Los Angeles and Orange counties contain some of the highest concentrations of crowded homes in the country, according to a Times analysis of federal statistics. Explore the map or click the thumbnails below to see where the top 1% of the most crowded ZIP codes in the nation are.
Read more: L.A. and Orange counties are an epicenter of overcrowded housing
Sources: U.S. Census Bureau, Times analysis
Interactive: Ryan Menezes | Design: Lily Mihalik | Reporting: Emily Alpert Reyes