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Smithwick, SD ZIP code

The ZIP code for Smithwick, South Dakota is 57782. It is in Fall River County.

Population in these ZIPs
58
Avg. median income
$65,500population-weighted
Typical home value
$270,500population-weighted
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ZIP codes within 10 miles

Smithwick, SD ZIP code list

Smithwick, SD ZIP codes
ZIP codePopulationMedian incomeTypical home value
5778258$65,500$270,500

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Smithwick

Frequently asked questions

What is the ZIP code for Smithwick, SD?

The ZIP code for Smithwick, SD is 57782.

What county is Smithwick, South Dakota in?

Smithwick ZIP codes are in Fall River County.