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Rocklin, California: population and official figures

Population (1 July)
76,821
2025

In depth

What is the population of Rocklin, California?

Rocklin, California, had an estimated 76,821 residents on 1 July 2025, the 499th largest of the 824 US cities and towns with 50,000 or more people, and the 115th largest of 483 incorporated places in California (Census Bureau Vintage 2025 estimates).

Source: U.S. Census Bureau · saved copy

Is the population of Rocklin growing?

Its population is up 5,212 (7.3%) on the April 2020 estimates base of 71,609, 157th fastest-growing of 824 US cities of 50,000 or more.

Source: U.S. Census Bureau · saved copy

How fast is Rocklin, California growing?

In the year to 1 July 2025 its population rose by 1,387 (1.84%), from 75,434 in July 2024.

Source: U.S. Census Bureau · saved copy

When does the fiscal year of Rocklin end?

The Census Bureau lists Rocklin's government in its 2022 finance survey as "Rocklin City", with a fiscal year that ends on 30 June.

Source: U.S. Census Bureau · saved copy

More figures

Who runs Rocklin?

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

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

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