Montgomery County's estimated 2026 population is 28,315 with a growth rate of 0.85% in the past year according to the most recent United States census data. Montgomery County is the 48th largest county in Illinois. The 2010 population was 30,095 and has seen a growth of -5.91% since that time.
Data after 2023 is projected based on recent change
Overall: 42.8 years
Female: 46 years
Male: 40.8 years
There are 22,321 adults, (6,007 of whom are seniors) in Montgomery County.
Female: 13,112 (46.9%)
Male: 14,830 (53.1%)
The racial composition of Montgomery County includes 92.73% White, 3.31% Black or African American, and smaller percentages for Two or more races, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 25,911 | 92.73% |
| Black or African American | 926 | 3.31% |
| Two or more races | 804 | 2.88% |
| Other race | 156 | 0.56% |
| Asian | 110 | 0.39% |
| Native American | 31 | 0.11% |
| Native Hawaiian or Pacific Islander | 4 | 0.01% |
Montgomery County's average per capita income is $45,598. Household income levels show a median of $63,620. The poverty rate stands at 12.6%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,842 | - |
| Families | $88,786 | $103,271 |
| Households | $63,620 | $81,686 |
| Non Families | $33,331 | $45,906 |
Average Income
Median Household Income
Poverty Rate
