Local Data: Cook County, IL
In 2021, there were 25,728 people living with HIV in Cook County.
In 2021, 586 people were newly diagnosed with HIV.
HIV Prevalence
Number of people living with HIV, 2021 25,728
Rate of people living with HIV per 100,000 population, 2021 586
Rate of people living with HIV per 100,000 population, by Geography, 2021
New HIV Diagnoses
Number of new HIV diagnoses, 2021 843
Rate of new HIV diagnoses per 100,000 population, 2021 19
Number of New HIV Diagnoses, 2008-2021
Rate of people newly diagnosed with HIV per 100,000 population, by Geography, 2021
PrEP (Pre-Exposure Prophylaxis)
Number of PrEP users, 2022 16,271
Rate of PrEP users per 100,000 population, 2022 373
Number of PrEP Users, 2012-2022
PrEP-to-Need Ratio (PNR)
The 2022 PrEP-to-Need Ratio (PNR) is the ratio of the number of PrEP users in 2022 to the number of people newly diagnosed with HIV in 2021. PNR serves as a measurement for whether PrEP use appropriately reflects the need for HIV prevention. A lower PNR indicates more unmet need.
PNR, 2022 19.30
PNR, by Sex, 2022 Male: 21.32 Female: 7.42
PNR, by Age, 2022 Aged 13-24: 8.90 Aged 25-34: 21.23 Aged 35-44: 29.91 Aged 45-54: 19.72 Aged 55+: 14.93
PNR, 2012-2022
HIV Continuum of Care, 2021
Late Diagnoses and Linked to Care are among people newly diagnosed with HIV and Receipt of Care and Viral Suppression are among all people living with HIV.
Late HIV Diagnoses
A late HIV diagnosis is defined as having an AIDS diagnosis within three months of initial HIV diagnosis.
Number of new HIV diagnoses that were diagnosed late, 2021 143
Percent of new HIV diagnoses that were diagnosed late, 2021 17.0%
Linked to HIV Care
Linkage to care is defined as having a visit with an HIV health care provider within one month of being diagnosed with HIV.
Number of people diagnosed with HIV and linked to HIV care, 202122 730
Proportion of people with a late HIV diagnoses, by Sex, 2021 Male: 87.2% Female: 82.8%
Proportion of people with a late HIV diagnoses, by Race/Ethnicity, 2021 Black: 84.1% Hispanic/Latinx: 89.4% White: 89.7%
Percent of people diagnosed with HIV and linked to HIV care, 2021 86.6%
Proportion of people linked to HIV care, by Age, 2021 Aged 13-24: 85.2% Aged 25-34: 87.8% Aged 35-44: 87.3% Aged 45-54: 90.8% Aged 55+: 79.3%
Receipt of HIV Care
Receipt of HIV care is defined as those living with diagnosed HIV who received medical care for HIV and had at least one CD4 count or HIV viral load test in that year.
Number of people living with HIV who received HIV care, 2021 18,811
Proportion of people who received HIV care, by Sex, 2021 Male: 76.3% Female: 71.9%
Proportion of people linked to HIV care, by Race/Ethnicity, 2021 Black: 72.4% Hispanic/Latinx: 73.3% White: 80.7%
Percent of people living with HIV who received HIV care, 2021 75.5%
Proportion of people who received HIV care, by Age, 2021 Aged 13-24: 73.3% Aged 25-34: 75.2% Aged 35-44: 75.9% Aged 45-54: 75.6% Aged 55+: 75.6%
Demographics, 2020
Total Population 5,275,541
County Population by Race/Ethnicity
- American Indian / Alaska Native (0.1%)
- Asian (7.7%)
- Black (22.5%)
- Hispanic / Latinx (26.2%)
- White (40.5%)
- Other* (3.0%)
Urbanicity, 2013
People Living with HIV, by Transmission Category, 2021
Percent of People Living with HIV, by Transmission Category, 2021
Male Transmission Categories
- Injection Drug Use (5.9%)
- Heterosexual Contact (6.1%)
- Male-to-Male Sexual Contact (65.8%)
- Male-to-Male Sexual Contact & Injection Drug Use (5.2%)
- Other* (17.0%)
Female Transmission Categories
- Injection Drug Use (21.1%)
- Heterosexual Contact (75.3%)
- Other* (3.6%)
HIV Testing, 2016-2017
Percent ever tested for HIV, 2016-2017 41%
Percent tested in the past year for HIV, 2016-2017 14%
Sexually Transmitted Diseases, 2021
- County
- State
- Region
- United States
Social Determinants of Health, 2021
Percent of Population with a High School Education, 2021
Income Inequality (Gini Coefficient), 2021
Percent of Population Living in Poverty, 2021
Median Household Income, 2021
Percent of Population (<65) Lacking Health Insurance, 2021
Percent of Population Unemployed, 2021
Percent of Population Living in Unstable Housing, 2021