All Countries
San Marcos, CA
Full City Profile · California · Orange County County
3.1
/5.0
B
Good
94,078
Population
3,829/sq mi density
$105,286
Median Income
$44,376 per capita
$792,400
Home Value
$943,389 Zillow
$2,191
Median Rent
36.0% income on rent
60°F
Avg Temperature
325 sunny days/yr
196
Violent Crime/100K
969 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$105,286 median income, 2.9% unemployment
C
Affordability
2.4 / 5.0
$792,400 home value, $2,191/mo rent
F
Safety
1.0 / 5.0
196 violent crimes/100K
A
Education
4.4 / 5.0
42.7% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+6.4%
89,487 → 95,195
over 10 years
Annual Pop. Growth
+0.62%
Compound annual growth rate
Median Income Change
+96.2%
$53,657 → $105,286
nominal, not inflation-adjusted
Annual Income Growth
+6.97%
Compound annual growth rate
Population Over Time
Total population for San Marcos 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
99,404
+4,209 from 2023 (95,195)
Projected Median Income 2030
$168,735
+$63,449 from 2023 ($105,286)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 89,487 | — | $53,657 | — |
| 2015 | 93,662 | +4.7% | $57,822 | +7.8% |
| 2017 | 95,157 | +1.6% | $70,417 | +21.8% |
| 2019 | 97,390 | +2.3% | $78,797 | +11.9% |
| 2021 | 94,926 | -2.5% | $90,620 | +15% |
| 2023 | 95,195 | +0.3% | $105,286 | +16.2% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.