Data describes housing affordability for selected geographies and determines the shortage or surplus of affordable housing by income group was done by CHPC for renter households for years 2014-2016.
Deeply Low Income (DLI) is defined as 0-15% of Area Median Income (AMI)
Extremely Low Income (ELI) is defined as 16-30% of AMI
Very Low Income (VLI) is defined as 31-50% of AMI
Low Income is defined as 50-80% of AMI
Moderate Income is defined as 80-100% of AMI

Distribution of housing and transportation costs as a percentage of income for selected geographies (2017). Calculations are based on 2015 ACS data and 2014 Longitudinal Employer-Household Dynamics database. Data includes Los Angeles County, City of Los Angeles, Los Angeles Region, San Diego County and San Francisco Region.

Regional Housing Needs Assessment (RHNA) allocation sets goals for every jurisdiction to produce its share of regional housing needs at various income levels. LA County is currently in its 5th RHNA cycle. The allocation was set in 2012 with the goal of completing the required housing production by 2021. The data describes the RHNA allocation and the number of units permitted for Very Low Income, Low Income, Moderate Income, and Above Moderate Income levels for each city and the unincorporated areas as of 12/4/18. Data was combined with LA County shapefile information to map the percentage of total RHNA allocation built for each jurisdiction.