Scott County also tallied 420 new cases since last week, for an average of 60 per day - up from the previous week when the average was 50.
Rock Island County has had 95 new cases since Monday for an average of 52 per day over the past week, an increase from the previous week when it was 44.
The total number of COVID-19 deaths in the two counties since the pandemic began is 605.
Dubuque County also reports one new death from COVID-19 during the past week.
Janet Hill, from the Rock Island County Health Department says “We have seen an uptick of deaths - 11 Rock Island County residents have died in August and September from COVID-19. Two of those residents were in their 30s and 20s.
“Someone usually doesn’t die quickly from this disease. A seriously ill patient often will suffer in the hospital for days or even weeks.”
