State IntegrityReceipts, not verdicts

Rancho Cucamonga, California: population and official figures

Population (1 July)
177,856
2025

In depth

What is the population of Rancho Cucamonga, California?

Rancho Cucamonga, California, had an estimated 177,856 residents on 1 July 2025, the 151st largest of the 824 US cities and towns with 50,000 or more people, and the 28th largest of 483 incorporated places in California (Census Bureau Vintage 2025 estimates).

Source: U.S. Census Bureau · saved copy

Is the population of Rancho Cucamonga growing?

Its population is up 3,239 (1.9%) on the April 2020 estimates base of 174,617, 397th fastest-growing of 824 US cities of 50,000 or more.

Source: U.S. Census Bureau · saved copy

How fast is Rancho Cucamonga, California growing?

In the year to 1 July 2025 its population rose by 854 (0.48%), from 177,002 in July 2024.

Source: U.S. Census Bureau · saved copy

When does the fiscal year of Rancho Cucamonga end?

The Census Bureau lists Rancho Cucamonga's government in its 2024 finance survey as "Rancho Cucamonga City", with a fiscal year that ends on 30 June.

Source: U.S. Census Bureau · saved copy

More figures

Who runs Rancho Cucamonga?

In the United States, cities and towns are run by municipalities: Elected council; mayor elected directly or chosen by the council; in council-manager systems the council hires a professional city manager. Police, fire, local roads, zoning, water, parks. Townships exist in fewer than half the states.

How local power works in the United States

Rancho Cucamonga is in California, which has 39,355,309 residents.

Cities of a similar size in the United States

Up a level: all cities in the United States · the United States · government and power

Sources

Each saved copy is the file exactly as downloaded, kept so the figures can be checked even if the source changes. Report an error.