Jersey County's estimated 2025 population is 20,891 with a growth rate of -0.48% in the past year according to the most recent United States census data. Jersey County is the 55th largest county in Illinois. The 2010 population was 22,997 and has seen a growth of -9.16% since that time.
Data after 2023 is projected based on recent change
The racial composition of Jersey County includes 95.34% White, and smaller percentages for Black or African American, Asian, other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
White
Two or more races
Black or African American
Asian
Other race
Native Hawaiian or Pacific Islander
Native American
Race | Population | Percentage (of total) |
|---|---|---|
| White | 20,341 | 95.34% |
| Two or more races | 698 | 3.27% |
| Black or African American | 124 | 0.58% |
| Asian | 107 | 0.5% |
| Other race | 36 | 0.17% |
| Native Hawaiian or Pacific Islander | 24 | 0.11% |
| Native American | 6 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Jersey County's average per capita income is $53,002. Household income levels show a median of $79,104. The poverty rate stands at 9.97%.
Name | Median | Mean |
|---|---|---|
| Married Families | $112,420 | - |
| Families | $97,557 | $120,085 |
| Households | $79,104 | $97,570 |
| Non Families | $34,182 | $47,890 |
Average Income
Median Household Income
Poverty Rate