St. Jacob is located in Madison County, Illinois. St. Jacob has a 2025 population of 2,869. St. Jacob is currently declining at a rate of -0.1% annually and its population has decreased by -0.8% since the most recent census, which recorded a population of 2,892 in 2020.
The average household income in St. Jacob is $130,697 with a poverty rate of 2.05%.The median age in St. Jacob is 34.5 years: 33.8 years for males, and 35.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of St. Jacob includes 95.42% White, and smaller percentages for Two or more races, other race, Asian and multiracial populations.
White (95.4%)
Two or more races (2.3%)
Other race (2.1%)
Asian (0.2%)
Race | Population | Percentage (of total) |
---|---|---|
White | 2,751 | 95.42% |
Two or more races | 66 | 2.29% |
Other race | 60 | 2.08% |
Asian | 6 | 0.21% |
Married
Widowed
Divorced
Separated
Never Married
St. Jacob's average per capita income is $67,829. Household income levels show a median of $116,324. The poverty rate stands at 2.05%.
Name | Median | Mean |
---|---|---|
Married Families | $127,303 | - |
Families | $124,375 | $148,089 |
Households | $116,324 | $130,697 |
Non Families | $29,432 | $43,831 |
Average Income
Median Household Income
Poverty Rate