CDP in Washington County, Maryland · 1.4 sq mi · 415 people per sq mi
About 590 people live in Mount Aetna. The typical household earns $145,662, and the median resident is 48.5 years old.
2026 projection
From 599 in 2020
Poverty rate 3.79%
Men 48 · Women 51.5
2011–2026
586
2026 projection
2.2% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2011–2026
586
2026 projection
2.2% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 586 | +2 | 0.34% |
|---|---|---|---|
| 2025 | 584 | +3 | 0.26% |
| 2023 | 581 | +137 | 30.86% |
| 2022 | 444 | -135 | 23.32% |
| 2021 | 579 | -20 | 3.34% |
| 2020 | 599 | -90 | 13.06% |
| 2019 | 689 | +14 | 2.07% |
| 2018 | 675 | -13 | 1.89% |
| 2017 | 688 | -11 | 1.57% |
| 2016 | 699 | +49 | 7.54% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 6 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 26 residents
64% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 64% | 69% | 60% |
| Never married | 24% | 26% | 22% |
| Divorced | 6% | 2% | 9% |
| Widowed | 5% | 0% | 10% |
| Separated | 2% | 3% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau