About SanGIS

Facts & Figures

County of San Diego

San Diego County covers an area of 4,526 square miles making it larger than Delaware or Rhode Island and 82% the size of the state of Connecticut. With a 2010 population of 3,095,313, it is the fifth most-populous county in the United States giving it a population greater than 21 states. The people of San Diego County live in 18 incorporated cities, 18 Indian reservations, 16 significant naval and military locations or 64 unincorporated areas. Over 480 species of birds have been observed in San Diego County, more than any other county in the United States. Public agencies or districts own over 60% of the land in the County.

City of San Diego

The City of San Diego was founded in 1769 and chartered in 1850. It covers 342 square miles (8 % of the County), has a 2010 population of 1,307,402 (42% of the County), and includes 52 planning areas. It is the 2nd largest city in California and the 8th largest city in the United States. The City of San Diego was rated the fifth-best place to live in the United States by MONEY Magazine in 2006.


The SanGIS database is extensive and covers every incorporated and unincorporated area in the County. Following are a few facts about the volume of GIS data available to SanGIS' JPA members and the general public.

Key Landbase Data Items (as of January 2014)
1,039,021 Parcels
159,675 Road segments
126,800 Intersection Points
1,156,450 Address points
6,516 Open Space Easements
Data Warehouse Layers (as of January 2014)
Over 530 spatial data warehouse layers available to JPA members
Data replicated every week to City and County networks
Over 100 registered users of SanGIS Spatial Data Warehouse
314 publicly available layers (as shape files) in 29 categories
Key Public Data Services
Average of 51 maps created each month
Average of 24 customer data extracts per month
Between May 2010 and August 2011 there was an average of almost 2900 files downloaded per month from the SanGIS data download web site. This is equivalent to a file being downloaded once every 15 minutes, 7 days a week, 24 hours a day.