Massachusetts - County Infection Estimates
See state-wide estimates here.
Click on a county name to view the infections estimates for that county.
See the Counties Summary page for a searchable and sortable table.
Note: Due to the inherent lag between infections and reporting of cases, our estimates of infections are as of 14 days ago.
Last updated: January 22, 2021
Massachusetts Note: Cases and deaths for Dukes and Nantucket counties are aggregated by Massachusetts into one, and hence are not reported separately.
FIPS Code | County | Population | Confirmed Cases | % Currently Infected | % Total Infected |
---|---|---|---|---|---|
25017 | Middlesex | 1,611,699 | 95,512 | 2.3 | 20.3 |
25027 | Worcester | 830,622 | 55,257 | 2.8 | 21.2 |
25025 | Suffolk | 803,907 | 67,004 | 2.9 | 30.7 |
25009 | Essex | 789,034 | 73,092 | 3.5 | 30.1 |
25021 | Norfolk | 706,775 | 36,599 | 2.4 | 17.9 |
25005 | Bristol | 565,217 | 46,345 | 3.8 | 24.5 |
25023 | Plymouth | 521,202 | 32,974 | 3.1 | 21.9 |
25013 | Hampden | 466,372 | 34,256 | 3.1 | 23.2 |
25001 | Barnstable | 212,990 | 7,783 | 2.0 | 11.5 |
25015 | Hampshire | 160,830 | 5,175 | 1.6 | 10.0 |
25003 | Berkshire | 124,944 | 4,161 | 1.9 | 10.4 |
25011 | Franklin | 70,180 | 1,651 | 1.0 | 8.0 |
25007 | Dukes | 17,332 | 0 | 0.0 | 0.0 |
25019 | Nantucket | 11,399 | 0 | 0.0 | 0.0 |