Montgomery County's 2026 population is estimated at 38,757, reflecting a 0.16% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Montgomery County is the 39th largest county in Indiana. The 2010 population was 38,096 and has grown 1.74% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.4 years
Female: 42.3 years
Male: 39 years
There are 29,503 adults, (7,222 of whom are seniors) in Montgomery County.
Female: 18,862 (49.2%)
Male: 19,450 (50.8%)
The racial composition of Montgomery County includes 90.37% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 34,624 | 90.37% |
| Two or more races | 2,299 | 6% |
| Other race | 767 | 2% |
| Black or African American | 372 | 0.97% |
| Asian | 209 | 0.55% |
| Native American | 40 | 0.1% |
| Native Hawaiian or Pacific Islander | 1 | 0% |
Montgomery County 's average per capita income is $48,344. Household income levels show a median of $71,479. The poverty rate stands at 10.53%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $102,279 | - |
| Families | $91,607 | $104,682 |
| Households | $71,479 | $88,874 |
| Non Families | $38,801 | $57,995 |
Average Income
Median Household Income
Poverty Rate