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Fast Facts

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                                          Prince William County           

 GEOGRAPHY

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​Total Area (land & water): 348.5 sq. miles
County Boundaries & Water Features: Eastern border: Potomac River, NE border: Occoquan River/Reservoir & Occoquan Bay, N-NW border: Bull Run, SE border: Chopawamsic Creek
​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)

U.S. Census Statistical Area Delineation Files

 POPULATION
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Prince William CountyD.C. Metro1 Virginia
Value2​%Value​​%Value​​%
Total Population3454,245--6,131,977 --8,411,808 --
Population Density (ppl. per sq. mile1,303.4​--​1,016.80 --196.65 --
​Male226,359349.8​2,992,40548.8%4,138,61049.2%
Female​227,886​50.2​3,139,57251.2%4,273,19850.8%
​Median Age34.0​--36.3 --37.6​ --
Under 18​127,965​28.2%1,428,75123.3%1,901,06922.6%
65 and Over​35,869​7.9%674,51711.0%1,118,77013.3%
​Foreign Born99,293​21.9%1,349,03522.0%984,18211.7%
White (non-Hispanic)​210,184​46.3%2,882,02947.0%5,333,08663.4%
Black (non-Hispanic)​89,525​19.7%1,514,59824.7%1,589,83218.9%
Asian (non-Hispanic)​35,102​7.7%588,6709.6%496,2975.9%
Some other race (non-Hispanic)​​1,3493.0%18,3960.3%16,8240.2%
​Two or more races (non-Hispanic)18,905​4.2%177,8272.9%227,1192.7%
Other​1,625​3.0%18,3960.3%25,2350.3%
​Hispanic or Latino (of any race)97,554​21.5%895,26914.6%723,4158.6%
Foreign Born99,29321.9%1,355,16722.1%984,18211.7%
Speak English less than "Very Well"48,63711.6%577,92510.1%441,8355.6%

 HOUSEHOLDS
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Prince William CountyD.C. Metro1 Virginia
 Value​​%Value​​%Value​​%
Households4145,697 2,135,657 3,062,783 
Families​112,76977.4%1,407,39865.9%2,055,12767.1%
Avg. Household Size​3.12 ​2.7 2.6 
​Avg. Family Size3.6​ 3.4​ 3.2​ 
​Married80,13355.0%1,035,79448.5%1,534,45450.1%
Married Household with Own Children under 18 Years47,71832.7%491,20123.0%637,05920.8%
Householder with no Spouse Present, with Own Children under 18 Years13,9709.6%360,92616.9%506,58416.5

​​ HOUSING

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Prince William CountyD.C. Metro1 Virginia
 Value​​%Value​​%Value​​%
Housing Units4151,363 2,342,764 3,491,185 
Owner-Occupied108,22571.5%1,482,97063.3%2,311,16466.2%
​Renter-Occupied43,13828.5%859,79436.7%1,180,02133.8%
​Median Year Structures Built​1990 ​1979 ​1980 
1 Unit, Detached (incl. mobile homes)83,537 55.2%1,105,785 47.2%2,342,585 67.1%
1 Unit, Attached37,471 24.8%461,525 19.7%384,030 11.0%
2 or More Units30,357 20.1%754,370 32.2%764,570 21.9%
Note: percentages for unit types may not add up to 100% due to rounding and the data excludes units such as boats, RVs, and vans.
 ECONOMIC5
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Prince William CountyD.C. Metro1 Virginia
 Value​​%Value​​%Value​​%
In Labor Force
234,139-- 3,313,056-- 4,331,940-- 
Unemployment Rate 3.6% 3.8% 4.0%
At-Place Employment126,283​--3,077,190​--3,789,744​--
Establishments of Employment9,212​--192,210​--264,329​--
​Median Household Income​$98,657--​$92,324--$65,015 --
​Individuals with Income Below Poverty Level29,8556.7% 500,0538.3% 938,23411.5%

 

Notes:

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

1. "D.C. Metro" = 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. The values in these tables were derived using a reverse calculation from percentages taken from the U.S. Census 2011-2015 American Community Survey (ACS) 5-Year Estimates. These percentages are then applied to the most up-to-date total value (population, housing units, or households) to yield the attribute values.

3. Total population for Prince William County comes from the county's standard data dictionary (as of Quarter 4, 2016). The population estimates for the D.C. Metro and Virginia were obtained from the Census Bureau's Annual Estimates of the Resident Population as of July 1, 2016.

4. Total households and housing units for Prince William County come from the county's standard data dictionary (as of Quarter 4, 2016). Households and housing unit estimates for Virginia and the D.C. Metro were obtained from the U.S. Census 2016 American Community Survey (ACS) 1-Year Estimates.

5. Economic data are for the year 2016. Sources: Bureau of Labor Statistics (BLS): Local Area Unemployment Statistics (LAUS) & Quarterly Census of Employment and Wages (QCEW). 

 

See Prince William County's Standard Data Dictionary for the county's official, detailed demographic database.

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