505,300. About 56% of renters spend more than 30% of their income on housing.

How is the commute in Triangle, Virginia?⌄

The average commute in Triangle is 39 minutes, which is significantly longer than average compared to the national average of 26 minutes.

Data from the US Census Bureau, BLS, FBI, NOAA, EPA, Zillow Research and other public sources. Where our data comes from