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Oak Lawn, Illinois: population and official figures

Population (1 July)
56,450
2025

In depth

What is the population of Oak Lawn, Illinois?

Oak Lawn, Illinois, had an estimated 56,450 residents on 1 July 2025, the 733rd largest of the 824 US cities and towns with 50,000 or more people, and the 22nd largest of 1294 incorporated places in Illinois (Census Bureau Vintage 2025 estimates).

Source: U.S. Census Bureau · saved copy

Is the population of Oak Lawn growing?

Its population is down 1,891 (3.2%) on the April 2020 estimates base of 58,341, 67th slowest-growing of 824 US cities of 50,000 or more.

Source: U.S. Census Bureau · saved copy

How fast is Oak Lawn, Illinois growing?

In the year to 1 July 2025 its population fell by 102 (0.18%), from 56,552 in July 2024.

Source: U.S. Census Bureau · saved copy

When does the fiscal year of Oak Lawn end?

The Census Bureau lists Oak Lawn's government in its 2024 finance survey as "Oak Lawn Village", with a fiscal year that ends on 31 December.

Source: U.S. Census Bureau · saved copy

More figures

Who runs Oak Lawn?

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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