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ZIP code 57544: Kennebec, SD

57544 is a ZIP code in Kennebec, South Dakota, mainly in Lyman County. About 421 people live here.

Population
421
Median household income
$78,750
Typical home value
$141,700ACS median value
Median rent
$675gross, per month
Median age
40.1
Homeowners
79.2%of occupied homes
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Shaded: ZIP code 57544's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 57544 details

CityKennebec
StateSouth Dakota
CountyLyman County (also partly Tripp County)
Metro areaNot in a metro or micro area
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area252.2 sq mi, plus 2.2 sq mi of water
Population density2 people per sq mi
Bachelor's degree or higher31% of adults 25+
Average commute8.8 minutes
Center coordinates43.88345, -99.84399

ZIP codes near 57544

ZIP codeCityDistancePopulation
57568Presho, SD12.6 mi540
57569Reliance, SD14.5 mi497
57541Ideal, SD20.0 mi163
57365Oacoma, SD21.9 mi599
57576Vivian, SD22.4 mi205
57548Lower Brule, SD23.4 mi1,442
57534Hamill, SD24.2 mi130
57339Fort Thompson, SD25.3 mi1,390

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

Buying a home in 57544?

A typical home in ZIP code 57544 is worth about $141,700 (ACS median value). The median household here earns $78,750 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.

Monthly payment for a $141,700 homeWhat can a $78,750 income afford?Rental property numbers

About ZIP code 57544

What city is ZIP code 57544?

ZIP code 57544 is in Kennebec, SD, in Lyman County.

What county is ZIP code 57544 in?

57544 is mainly in Lyman County, South Dakota, and partly in Tripp County.

What is the population of ZIP code 57544?

About 421 people live in ZIP code 57544, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 57544 in?

57544 is in Central Time (UTC−6). It observes daylight saving time.