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Lake Forest, California: population and official figures

Population (1 July)
86,333
2025

In depth

What is the population of Lake Forest, California?

Lake Forest, California, had an estimated 86,333 residents on 1 July 2025, the 422nd largest of the 824 US cities and towns with 50,000 or more people, and the 96th largest of 483 incorporated places in California (Census Bureau Vintage 2025 estimates).

Source: U.S. Census Bureau · saved copy

Is the population of Lake Forest growing?

Its population is up 462 (0.5%) on the April 2020 estimates base of 85,871, 312th slowest-growing of 824 US cities of 50,000 or more.

Source: U.S. Census Bureau · saved copy

How fast is Lake Forest, California growing?

In the year to 1 July 2025 its population fell by 259 (0.30%), from 86,592 in July 2024.

Source: U.S. Census Bureau · saved copy

When does the fiscal year of Lake Forest end?

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

Source: U.S. Census Bureau · saved copy

More figures

Who runs Lake Forest?

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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