Monroe is located in Ogle County, Illinois. Monroe has a 2025 population of 1,424 . Monroe is currently declining at a rate of -0.28% annually and its population has decreased by -1.32% since the most recent census, which recorded a population of 1,443 in 2020.
The average household income in Monroe is $113,248 with a poverty rate of 0.88%. The median age in Monroe is 40.7 years: 32.8 years for males, and 51.6 years for females. For every 100 females there are 89.9 males.
Data after 2023 is projected based on recent change
The racial composition of Monroe includes 90.34% White, and smaller percentages for other race and multiracial populations.
White (90.34%)
Two or more races (9.29%)
Other race (0.37%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,225 | 90.34% |
| Two or more races | 126 | 9.29% |
| Other race | 5 | 0.37% |
Married
Widowed
Divorced
Separated
Never Married
Monroe's average per capita income is $53,157. Household income levels show a median of $88,672. The poverty rate stands at 0.88%.
Name | Median | Mean |
|---|---|---|
| Non Families | $89,286 | $76,632 |
| Households | $88,672 | $113,248 |
| Married Families | $87,321 | - |
| Families | $86,406 | $118,561 |
Average Income
Median Household Income
Poverty Rate