Office of Financial Management
Link to OFM website survey.

Home » Population » Decennial Census

Census 2010

OFM data products

To access a variety of 2010 Census data products specific to Washington state, please follow the link below.

Summary File 2 data

The 2010 Census Summary File 2 data for Washington state was release February 2012. Summary File 2 provides detailed demographic information from the 2010 Census for up to 331 different race and ethnic groups.

Summary File 1 data

The 2010 Census Summary File 1 data for Washington state was released in August 2011. Summary File 1 provides detailed information on age, sex, households, families, relationship to householder, housing units, detailed race and Hispanic or Latino origin groups, and group quarters.

Demographic Profile data

The 2010 Census Demographic Profile Summary File data for Washington state was released in May 2011.  The Demographic Profile Summary File provides information on age and sex distributions, race, Hispanic or Latino origin, household relationship and type, the group quarters population, and housing occupancy and tenure.

Redistricting data

The 2010 Census Public Law 94-171 Redistricting Data Summary File data for Washington state was released in February 2011. The redistricting data was used by state officials to realign congressional and state legislative districts. The redistricting data provides population and housing counts for small areas including population by race and ethnicity for both the total population and the population over age 18 years old and housing units by occupancy status (occupied and vacant units).

For more information, visit:

Note: For data products based on the new 2012 congressional and legislative district boundaries (Washington State Redistricting Commission plans C-JOINTSUB_2-1 and L-JOINTSUB_3-2 as amended by Engrossed House Concurrent Resolution 4409), visit:

Apportionment data

The apportionment population represents the first official 2010 Census numbers released by the U. S. Census Bureau. The apportionment counts are used to distribute the 435 seats of the House of Representatives among the 50 states based on each state’s population. The apportionment population includes the resident population plus the overseas population consisting of military and federal civilian employees and their dependents living with them who could be allocated to a state.

Summary for Washington state

Related data products

American Community Survey

Detailed demographic, social, housing, and economic data that used to be collected via the decennial census long form are now being collected via the American Community Survey (ACS). ACS data products can be accessed from OFM’s ACS website or the Census Bureau's ACS website.

Census TIGER/Line shapefiles

For data users with geographic information system (GIS) software, the 2010 Census TIGER/Line shapefiles can be accessed from OFM’s GIS website or the U.S. Census Bureau's website. Demographic data from the Census 2010 can be joined with the GIS shapefile using a geographic entity code common to both datasets.

Return to top

OFM's involvement with the 2010 Census

The 2010 Census was conducted by the U.S. Census Bureau, which is part of the federal Department of Commerce. As a State Data Center and Federal State Cooperative for Population Estimates program member, OFM serves as a liaison between the State and Census Bureau, acts as an advocate for census related issues specific to Washington state, and facilitates the Census Bureau's mission of attaining a complete and accurate 2010 census count. To help fulfill those roles, OFM:

Return to top