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Walnut, CA
Full City Profile · California · Orange County County
3.4
/5.0
B
Good
27,857
Population
3,099/sq mi density
$133,762
Median Income
$51,555 per capita
$972,500
Home Value
$1,179,100 Zillow
$3,120
Median Rent
34.5% income on rent
65°F
Avg Temperature
330 sunny days/yr
126
Violent Crime/100K
1,282 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$133,762 median income, 2.1% unemployment
C+
Affordability
2.6 / 5.0
$972,500 home value, $3,120/mo rent
F
Safety
1.0 / 5.0
126 violent crimes/100K
A+
Education
5.0 / 5.0
55.3% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-9%
29,968 → 27,284
over 10 years
Annual Pop. Growth
-0.93%
Compound annual growth rate
Median Income Change
+32.1%
$101,250 → $133,762
nominal, not inflation-adjusted
Annual Income Growth
+2.82%
Compound annual growth rate
Population Over Time
Total population for Walnut 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
25,557
-1,727 from 2023 (27,284)
Projected Median Income 2030
$162,508
+$28,746 from 2023 ($133,762)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 29,968 | — | $101,250 | — |
| 2015 | 30,042 | +0.2% | $100,184 | -1.1% |
| 2017 | 29,968 | -0.2% | $98,329 | -1.9% |
| 2019 | 29,623 | -1.2% | $108,669 | +10.5% |
| 2021 | 27,830 | -6.1% | $121,882 | +12.2% |
| 2023 | 27,284 | -2% | $133,762 | +9.7% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.