The surge is happening in St. Mary's too. It's not about absolute numbers when trying to keep people safe, it's the trends.
http://www.smchd.org/2020/11/st-marys-county-reaches-new-peak-for-covid-19-case-rate/
*Data pulled on November 15, 2020 *
To put the Maryland numbers in perspective: 165,930 total positives since we began counting.
124,409 is total for PG, Mont, Bal, and AA.
The remaining 18 counties total 41,521.
St. Mary's is 1,731 and Calvert is 1,365 of that number.
Total MD population: 6,083,120
St. Mary's population: 113,166
Calvert population: 93,279
11/15/2020: St. Mary's is 1,731 and Calvert is 1,365 *0 new deaths
11/16/2020: St. Mary's 1,749 (+18), Calvert 1,373 (+8) *0 new deaths
11/17/2020: St. Mary's 1,771 (+22), Calvert 1,388 (+15) *0 new deaths