Montgomery County's estimated 2026 population is 27,333 with a growth rate of -0.51% in the past year according to the most recent United States census data. Montgomery County is the 49th largest county in Illinois. The 2010 population was 30,095 and has seen a growth of -9.18% since that time.
Data after 2023 is projected based on recent change
The racial composition of Montgomery County includes 93.4% White, and smaller percentages for Two or more races, Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (93.4%)
Two or more races (2.8%)
Black or African American (2.69%)
Asian (0.54%)
Other race (0.41%)
Native American (0.13%)
Native Hawaiian or Pacific Islander (0.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 26,225 | 93.4% |
| Two or more races | 785 | 2.8% |
| Black or African American | 756 | 2.69% |
| Asian | 153 | 0.54% |
| Other race | 116 | 0.41% |
| Native American | 37 | 0.13% |
| Native Hawaiian or Pacific Islander | 6 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Montgomery County's average per capita income is $43,855. Household income levels show a median of $61,863. The poverty rate stands at 13.78%.
Name | Median | Mean |
|---|---|---|
| Married Families | $96,261 | - |
| Families | $86,565 | $101,698 |
| Households | $61,863 | $80,654 |
| Non Families | $30,589 | $45,364 |
Average Income
Median Household Income
Poverty Rate
