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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 […]

Airport Runways

Airport Runways in the County of Los Angeles digitized from high-resolution aerial photography, and created by the following agencies: LAWA (Los Angeles World Airports), Department of Public Works, City of Long Beach, City of Santa Monica, and City of Burbank.

The runways include all paved and access tarmacs to the flight lines.

Download […]

US Census Summary File 1 (2010)

These Summary File 1 tables provide the most detailed counts available so far from the 2010 Census, including cross-tabulations of age, sex, households, families, relationship to householder, housing units, detailed race and Hispanic or Latino origin groups, and group quarters at the census tract level.

Census Bureau Releases New Local-Level Demographic Information from 2010 Census […]

LA County Land Types

Current date of the data: August 2015

The Land Types dataset is a public domain dataset managed by the County of Los Angeles which includes various types of land use that are critical for mapmaking and geographic analysis. The data has been created to match parcel boundaries where possible, and digitized from 4-inch aerial photography […]

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 […]

LA County GIS Viewer Upgrade #2 – Charting!

Adding the Median Income Chart

I posted yesterday about a major speed enhancement just released with the upgrade of Geocortex Essentials that was completed last week – Googly Search.

Here is another big addition that we are leveraging – CHARTS!

A few years ago the ESRI flex viewer had some […]

LA County GIS Viewer Upgrade #1 – Googly Search!

Googly Search

Have you ever wanted the searches in our GIS applications to be more “Googly” – where as you type you get suggestions on the rest of the entry? I have dreamt about this. With the recent upgrade of our GIS Viewers to the newest versions of Essentials from Latitude Geographics […]

Southern California Railroad Mileposts with Sheriff Reporting Districts

RD Map

Summary

Railroad mileposts used to report incidents and issues along railroad lines to public safety (law enforcement and fire). It includes LA County Sheriff Reporting District Numbers for each milepost.

Background

This dataset was developed in 2006 to be added to Reporting District Maps for the LA County Sheriff, who are […]

LA County Specific Locators and Matching Rules

Note – this is NOT a data download, it is a highly post, with downloads enabling GIS professionals with ESRI’s ArcGIS Software to embed enhanced geocoding rules into ESRI software for improving matching rates.

LA County currently is able to match over 99.5% of incoming addresses. Part of this has to do with the high […]

County Library Service Area Boundaries

Library Service Area Boundaries […]