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Casper, Wyoming: population and official figures

Population (1 July)
58,771
2025

In depth

What is the population of Casper, Wyoming?

Casper, Wyoming, had an estimated 58,771 residents on 1 July 2025, the 697th largest of the 824 US cities and towns with 50,000 or more people, and the 2nd largest of 99 incorporated places in Wyoming (Census Bureau Vintage 2025 estimates).

Source: U.S. Census Bureau · saved copy

Is the population of Casper growing?

Its population is down 329 (0.6%) on the April 2020 estimates base of 59,100, 234th slowest-growing of 824 US cities of 50,000 or more.

Source: U.S. Census Bureau · saved copy

How fast is Casper, Wyoming growing?

In the year to 1 July 2025 its population rose by 42 (0.07%), from 58,729 in July 2024.

Source: U.S. Census Bureau · saved copy

When does the fiscal year of Casper end?

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

Source: U.S. Census Bureau · saved copy

More figures

Who runs Casper?

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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