La Prairie is located in Adams County, Illinois. La Prairie has a 2025 population of 338 . La Prairie is currently declining at a rate of -0.88% annually and its population has decreased by -2.03% since the most recent census, which recorded a population of 345 in 2020.
The average household income in La Prairie is $111,450 with a poverty rate of 0.86%. The median age in La Prairie is 58.5 years: 59.3 years for males, and 58.1 years for females. For every 100 females there are 140.2 males.
Data after 2023 is projected based on recent change
The racial composition of La Prairie includes 97.85% White, and smaller percentages for Two or more races and multiracial populations.
White (97.85%)
Two or more races (2.15%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 228 | 97.85% |
| Two or more races | 5 | 2.15% |
Married
Widowed
Divorced
Separated
Never Married
La Prairie's average per capita income is $58,542. Household income levels show a median of $108,188. The poverty rate stands at 0.86%.
Name | Median | Mean |
|---|---|---|
| Married Families | $109,688 | - |
| Families | $109,625 | $133,228 |
| Households | $108,188 | $111,450 |
| Non Families | $24,659 | $30,022 |
Average Income
Median Household Income
Poverty Rate