The U.S. has reported more than 38.6 million confirmed COVID-19 cases as of August 30. There have been more than 632,000 reported deaths from COVID-19-related causes — the highest death toll of any country.

The extent of the spread of the novel coronavirus continues to vary considerably from state to state, and from city to city. Even as the number of daily new cases is flattening or even declining in some parts of the country, it is surging at a growing rate in others.

Nationwide, the number of new cases is growing at an increasing rate. There were an average of 49.9 daily new coronavirus cases per 100,000 Americans in the week ending August 30, an increase from the week prior, when there were an average of 40.5 daily new coronavirus cases per 100,000 people.

In Michigan, there were an average of 20.5 daily new coronavirus cases per 100,000 residents in the week ending August 30 — the fourth fewest of all 50 states. Michigan’s most recent case growth is an increase from the week prior, when there were an average of 14.8 daily new cases per 100,000 residents.

Metropolitan areas with a high degree of mobility and a large population may be particularly vulnerable to outbreaks. While science and medical professionals are still studying how exactly the virus spreads, experts agree that outbreaks are more likely to occur in group settings where large numbers of people routinely have close contact with one another. Cities with high concentrations of dense spaces such as colleges, correctional facilities, and nursing homes are particularly at risk.

In the Kalamazoo-Portage metropolitan area, there were an average of 28.2 daily new coronavirus cases per 100,000 residents in the week ending August 30 — the fastest case growth of any city in Michigan. The metro area’s most recent case growth rate is an increase from the week prior, when there were an average of 19.4 daily new cases per 100,000 residents.

Jackson, the city where COVID-19 is growing the second fastest, has reported an average of 27.8 new daily cases per 100,000 residents.

Since the beginning of the pandemic, the Kalamazoo-Portage metropolitan area has reported a cumulative total of 24,945 confirmed cases, or 9,494.0 per 100,000 residents. By comparison, there are currently 10,561.0 cases per 100,000 Michigan residents and 11,779.8 cases per 100,000 Americans nationwide.

In order to slow the spread, cities have ordered the closure of thousands of consumer-facing businesses. These measures have led to widespread job loss and record unemployment. In Kalamazoo-Portage, unemployment peaked at 18.8% in April 2020. As of May 2021, the unemployment rate was 5.2%.

To determine the metropolitan area in each state where COVID-19 is growing the fastest, 24/7 Wall St. compiled and reviewed data from state and local health departments. We ranked metropolitan areas according to the average number of new daily COVID-19 cases per 100,000 residents in the seven days ending August 30. Data was aggregated from the county level to the metropolitan area level using boundary definitions from the U.S. Census Bureau. Population data used to adjust case and death totals came from the U.S. Census Bureau’s 2019 American Community Survey and are five-year estimates. Unemployment data is from the Bureau of Labor Statistics and is seasonally adjusted.

These are all the counties in Michigan where COVID-19 is slowing (and where it’s still getting worse).

MSA	Population	New daily cases per 100,000, week ending Aug. 30	New daily cases per 100,000, week ending Aug. 23	Cumulative cases per 100,000	Cumulative deaths per 100,000
Kalamazoo-Portage, MI	262,745	28.2	19.4	9,494.0	157.6
Jackson, MI	158,636	27.8	18.5	10,685.5	192.3
Battle Creek, MI	134,212	24.9	13.5	11,491.5	243.6
Grand Rapids-Kentwood, MI	1,062,392	24.9	15.3	11,769.9	144.3
Niles, MI	154,133	24.6	14.1	10,611.6	195.9
Saginaw, MI	191,821	24.3	16.5	11,795.4	332.1
Monroe, MI	149,727	22.6	15.1	10,869.1	181.0
Flint, MI	407,875	22.3	14.3	10,745.7	244.7
Muskegon, MI	173,297	21.6	11.5	9,926.9	218.1
Detroit-Warren-Dearborn, MI	4,317,848	20.4	14.3	10,483.6	259.1
Lansing-East Lansing, MI	546,772	20.0	13.7	9,510.2	151.1
Bay City, MI	104,104	18.5	14.7	11,277.2	348.7
Midland, MI	83,355	18.0	11.3	9,549.5	120.0
Ann Arbor, MI	367,000	17.7	12.9	7,667.3	83.9

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