County Fair Guide

Brown County Fair

Aberdeen, South Dakota

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2026 Dates

August 10–16, 2026

Duration

7 days

👥

Size

large

🕰

Founded

Since 1921

What Sets It Apart

Aberdeen's Brown County Fair drew an estimated 279,451 visitors in 2017, up from 265,819 the year before, according to Aberdeen News. Since the fair is free to attend, the county calculates attendance using a traffic-count formula rather than ticket sales. Running since 1921, it's one of the state's largest county fairs.

Source: Aberdeen News

Planning Your Visit

Aberdeen is South Dakota's third-largest city and the L. Frank Baum (Wizard of Oz author) connection — the Aberdeen area claims Baum's inspiration for Dorothy's Kansas.

A Closer Look

Held annually in Aberdeen, the Brown County Fair is a seven-day mid-August celebration in the Hub City of the James River valley, drawing families from northeastern South Dakota for one of the state's largest county fairs. Since its 1921 founding, it's endured as a century-plus South Dakota agricultural tradition.

Fair Highlights

Typical offerings include livestock shows, 4-H and FFA competitions, carnival rides, grandstand entertainment, and the agricultural community spirit of the James River's most important city.

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