Data & Surveillance

Alameda County Probable and Confirmed Cases (Updated Periodically)

Case Characteristic (as of January 3, 2023)
Age Group	Count (%) †
<18 Years	< 10
18-30 Years	71 (29%)
31-40 Years	86 (35%)
41-50 Years	60 (24%)
51-60 Years	24 (9.7%)
61-70 Years	< 10
>70 Years	< 10
Race/Ethnicity	Count (%) †
American Indian or Alaska Native	< 10
Asian	19 (8.5%)
Black or African American	55 (25%)
Hispanic or Latino	89 (40%)
Native Hawaiian or other Pacific Islander	< 10
White	49 (22%)
Multiracial/Other	12 (5.4%)
Unknown	24
Gender Identity	Count (%) †
Female	< 10
Male	232 (94%)
Trans male, trans female, gender non-conforming, or another gender identity	< 10
Unknown/Not Given	1
Sexual Orientation	Count (%) †
Bisexual	32 (16%)
Gay, lesbian, or same-gender loving	135 (67%)
Heterosexual or straight	21 (10%)
Questioning or Unsure	< 10
Orientation not listed	< 10
Declined to answer	< 10
Unknown/Not Given	45
Location	Count (%) †
Central County/Eden	52 (21%)
East County/Tri-Valley	< 10
North County, excluding Oakland and Berkeley	19 (7.8%)
Oakland	149 (61%)
South County/Tri-City	17 (7.0%)
Unknown	5

* Case Numbers as of 01/03/23. Numbers updated periodically and subject to change.

† Percentages exclude cases where information is unknown; denominator of percentages = known cases.