Triangle, VA: Population, ZIP Codes & Nearby Cities

Looking for facts about Triangle? It is an unincorporated community or census-designated place in Prince William County, Virginia, with an estimated 8,972 people according to our dataset. It lies at 38.548°N, 77.320°W in Eastern time. The sections below cover its size, ZIP codes, neighbors and distances.

What are the key facts about Triangle, VA?

What is the population of Triangle, VA?

Triangle has an estimated population of 8,972. That makes it the 133rd largest of the 586 places we list in Virginia, and the 13th largest of 24 places in Prince William County. The typical place in Virginia has about 1,532 residents, so Triangle is roughly 5.9 times the size of a typical neighbor in the state.

Estimates for places of this size carry wider margins of error than those for big cities, so treat the figure as a guide to scale. Our guide to understanding city population numbers explains why sources disagree.

Places in Virginia with a similar population include Independent Hill (9,204), Dunn Loring (9,158), Woodburn (9,127), Innsbrook (8,888), Seven Corners (8,731). Comparing these pages is a quick way to see how Triangle differs from communities of the same scale.

How dense is Triangle?

Triangle has about 3,186 people per square mile (1,230 per square kilometer), which we classify as suburban. Within Virginia, it is denser than about 86% of the listed places. Land at this level is usually a mix of single-family neighborhoods, shopping corridors and parks, where driving is common but destinations are close. Read how to interpret population density to see how we draw these lines.

What ZIP codes does Triangle use?

The postal data lists a single ZIP code for Triangle: 22172. A single code usually means a compact delivery area, but the same code may also serve addresses just outside the town line. Codes beginning with 2 are assigned to the Mid-Atlantic and Southeast coast (D.C., Maryland, Virginia, West Virginia and the Carolinas). Learn more in our guide to how ZIP codes work or check any code with the ZIP code lookup.

What time zone is Triangle in?

Triangle is in the Eastern time zone, which is UTC−5 from Coordinated Universal Time in standard time (IANA zone America/New_York). The area observes daylight saving time, so clocks move forward in March and back in November. The nearest listed place in a different time zone is Fairfield Glade, TN, about 451 miles away, which gives a sense of how far the nearest zone boundary may be. Current local time: see the Eastern time hub. For the rules behind these zones, read US time zones explained.

Where is Triangle located in Virginia?

Triangle lies in the northeastern part of Virginia, at 38.548° north latitude and 77.320° west longitude. The state capital, Richmond, is about 71 miles to the south. The closest listed place in another state is Bryans Road, MD, roughly 13 miles to the east, which shows how near Triangle is to a state line. For big-city services, the nearest place with more than 100,000 people is Fredericksburg, VA, 19 miles to the southwest.

Which cities are near Triangle, VA?

The closest listed place to Triangle is Dumfries, VA, 1.3 miles to the north. Of the eight nearest places below, 7 are in the same county. Distances are straight-line (great-circle) miles measured between place centers; see how distance is calculated.

Which county is Triangle in?

Triangle is in Prince William County, which has the Federal Information Processing Standards (FIPS) code 51153. The county contains 24 places in our data, 16 of which have their own page here and 8 smaller communities that appear only in county and state lists. Other places in the county include Dale City (72,627), Lake Ridge (44,716), Linton Hall (41,386), Montclair (20,881), Neabsco (20,364). Codes like this one help separate places that share a name; see the guide to counties and FIPS codes.

How far is Triangle from major US cities?

Among six major hubs, Triangle is closest to New York, NY at about 234 miles and farthest from Los Angeles, CA at about 2,288 miles in a straight line. Road distances are usually 10 to 30 percent longer. Try the distance calculator for any other pair.

Are there other places called Triangle?

No. In our data, Triangle in Prince William County, Virginia is the only place with this name, so the name alone is enough to identify it, though adding the state is still good practice in addresses and forms.

Planning a move to Triangle?

If you are weighing Triangle, start with the practical numbers: how far it is from where you live, whether it changes your time zone, and how its size and density compare with your current city. Use the distance calculator to measure the trip from where you live. The radius search tool lists every place within any distance of it. Our checklist for comparing cities explains what to check next.

Where to go next

Population and density come from a compiled dataset and are estimates. They may differ from official Census Bureau counts. Verify important figures at census.gov.