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Quarterly Estimates

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The following data attributes are produced quarterly or monthly by the Prince William County GIS Division and other sources. If you are looking for the county's official demographic dataset, please see the Standard Data Dictionary.

QUARTER 2, 2019 (As of 6/30/2019):


Value​%​Units​CurrencySource​Date PostedNotes​
Total Population:​466,496*
people​6/30/2019
PWC GIS Division7/3/2019
 
Housing Units:
155,228housing units​
6/30/2019
PWC GIS Division​
7/3/2019
Average Household Size: 3.06

Occupancy Rate: 95.80%

1 Unit, Detached (single-family and mobile homes):​84,689
54.56 %
housing units​​6/30/2019PWC GIS Division​7/3/2019

Average Household Size: 3.38

Occupancy Rate: 96.82 %

1 Unit, Attached (townhomes):​38,505
24.81 %housing units​​6/30/2019PWC GIS Division​7/3/2019
Average Household Size: 3.15

Occupancy Rate: 95.23 %

Multi-Unit (includes apartments and condominiums):​32,034
20.64 %
housing units​​
6/30/2019PWC GIS Division​7/3/2019
Average Household Size: 2.35

Occupancy Rate: 91.50 %

Households (housing units that are occupied):​147,976
occupied housing units​​
6/30/2019PWC GIS Division​7/3/2019 
​Unemployment Rate:2.2
​rate
Apr 2019
​U.S. Dept. of Labor: Bureau of Labor Statistics7/3/2019The ratio of unemployed to the civilian labor force expressed as a percent [100 * (unemployed/ labor force)​]
Total School Enrollment:90,560
PWCS students​3/31/2019
PWC Public Schools4/15/2019
Enrollment in Prince William County Public Schools ​(PWCS)
Pre-Kindergarten through 5th grade:​40,479
44.70 %PWCS students​​3/31/2019PWC Public Schools4/15/2019Enrollment in Prince William County Public Schools ​​(PWCS)
6th grade through 8th grade:​21,008
23.20 %
PWCS students​​3/31/2019PWC Public Schools4/15/2019Enrollment in Prince William County Public Schools ​​(PWCS)
9th grade through 12th grade:​27,267
30.11 %PWCS students​​3/31/2019PWC Public Schools4/15/2019Enrollment in Prince William County Public Schools ​​(PWCS)
Other school types:​1,806
2.00 %PWCS students​​3/31/2019PWC Public Schools4/15/2019Enrollment in Prince William County Public Schools ​(PWCS)​

 

*The population estimate for 2019 Quarter 2 is about the same as 2018 Quarter 4 due to the following:

  • Updates to housing unit types and their associated occupancy rates and household sizes.
  • The county's Group Quarters estimate was revised to 4,626 people (previous quarter was 5,267). 
  • Instead of using Census PUMS (Public Use Microdata Sample) data from the  American Community Survey 5-Year estimates, the most recent 3 single-year estimates (2015, 2016, and 2017) were included to produce more up-to-date estimates for average household size and occupancy rates. Additionally, instead of only using PUMA 51244 and PUMA 51246 for the estimates, PUMA 51245 was also included (PUMA = Public Use Microdata Area). PUMA 51245 includes the cities of Manassas and Manassas Park but also covers areas in Prince William County adjacent to these cities. With these updates, occupancy rates for all household types slightly fell and average household sizes slightly rose from January 2018's estimates, with the exception of single family detached units. Therefore, the number of households fell slightly from Quarter 3 while the population rose.

Further Notes:

The county's housing occupancy rates and average household sizes are updated by housing unit type (single-family detached, attached, and multi-family) each year in late January. Thus, even though housing units may increase from the prior quarter, slight changes in the occupancy rate or average household size may result in fluctuations in the quarterly estimates that sometimes result in a small population decline (especially for Quarter 4 of each year when the stats behind the estimates are updated). Status changes in residential addresses and large multi-family developments resulting from occupancy permits also impact these estimates. If you are looking for annual population estimates, please click here.

NOTES:

  • The quarterly estimates and annual estimates from 2010 to 2016 were restated in February of 2017 to reflect the markedly higher estimates generated starting at 2016 Quarter 3 by smoothing over prior estimates. For more information about these changes and corresponding methods, see the following PDF: Redistributing Quarterly Population Estimates, 2010-2016
  • Compare PWC's estimates to the most current estimates and projections of PWC's population:
    • U.S. Census ACS 1-Year Estimate (July 2017): 463,023
    • Weldon Cooper Center (July 1, 2018): 463,046
    • COG 2020 Projection (Round 9.1): 470,400

QUARTERLY ESTIMATE HISTORY *

YEARQTRPOPULATIONHOUSING UNITSHOUSEHOLDS
20101398,258--
 2401,031138,667133,824
 3403,804139,268134,386
 4406,577139,868134,947
20111408,515140,288135,340
 2410,454140,708135,733
 3412,392141,127136,125
 4414,330141,547136,518
20121416,218141,956136,900
 2418,107142,365137,283
 3419,995142,774137,665
 4421,883143,183138,048
20131423,782143,594138,432
 2425,681144,005138,817
 3427,580144,417139,202
 4429,479144,828139,586
20141431,550145,276140,006
 2433,621145,725140,425
 3435,692146,173140,845
 4437,762146,622141,264
20151439,694147,040141,656
 2441,627147,459142,047
 3443,559147,877142,438
 4445,491148,296142,830
20161447,678148,769143,273
 2449,864149,243143,716
 3452,051149,716144,159
 4454,238150,190144,602
20171455,182150,789145,071
 2456,126151,389145,540
 3457,071151,988146,009
 4458,015152,588146,479
20181 458,959  153,187  146,948 
 2460,457153,714147,452
 3 461,313 154,003147,728
 4 465,346 154,812147,584

*Notes: The quarterly estimates for 2017 were restated in April 2018, and in February 2017 the quarterly estimates were restated back to 2010.

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