COVID-19

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State Data Center program

The State Data Center (SDC) program is a cooperative program between the states and the Census Bureau created in 1978 to make data available locally to the public through a network of state agencies, universities, libraries, and regional and local governments. The Business and Industry Data Center (BIDC) program was added in 1988 to meet the needs of local business communities for economic data. The Office of Financial Management is the state agency responsible for administering these programs in Washington state.

For detailed contact information for the Washington SDC/BIDC coordinating agencies and affiliate members, please consult the Washington State Data Center directory. The organizations and contact persons play an important role in the dissemination of Census data. Many of the larger participating universities, regional councils of governments, and county planning agencies have developed publications that include the data most requested by local constituents. Several organizations provide specialized computer processing to meet individual data needs.

SDC annual meeting - September 2019

Differential privacy

  • Letters to the Census Bureau
  • Briefing Paper
  • Census Bureau: Data Protection and Privacy Program website
  • Data products
    • Excel comparison files
      • Tables: 2010 Demonstration Data Products, 2010 Summary File 1, numeric difference and percentage difference
      • Variables: population, housing, occupancy, group quarters population, population by race, population by total races tallied, population by sex by 5-year age group, population by sex by 5-year age group by race and population by sex by 1-year age group (where available)
      • Geographies: state, county, incorporated county, unincorporated county, city, city by county part, census designated place, census tract, census block group, congressional district (2012), legislative district (2012), school district, tribal area, urban area (2013), Zip Code Tabulation Area
    • Geodatabase comparison files
      • Attributes: 2010 Demonstration Data Product, 2010 Summary File 1, numeric difference, percentage difference
      • Variables: differs by geodatabase size denoted below:
        • Small: population, housing, occupancy, and group quarters population [file size: 103 MB]
        • Medium: same as “small” with the addition of population by race, population by total races tallied, and population by sex by 5-year age group [file size: 131 MB]
        • Large: same as “medium” with the addition of population by sex by 5-year age group by race and sex by 1-year age group (tract level only) [file size: 163 MB]
      • Geographic: census tract, census block group, census block
    • Age-sex charts
      • Variables: population by sex by 5-year age group
      • Geographies: state, county, city
    • Data sets for statistical analysis (for advanced data users)
Last updated
Thursday, September 17, 2020
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