1. California  509,291

https://www.worldometers.info/coronavirus/country/us/?

2. WSJ:  Coronavirus Latest: California Is First State to Pass 500,000 Infections

The illness swept through the U.S. in July, overwhelming some states and cities

California became the first state in the U.S. to surpass 500,000 coronavirus infections, capping a month in which confirmed cases rose by nearly two million nationwide.

https://www.wsj.com/articles/coronavirus-latest-news-08-01-2020-11596268447?