2020 Census Data | Department of Finance

Data and products for California from the 2020 Census. The California State Data Center generates reports and tabulations from data files released by the U.S. Census Bureau.

Demographic Profile and Demographic and Housing Characteristics (DHC) File — selected population characteristics for California, counties, places, ZIP Code Tabulation Areas (ZCTAs), and school districts
Redistricting Data (P.L. 94-171) — total population and population 18 years and older by race and Hispanic/Latino, total housing units, households (occupied units), vacant units, and population by type.

Demographic Profile and DHC

The Census Bureau released Demographic Profiles and DHC tables for California, counties, places, ZCTAs, census tracts, and school districts on May 25, 2023. These profiles and tables provide basic demographic characteristics of the population including age, sex, race, households and families, type of vacancy, and tenure.

Full 2020 Demographic Profile for California and counties:
California, all counties, and all places (incorporated cities and Census Designated Places) – selected data for 2020, 2010, and 2000:
- Table 1 — Total population, median age, sex, age, household and family size
- Table 2 — Total population, land area (square miles), population density
- Table 3a and 3b — Data for Detailed Asian Race or Hispanic Origin by specific origin are not available from the Demographic Profile or the DHC. The Census Bureau anticipates publishing this data as part of the Detailed DHC-A release in September 2023. Data for race and Hispanic Origin (no detail) from the 2020 PL-94 release are available in Table H2 and on data.census.gov.
- Table 4a — Persons by Relationship (householder, spouse, child, etc)
- Table 4b — Households by Type (family households, single parent households, households with children)
- Table 5a — Housing Occupancy (occupied units and vacant unit by type of vacancy)
- Table 5b — Housing Tenure (owner/renter)
ZIP Code Tabulation Areas (ZCTA) in California – selected data:
- Table 1 — Total population, median age, sex, age, household and family size
- Table 2 — Total population, land area (square miles), population density
- Table 3a and 3b — Data for Detailed Asian Race or Hispanic Origin by specific origin are not available from the Demographic Profile or the DHC. The Census Bureau anticipates publishing this data as part of the Detailed DHC-A release in September 2023.
- Table 4a — Persons by Relationship (householder, spouse, child, etc)
- Table 4b — Households by Type (family households, single parent households, households with children)
- Table 5a — Housing Occupancy (occupied units and vacant unit by type of vacancy)
- Table 5b — Housing Tenure (owner/renter)
- ZCTA data from the 2010 Census
School Districts in California – selected data:

School districts are identified as Elementary (primarily serving children in the elementary grades), Secondary (primarily serving children in secondary grades 9th-12th), and Unified (serving children of all grade levels). The districts in these tables are listed in alphabetical order.
- Table 1 — Total population, median age, sex, age, household and family size
- Table 2 — Total population, land area (square miles), population density
- Table 3a and 3b — Data for Detailed Asian Race or Hispanic Origin by specific origin are not available from the Demographic Profile or the DHC. The Census Bureau anticipates publishing this data as part of the Detailed DHC-A release in September 2023.
- Table 4a — Persons by Relationship (householder, spouse, child, etc)
- Table 4b — Households by Type (family households, single parent households, households with children)
- Table 5a — Housing Occupancy (occupied units and vacant unit by type of vacancy)
- Table 5b — Housing Tenure (owner/renter)
View the complete Demographic Profile for any area on data.census.gov

Redistricting Data (P.L. 94-171)

The U.S. Census Bureau released the 2020 Census Redistricting (Public Law 94-171) File for California on August 12, 2021. This file contains total population and population 18 years and older by race and Hispanic/Latino, total housing units, households (occupied units), vacant units, and population by type of group quarters for local geographic areas down to the census block level.

In this section:

Historical 2010 and 2020 Comparisons — comparisons of 2010 and 2020 data for California, Counties and Incorporated Cities/Towns.
Maps: 2010 to 2020 Population Change and Race/Ethnicity — percent and numeric change from 2010 to 2020, and race/ethnicity detail by county.
2020 Redistricting Data Profiles for California, Counties, and Places.
Population and Housing Data for:
Data for Block Groups and Blocks
Additional Resources — links to downloads and technical documentation maintained by the Census Bureau.

Historical 2010 and 2020 Comparisons for California, Counties, and Incorporated Cities/Towns

Note: Historical data are provided for geographic areas with legal boundaries only.

Maps: 2010 to 2020 Population Change and Race/Ethnicity

Redistricting Data Profiles

These easy-to-use one-page, PDF profiles present the total and 18 years and older population by race (Not Hispanic/Latino) and Hispanic/Latino, housing data, and population by type of group quarters for individual geographic areas:

Each place within a county:

Data for California, Counties, Cities/Towns, and Census Designated Places (CDP)

Data for Current California State Legislative and Congressional Districts

Data for Census Tracts

Data for Block Groups and Blocks

For block level data, please refer to the Statewide Database, the official redistricting database for the state of California. They have reformatted the legacy format redistricting data file into a user-friendly version.

Additional Resources from the Census Bureau

For all geographic areas including census block, download the complete Redistricting Data File and click on “California.” (www2.census.gov)
Technical Documentation for Redistricting Data File (www2.census.gov)
2020 Census Redistricting [P.L. 94-171] TIGER / Line Shapefiles (Inputs for geographic information systems — www2.census.gov)
U.S. Census Bureau Redistricting Data website (www.census.gov)
2020 Census PL 94-171 Maps: Census Tracts (www.census.gov)
P.L. 94-171 County Block Maps (www.census.gov)

Comments and suggestions? Please email CensusData4CA@dof.ca.gov.