All Countries
Cobb, CA
Full City Profile · California · Sonoma County County
3.5
/5.0
B+
Good
928
Population
186/sq mi density
$113,375
Median Income
$47,930 per capita
$377,000
Home Value
$307,769 Zillow
57°F
Avg Temperature
326 sunny days/yr
650
Violent Crime/100K
4,566 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$113,375 median income, 5.3% unemployment
A+
Affordability
4.8 / 5.0
$377,000 home value, /mo rent
F
Safety
1.0 / 5.0
650 violent crimes/100K (71% above avg)
B+
Education
3.8 / 5.0
34.4% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-36.2%
1,454 → 928
over 10 years
Annual Pop. Growth
-4.39%
Compound annual growth rate
Median Income Change
+60%
$70,847 → $113,375
nominal, not inflation-adjusted
Annual Income Growth
+4.81%
Compound annual growth rate
Population Over Time
Total population for Cobb 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
678
-250 from 2023 (928)
Projected Median Income 2030
$157,520
+$44,145 from 2023 ($113,375)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 1,454 | — | $70,847 | — |
| 2015 | 1,016 | -30.1% | $80,545 | +13.7% |
| 2017 | 984 | -3.1% | $83,030 | +3.1% |
| 2019 | 1,011 | +2.7% | $78,833 | -5.1% |
| 2021 | 646 | -36.1% | $100,739 | +27.8% |
| 2023 | 928 | +43.7% | $113,375 | +12.5% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.