Montgomery County's estimated 2026 population is 1,076,119 with a growth rate of 0.14% in the past year according to the most recent United States census data. Montgomery County is the largest county in Maryland. The 2010 population was 975,619 and has seen a growth of 10.3% since that time.
Data after 2023 is projected based on recent change
Overall: 40.2 years
Female: 41.5 years
Male: 38.9 years
There are 822,810 adults, (181,139 of whom are seniors) in Montgomery County.
Female: 546,559 (51.3%)
Male: 519,390 (48.7%)
The racial composition of Montgomery County includes 42.06% White, 18.6% Black or African American, 15.39% Asian, 11.85% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 448,341 | 42.06% |
| Black or African American | 198,264 | 18.6% |
| Asian | 164,064 | 15.39% |
| Other race | 126,329 | 11.85% |
| Two or more races | 122,326 | 11.48% |
| Native American | 6,190 | 0.58% |
| Native Hawaiian or Pacific Islander | 435 | 0.04% |
Montgomery County's average per capita income is $75,206. Household income levels show a median of $132,450. The poverty rate stands at 7.45%.
Name | Median | Mean |
|---|---|---|
| Married Families | $191,240 | $244,283 |
| Families | $164,096 | $213,661 |
| Households | $132,450 | $181,376 |
| Non Families | $79,939 | $104,223 |
Average Income
Median Household Income
Poverty Rate
