5 Dirtiest Cities in the U.S.

3. San Francisco, California

Percentage of Households Reporting No Trash: 81%

San Francisco is an iconic city in California and a technology hub in the U.S. After a recent murder of a billionaire, the city’s safety problems came into the national spotlight, even though police later shared that the murderer was an acquaintance of the victim. San Francisco is also known for its high rents and has also faced an exodus of residents due to this. 1.7 million households were surveyed by the Census Bureau, and 81% reported no litter.