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San Mar, MD
Full City Profile · Maryland · Washington County County
3.0
/5.0
B
Good
433
Population
921/sq mi density
$88,056
Median Income
$75,088 per capita
$259,600
Home Value
$397,752 Zillow
$618
Median Rent
51.0% income on rent
54°F
Avg Temperature
293 sunny days/yr
58
Violent Crime/100K
777 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$88,056 median income, 11.9% unemployment
A+
Affordability
5.0 / 5.0
$259,600 home value, $618/mo rent
F
Safety
1.0 / 5.0
58 violent crimes/100K
C
Education
2.3 / 5.0
15.9% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+71.8%
252 → 433
over 10 years
Annual Pop. Growth
+5.56%
Compound annual growth rate
Median Income Change
+56%
$56,458 → $88,056
nominal, not inflation-adjusted
Annual Income Growth
+4.55%
Compound annual growth rate
Population Over Time
Total population for San Mar across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
632
+199 from 2023 (433)
Projected Median Income 2030
$120,234
+$32,178 from 2023 ($88,056)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 252 | — | $56,458 | — |
| 2015 | 219 | -13.1% | $44,886 | -20.5% |
| 2017 | 188 | -14.2% | $45,694 | +1.8% |
| 2019 | 333 | +77.1% | $48,958 | +7.1% |
| 2021 | 318 | -4.5% | — | — |
| 2023 | 433 | +36.2% | $88,056 | — |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.