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Countywide Statistical Areas (formerly called Board Approved Statistical Areas) – Final Draft

Countywide Statistical Area (formerly called Board Approved Statistical Areas) provide a common geographic boundary for reporting departmental statistics for unincorporated areas to the Board of Supervisors. They are not designed to perfectly represent communities, nor jurisdictional boundaries such as the Angeles National Forest. References below might still be for BASA – but they […]

Census Tract & City Split Areas (AKA Split Tracts) File

Census Tract & City Split Areas (AKA Split Tracts) File, to be used for demographic estimates.

This file contains 2010 Census Tracts Split by Legal City Boundaries. This file is also known as the Split Tracts file. It is used to estimate population changes over time. The Census Tract boundaries have been altered where necessary […]

CENSUS TRACTS

The Census Bureau (http://www.census.gov/) maintains geographic boundaries for the analysis and mapping of demographic information across the United States. Every 10 years the Census Bureau counts the population of the United States as mandated by Constitution. The Census Bureau releases the results of this county as demographic data with geographic identifiers so […]

CENSUS DESIGNATED PLACES

Census Designated Places (CDPs) are the statistical counterparts of incorporated places, and are delineated to provide data for settled concentrations of population that are identifiable by name but are not legally incorporated under the laws of the state in which they are located.

The boundaries usually are defined in cooperation with local or tribal officials […]

Split 2010 Block Group/City – Community Statistical Area (formerly BASA)

This dataset contains 2010 Block Groups, updated to improve geographic accuracy, split by City boundaries for each year since 2010. It is a foundation-level dataset that is used to create many other datasets and reporting within the County, including:

Legal City Boundaries Census Block Group and Tract Boundaries – which is used to […]

2010 Census Tracts (Median Household Income)

For mapping 2010 census tracts by median household income in the County of Los Angeles. The dataset was downloaded from Census.gov. For Census technical documentation, go to http://www.census.gov/prod/cen2010/doc/sf1.pdf Download CENSUS_TRACTS_2010_MEDHINC (zipped shapefile)

2010 Census Tracts (Sex by Age)

This feature class shows 2010 Census Tracts (Sex by Age only) for Los Angeles County geographic area. The dataset was downloaded from Census.gov.

For Census technical documentation, go to http://www.census.gov/prod/cen2010/doc/sf1.pdf

2010 Census Blocks (Sex by Age)

This feature class shows 2010 Census Blocks (Sex by Age) for Los Angeles County geographic area. The dataset was downloaded from Census.gov and additional administrative boundary information was appended to the dataset.

For Census technical documentation, go to http://www.census.gov/prod/cen2010/doc/sf1.pdf

 

Population and Poverty Estimates

County of Los Angeles had loaded numerous population and poverty estimates at either the Census Tract level or Census Tract-City split areas by age, gender, and/or race-ethnicity into the eGIS_Demographic database and the internal networked drive (members\Demography folder). These datasets are proprietary estimates acquired by Los Angeles County for internal analysis. County departments and agencies […]

Service Planning Areas (SPA) – 2012

Service Planning Areas (SPAs) are used by a number of County departments (Public Health, Health Services and Mental Health) to plan and manage service delivery across the County. SPAs are aggregated from Census Tracts in order to connect them to demographic information.

The SPAs in this dataset are based upon 2010 […]

Health Districts (HD) – 2012

Health Districts (HDs) are used primarily by the Department of Public Health to plan and manage health service delivery across the County. HDs are aggregated from Census Tracts in order to connect them to demographic information.

Created in 2012, the HDs in this dataset are based upon 2010 Census Tracts and […]

Census Blocks (2010)

Census Geography Background

The Census Bureau (http://www.census.gov/) maintains geographic boundaries for the analysis and mapping of demographic information across the United States. Every 10 years the Census Bureau counts the population of the United States as mandated by Constitution. The Census Bureau releases the results of this county as demographic data with […]

Health Districts (HD) – 2002

Health Districts (HDs) are used primarily by the Department of Public Health to plan and manage health service delivery across the County. HDs are aggregated from Census Tracts in order to connect them to demographic information.

Created in 2002, the HDs in this dataset are based upon 2000 Census Tracts and subdivision of […]

Service Planning Areas (SPA) – 2002

Service Planning Areas from 2002 […]