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Watertown, SD ZIP code

The ZIP code for Watertown, South Dakota is 57201. It is in Codington County.

Population in these ZIPs
26,781
Avg. median income
$72,900population-weighted
Typical home value
$321,500population-weighted
Metro area
Watertown, SD
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ZIP codes within 10 miles

Watertown, SD ZIP code list

Watertown, SD ZIP codes
ZIP codePopulationMedian incomeTypical home value
5720126,781$72,878$321,500

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

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Frequently asked questions

What is the ZIP code for Watertown, SD?

The ZIP code for Watertown, SD is 57201.

What county is Watertown, South Dakota in?

Watertown ZIP codes are in Codington County.