Ipswich, SD ZIP Codes

One ZIP code serves Ipswich, South Dakota: 57451. Together they are home to 2,485 residents in 940 households. That is more than the 1,048 people counted inside Ipswich city limits, because these ZIP codes reach past its boundary.

Ipswich city limits (Census)

MeasureCensus figure
Residents1,048
Households402
Median household income$74,167
Median home value$164,700
Median age34.9
Median rent$1,053

All 1 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)2,485
Households (sum of ZIP codes)940
Median household income, range across ZIP codes$86,000 (57451) to $86,000 (57451)
Household-weighted average of ZIP medians (an approximation, not a true median)$86,000
Homeowners79.0%
Households with kids under 1828.0%
Moved in the past year18.6%
Carrier routes in EDDM2GO's route librarynot loaded yet

Every ZIP code in Ipswich

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
57451Ipswich2,485940$86,000$195,70079.0%28.0%18.6%——0% of its land; mailing city

A ZIP code is listed for Ipswich when at least 10% of its land lies inside Ipswich city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ipswich. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Ipswich.

Counties

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EDDM guides

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Frequently asked questions

What ZIP codes are in Ipswich, SD?
57451. A ZIP code is listed for Ipswich when at least 10% of its land lies inside Ipswich city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ipswich.
What is the population of Ipswich, SD?
The Census Bureau counts 1,048 residents inside Ipswich city limits (ACS 2020–2024). The 1 ZIP code that serve Ipswich hold 2,485 residents in all.
What is the median household income in Ipswich, SD?
$74,167 inside Ipswich city limits, per the Census Bureau. Across its ZIP codes the medians run from $86,000 to $86,000.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.