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Rancho Cucamonga city, CA
ZIP 91730 — Economy & Jobs
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Middle ClassLarge CommunityLow Snow Area
Income, employment, industries, and economic trends
Income & Economy in Rancho Cucamonga city, CA (91730)
Median Income
$89,654
*Adjusted for inflation (2023 dollars)
IRS Net Migration
+3,528
Wealth inflow
Population
71,692
Unemployment
5.7%
2.0pp above US avg
IRS migration statistics show a net inflow of about 3,528 for ZIP 91730 (Rancho Cucamonga city, CA) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.
Historical Trends in 91730 (2020–Present)
Since 2020, population declined 4.2%, median income rose 1.6% (inflation-adjusted), home values increased 18.3%.
Economy & Jobs key statistics
| Income & Jobs | |
|---|---|
| Median household income | $89,654 |
| Unemployment | 5.7% |
| Establishments | 3,311 |
| Employees | 51,205 |