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Special Census Inclusion

A Special Census is a basic enumeration of population, housing units, group quarters, and transitory locations conducted by the U.S. Census Bureau at the request of a governmental unit. When local officials believe there has been a significant population change in their community due to growth or annexation, a Special Census may be in order. The assumption is that incorporating special census results would improve the population estimates for cities and towns. The goal is to include special census results for as many localities as possible. However, the Population Estimates Program maintains a set of requirements that Special Censuses must meet in order to be eligible for inclusion in the estimates. The purpose of these requirements is to stay true to the methodology we use to produce subcounty Population Estimates, and to treat all areas fairly.

The Census Bureau may include Special Census results in the Population Estimates Program if the Special Census is of an entire governmental unit whose legal boundaries are identical to those used by the Population Estimates Program. The incorporation of the Special Census results into the population estimates allows the Census Bureau surveys that rely on the estimates as statistical controls, such as the American Community Survey, to also reflect the Special Census results. A complete list of Special Census results incorporated into the Population Estimates is summarized below.

Special Census Results incorporated into Vintage 2017 Population Estimates

Area Name State Special Census Date

Buckeye town

AZ

10/01/15

Chandler city

AZ

10/01/15

Gilbert town

AZ

10/01/15

Goodyear city

AZ

10/01/15

Maricopa city

AZ

10/01/15

Peoria city

AZ

10/01/15

Queen Creek town

AZ

10/01/15

Austin city

AR

12/16/16

Brookland city

AR

10/30/14

Cave Springs city

AR

06/25/16

Volo village

IL

02/17/17

Westfield city

IN

01/08/16

Whitestown town

IN

11/18/16

Ankeny city

IA

12/10/14

Asbury city

IA

04/15/16

Bondurant city

IA

09/17/15

Grimes city

IA

09/24/15

Johnston city

IA

01/09/16

North Liberty city

IA

10/01/15

Robins city

IA

07/08/16

Urbandale city

IA

09/24/15

West Des Moines city

IA

07/03/15

Morrisville town

NC

04/09/15

Harrisburg city

SD

04/08/16

Special Census Results incorporated into Vintage 2016 Population Estimates

Area Name State Special Census Date

Buckeye town

AZ

10/01/15

Chandler city

AZ

10/01/15

Gilbert town

AZ

10/01/15

Goodyear city

AZ

10/01/15

Maricopa city

AZ

10/01/15

Peoria city

AZ

10/01/15

Queen Creek town

AZ

10/01/15

Brookland city

AR

10/30/14

Westfield city

IN

01/08/16

Ankeny city

IA

12/10/14

Asbury city

IA

04/15/16

Bondurant city

IA

09/17/15

Grimes city

IA

09/24/15

Johnston city

IA

01/09/16

North Liberty city

IA

10/01/15

Urbandale city

IA

09/24/15

West Des Moines city

IA

07/03/15

Morrisville town

NC

04/09/15

Harrisburg city

SD

04/08/16

Special Census Results incorporated into Vintage 2015 Population Estimates

Area Name State Special Census Date

Brookland city

AR

10/30/14

Ankeny city

IA

12/10/14


 For more information on Special Census areas, visit the Special Census Program's webpage.

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