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Fast Facts

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                                                                                           Prince William County             D.C. Metro Area1                      Virginia

Geography

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​Total Area (land & water)
348.5 sq. miles6,030.4​ sq. miles42,774.9 sq. miles
Major Water Features & Boundaries
Potomac River (​forms Eastern border), Occoquan River/Reservoir (forms Northeast border), Occoquan Bay (forms Northeast border), Bull Run (forms Northern, Northwestern borders), Chopawamsic Creek (forms Southeast border), Broad Run & Lake Jackson (Run through mid-county), Lake Manassas Reservoir (Western PWC, 770 acres), Lake Montclair (Eastern PWC), Little Bull Run (Western PWC), Catharpin Creek (Western PWC), Powell's Creek (Eastern PWC), Neabsco Creek (Eastern PWC), Quantico Creek (Eastern PWC), Cedar Run (mid-county)
​Major Parks and Natural Lands
​Manassas National Battlefield Park (Northwestern PWC), Prince William Forest Park (Southeastern PWC), Occoquan Bay National Wildlife Refuge (Eastern PWC), Locust Shade Park (Southeastern PWC), Ben Lomond Regional Park (Northwestern PWC), Dove's Landing (mid-county), Silver Lake Regional Park (Western PWC), James S. Long Regional Park (Western PWC), Andrew Leitch Park (Eastern PWC).
Bordering Counties and Cities​Clockwise from the North: Fairfax County (N,NE), Manassas Park City (N), Manassas City (Central), Charles County, MD (E), Stafford County (S), Fauquier County (W,SW), Loudoun County (N,NW)​ ​
​Combined Statistical Area (CSA)
​Washington-Baltimore-Arlington, DC-MD-VA-WV-PA (548)
Metropolitan Statistical Area (MSA)​
​Washington-Arlington-Alexandria, DC-VA-MD-WV MSA (47900)
​Metropolitan Division
​Washington-Arlington-Alexandria, DC-VA-MD-WV (47894)
Population​
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​                                       Prince William County             D.C. Metro Area1                        Virginia
​Total Population455,26726,131,977*8,411,808*​
Population Density1,304.0​ people per sq. mile1,016.8 people per sq. mile196.65 people per sq. mile
​Male
49.8%​48.8%​49.2%
Female​
50.2%​51.2%​50.8%​
​Median Age​34.036.337.6​
Under 18​28.2%​23.3%​22.6%​
65 and Over​​7.9%11.0%​13.3%
​Foreign Born21.9%​22.0%​11.7%​
White (non-Hispanic)​
46.3%​47.0%​63.4%​
Black (non-Hispanic)​
19.7%​24.7%​18.9%​
Asian (non-Hispanic)​
7.7%​9.6%​5.9%​
Some other race (non-Hispanic)​
0.3%​
0.3%​0.2%​
​Two or more races (non-Hispanic)
​4.2%
2.9%​
2.7%​
Other​
0.3%​0.3%​0.3%​
​Hispanic or Latino (of any race)
​21.5%
​14.6%
​8.6%
Households
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Households146,00922,135,657
3,062,783
Families​77.4%​65.9%​ 67.1%
Avg. Household Size​3.12​2.7
2.6
​Avg. Family Size3.6​3.4​3.2​
​Married
55.0%​48.5%​50.1%​

​​Housing

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Housing Units151,6872
2,284,093
3,423,291
Owner-Occupied
​71.5%
​63.3%
 66.2%
​Renter-Occupied
​28.5%
​36.7%
33.8%
​Median Year Structures Built
​1990
​1979
​1980

Economic
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In Labor Force3
244,785
3,405,922
4,331,940
Unemployed33.4%​3.7%​3.8% 
​Median Household Income
​$98,657
​$92,324
$65,015
​Individuals with Income Below Poverty Level
​6.7%
​8.3%
​11.5%

 

Notes:

Unless otherwise noted, data comes from the U.S. Census 2015 American Community Survey (ACS) 5-Year Estimates. See Prince William County's Standard Data Dictionary for the county's official, detailed demographic database.

*These population estimates are from the Census Bureau's Annual Estimates of the Resident Population as of July 1, 2016.

1. The "D.C. Metro Area" = Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (MSA), which includes numerous counties and independent cities in the region surrounding the District of Columbia.

2. These numbers are produced by Prince William County's quarterly estimates of population, housing units, and households from the GIS Division.

3. This data is from the Burea of Labor Statistics (BLS) as of August 2017. Not seasonally adjusted.

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