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Data Set Sources by Subject - Census & Demographic
(United States, mostly - see International page for non-U.S. data)
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- These links contain downloadable data sets. The data sets may be available in a variety of formats: csv, Excel, SAS, SPSS, Stata, etc. Some may be available in multiple formats, some in only one (e.g., Excel.)
Census (U.S.) and Related Sites
American Community Survey (ACS) Summary Files
Includes the ACS 2005-2009 first ever block-group data, only available on the Summary File, and 295 Detailed Tables not available in American FactFinder.
Data are available in zip files. See the technical documentation pdf for more information.
- Directory of ACS Summary Files
- ACS Summary File Tools
A summary file retrieval tool with user guide; also another route to access the files and more information about the ACS.
American Community Survey (ACS) PUMS Data
PUMS = Public Use Microdata Sample.
American Community Survey - Downloadable data via FTP server
American FactFinder -- all tables you find just searching AFF can be downloaded as Excel files. You also can do some manipulation of the tables before you download them.
IPUMS USA
IPUMS stands for Integrated Public Use Microdata Series. Microdata provides information about individual persons and households, in this case from the US Census.
Missouri Census Data Center
This state data center provides a lot of helpful tools for U.S. Census users.
- Standard Summary File 1 (2010 Census) Extract Assistant
- This application is for the more casual user of census data who just wants to create a spreadsheet, and/or possibly a SAS or SPSS data set, containing basic data for specific geographic units within a specified state.
- Summary of Data Tables, with Links
- For the more advanced user. Click on the name/link, and the Dexter Data Extractor program gives you the options of choosing output format, rows (observations), columns (variables), and more.
NHGIS - National Historical Geographic Information Service
"Provides, free of charge, aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2010." To download data, you will need to register.
Oregon Census State Data Center
The Population Research Center at PSU has pre-assembled some Oregon census data for you, including downloadable spreadsheets of Oregon counties and incorporated cities showing population change from 2000 to 2010, and Census Tract and Block Group text files for GIS and databases.
Oxford Social Explorer 
Search the US Census from 1790-2010 and download files in csv format.
USA Counties Data File Downloads
Census Bureau county data, downloadable as Excel files and zip files. See this page for more information on what's in the downloads.
Other Census, Demographic and Vital Statistics Data sites
Bridged-Race Population Estimates Data Files and Documentation
Data from intercensal and postcensal population estimates; zipped files with text and SAS formats. Provided by the CDC National Vital Statistics System. “Race bridging refers to making data collected using one set of race categories consistent with data collected using a different set of race categories, to permit estimation and comparison of race-specific population-based statistics at a point in time or over time.”
IPUMS International
IPUMS-International is composed of microdata, which means that it provides information about individual persons and households worldwide (including the US.) It produces fixed-column ASCII data and a statistical package syntax file to accompany each extract. SAS, SPSS, and Stata are supported.
Migration Data Downloads (IRS Statistics of Income Division)
State-to-state and county-to-county migration data, 2005-present. Excel files.
Oregon Communities Reporter Tool
Compare or combine data from Oregon (and a few northern California) communities. Data available includes population, demographic, economic, health, and more. Data reports are downloadable as Excel files.
Oregon Demographic Forecast
From the OR Office of Economic Analysis. Long-range county forecasts are available as xls downloads.
- Birth and mortality data in zipped files; with user's guides and data access tools.From the National Center for Health Statistics
