Big Arm CDP, Montana
Official LSAD Designation: Big Arm CDP • Census GEOID: 3005800
• Lake County
Demographics & Population Profile
Population and demographics for Big Arm CDP.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population | 190 | ±146 | 2020-2024 | Census ACS 5-Year 2024 |
| Median Age | 29.9 yrs | ±9.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 55 | ±49 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).