Castaic, CA
Full City Profile · California · Los Angeles County County
4.2
/5.0
A
Great
18,479
Population
2,545/sq mi density
$132,153
Median Income
$50,338 per capita
$710,400
Home Value
$793,220 Zillow
$1,751
Median Rent
46.4% income on rent
66°F
Avg Temperature
A
Overall
4.2 / 5.0
Strong
A+
Economy
4.5 / 5.0
$132,153 median income, 5.1% unemployment
B+
Affordability
3.6 / 5.0
$710,400 home value, $1,751/mo rent
A
Education
4.3 / 5.0
41.4% bachelor's degree or higher
Change Over Time (2013, 2023)
Population Change
+0.3%
18,415 → 18,479
over 10 years
Annual Pop. Growth
+0.03%
Compound annual growth rate
Median Income Change
+27.3%
$103,811 → $132,153
nominal, not inflation-adjusted
Annual Income Growth
+2.44%
Compound annual growth rate
Population Over Time
Total population for Castaic 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
18,518
+39 from 2023 (18,479)
Projected Median Income 2030
$156,446
+$24,293 from 2023 ($132,153)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 18,415 | - | $103,811 | - |
| 2015 | 19,369 | +5.2% | $104,427 | +0.6% |
| 2017 | 19,299 | -0.4% | $109,717 | +5.1% |
| 2019 | 19,400 | +0.5% | $117,031 | +6.7% |
| 2021 | 18,017 | -7.1% | $127,344 | +8.8% |
| 2023 | 18,479 | +2.6% | $132,153 | +3.8% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.