This page contains demographic research and analysis extracted from the 1990, 2000, and 2010 Censuses, the American Community Survey, various years of the Current Population Survey, Annual Social and Economic Supplement, and migration (which describes movements within the same country or state) and immigration (which describes movements between countries).
Census and Surveys
- California American Community Survey 1-Year Report
- Eliminating the 2010 Census Long Form? – Current Status of the American Community Survey
- Census 2000: An Overview of Californians Summary File 3
- California 2000 Population Distribution in Proximity to Public Postsecondary Institutions
- Census 2000: Summary File 1 California Profile
- Census 2000 Mail Participation Rates
1990 Census
Historical Census Data
- Historical Census Populations of Counties and Incorporated Cities in California, 1850–2020
- SR 91-2 State Populations and Changes: 1970, 1980 and 1990
- Population Totals by Township and Place for California Counties: 1860 to 1950
Current Population Survey Report – United States
Current Population Survey Report – California
- Two-Year Average Series, March 2000-2011 Data
- March 2007 Data
- March 2006, Extended Report
- March 2005, Extended Report
- March 2004, Extended Report
- March 2003, Extended Report
- March 2002 Data
- March 2001 Data
Immigration and Migration
- Legal Immigration to California by County, 1984–2019
- Legal Immigration to California in 2002
- Legal Immigration to California in 2001
- They Came to California: Legal Immigration in 2000
- Legal Immigration to California in 1999
- Legal Immigration to California in Fiscal Years 1997 and 1998
- Legal Immigration to California in Federal Fiscal Year (FFY) 1996
- Legal Immigration to California in Federal Fiscal Year (FFY) 1995
- Legal Immigration to California, 1984-1994: A Summary
- Legal Immigration to California in Federal Fiscal Year (FFY) 1994: A Synopsis in Tables
- Legal Foreign Immigration to California: Size and Characteristics of the Flow According to the INS Statistics for 1993
- Fertility of Immigrant Women in California
- Refugee Immigration to California, 1990–1994: A Summary in Tables
- Migration Between California and Other States: 1985–1994
- The Effect of the Loma Prieta Earthquake on California Migration
- Who Moved Where and Why? California, March 2001–2003
- They Moved and Went Where: California’s Migration Flow, 1995-2000