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Union City, CA
Full City Profile · California · San Mateo County County
3.2
/5.0
B
Good
68,141
Population
3,512/sq mi density
$137,194
Median Income
$56,020 per capita
$1,058,200
Home Value
$1,247,205 Zillow
$2,713
Median Rent
27.8% income on rent
60°F
Avg Temperature
330 sunny days/yr
368
Violent Crime/100K
2,285 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$137,194 median income, 3.3% unemployment
C
Affordability
2.3 / 5.0
$1,058,200 home value, $2,713/mo rent
F
Safety
1.0 / 5.0
368 violent crimes/100K
A+
Education
4.6 / 5.0
45.3% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-8.8%
72,617 → 66,212
over 10 years
Annual Pop. Growth
-0.92%
Compound annual growth rate
Median Income Change
+67.1%
$82,083 → $137,194
nominal, not inflation-adjusted
Annual Income Growth
+5.27%
Compound annual growth rate
Population Over Time
Total population for Union City 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
62,064
-4,148 from 2023 (66,212)
Projected Median Income 2030
$196,547
+$59,353 from 2023 ($137,194)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 72,617 | — | $82,083 | — |
| 2015 | 74,641 | +2.8% | $85,521 | +4.2% |
| 2017 | 75,129 | +0.7% | $95,625 | +11.8% |
| 2019 | 75,324 | +0.3% | $114,681 | +19.9% |
| 2021 | 68,681 | -8.8% | $127,828 | +11.5% |
| 2023 | 66,212 | -3.6% | $137,194 | +7.3% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.