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Tinley Park, Illinois: population and official figures

Population (1 July)
55,140
2025

In depth

What is the population of Tinley Park, Illinois?

Tinley Park, Illinois, had an estimated 55,140 residents on 1 July 2025, the 749th largest of the 824 US cities and towns with 50,000 or more people, and the 24th largest of 1294 incorporated places in Illinois (Census Bureau Vintage 2025 estimates).

Source: U.S. Census Bureau · saved copy

Is the population of Tinley Park growing?

Its population is down 874 (1.6%) on the April 2020 estimates base of 56,014, 169th slowest-growing of 824 US cities of 50,000 or more.

Source: U.S. Census Bureau · saved copy

How fast is Tinley Park, Illinois growing?

In the year to 1 July 2025 its population rose by 280 (0.51%), from 54,860 in July 2024.

Source: U.S. Census Bureau · saved copy

When does the fiscal year of Tinley Park end?

The Census Bureau lists Tinley Park's government in its 2024 finance survey as "Tinley Park Village", with a fiscal year that ends on 30 April.

Source: U.S. Census Bureau · saved copy

More figures

Who runs Tinley Park?

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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