Big Spring is located in Shelby County, Illinois. Big Spring has a 2025 population of 607 . Big Spring is currently growing at a rate of 0.17% annually but its population has decreased by -1.14% since the most recent census, which recorded a population of 614 in 2020.
The average household income in Big Spring is $82,523 with a poverty rate of 0%. The median age in Big Spring is 53.5 years: 58.5 years for males, and 53 years for females. For every 100 females there are 77.9 males.
Data after 2023 is projected based on recent change
The racial composition of Big Spring includes 99.28% White, and smaller percentages for Asian and multiracial populations.
White (99.28%)
Asian (0.72%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 551 | 99.28% |
| Asian | 4 | 0.72% |
Married
Widowed
Divorced
Separated
Never Married
Big Spring's average per capita income is $77,880. Household income levels show a median of $83,357. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,478 | - |
| Families | $93,214 | $93,432 |
| Households | $83,357 | $82,523 |
| Non Families | $40,313 | $36,942 |
Average Income
Median Household Income
Poverty Rate