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Delmont, SD ZIP code

The ZIP code for Delmont, South Dakota is 57330. It is in Douglas County.

Population in these ZIPs
594
Avg. median income
$71,600population-weighted
Typical home value
$143,800population-weighted
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ZIP codes within 10 miles

Delmont, SD ZIP code list

Delmont, SD ZIP codes
ZIP codePopulationMedian incomeTypical home value
57330594$71,563$143,800

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 Delmont

Frequently asked questions

What is the ZIP code for Delmont, SD?

The ZIP code for Delmont, SD is 57330.

What county is Delmont, South Dakota in?

Delmont ZIP codes are in Douglas County.