Village in Frederick County, Maryland · 0.6 sq mi · 464 people per sq mi
258 people live in Rosemont. The typical household earns $106,250, and the median resident is 56 years old.
2026 projection
From 272 in 2020
Poverty rate 9.35%
Men 47 · Women 60.6
2010–2026
258
2026 projection
5.1% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
258
2026 projection
5.1% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 258 | 0 | 0.00% |
|---|---|---|---|
| 2025 | 258 | 0 | 0.00% |
| 2024 | 258 | +1 | 0.39% |
| 2023 | 257 | -1 | 0.39% |
| 2022 | 258 | +1 | 0.39% |
| 2021 | 257 | -15 | 5.51% |
| 2020 | 272 | -1 | 0.37% |
| 2019 | 273 | +4 | 1.49% |
| 2018 | 269 | -1 | 0.37% |
| 2017 | 270 | 0 | 0.00% |
Showing 10 of 17 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Rosemont is growing slower than Frederick County, Maryland, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 3 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 11 residents
51% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 51% | 50% | 53% |
| Never married | 28% | 34% | 20% |
| Divorced | 16% | 12% | 21% |
| Widowed | 4% | 3% | 4% |
| Separated | 1% | <1% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources