Data & Surveillance

Alameda County Probable and Confirmed Cases (Updated Periodically)

Case Characteristic (as of May 15, 2023)
Age Group	Count (%) †
<18 Years	<10
18-30 Years	70 (28%)
31-40 Years	88 (35%)
41-50 Years	61 (24%)
51-60 Years	24 (9.6%)
61-70 Years	<10
>70 Years	<10
Race/Ethnicity	Count (%) †
American Indian or Alaska Native	<10
Asian	18 (8.1%)
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	27
Gender Identity	Count (%) †
Female	<10
Male	235 (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	136 (67%)
Heterosexual or straight	21 (10%)
Questioning or Unsure	<10
Orientation not listed	<10
Declined to answer	<10
Unknown/Not Given	46
Location	Count (%) †
Central County/Eden	53 (22%)
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	6

* Case Numbers as of 05/15/23. Numbers updated periodically and subject to change.

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