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ZIP code 57473: Seneca, SD

57473 is a ZIP code in Seneca, South Dakota, mainly in Faulk County. About 246 people live here.

Population
246
Median household income
$23,750
Typical home value
$177,600ACS median value
Median rent
—gross, per month
Median age
45.1
Homeowners
95.6%of occupied homes
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Shaded: ZIP code 57473's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 57473 details

CitySeneca
StateSouth Dakota
CountyFaulk County (also partly Potter County)
Metro areaNot in a metro or micro area
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area185.3 sq mi, plus 3.4 sq mi of water
Population density1 people per sq mi
Bachelor's degree or higher18% of adults 25+
Center coordinates44.99145, -99.47101

ZIP codes near 57473

ZIP codeCityDistancePopulation
57455Lebanon, SD10.4 mi137
57466Onaka, SD14.2 mi192
57438Faulkton, SD16.3 mi973
57475Tolstoy, SD17.7 mi99
57467Orient, SD17.8 mi410
57450Hoven, SD23.0 mi624
57345Highmore, SD28.6 mi941
57470Rockham, SD29.2 mi242

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 57473?

A typical home in ZIP code 57473 is worth about $177,600 (ACS median value). The median household here earns $23,750 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.

Monthly payment for a $177,600 homeWhat can a $23,750 income afford?Rental property numbers

About ZIP code 57473

What city is ZIP code 57473?

ZIP code 57473 is in Seneca, SD, in Faulk County.

What county is ZIP code 57473 in?

57473 is mainly in Faulk County, South Dakota, and partly in Potter County.

What is the population of ZIP code 57473?

About 246 people live in ZIP code 57473, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 57473 in?

57473 is in Central Time (UTC−6). It observes daylight saving time.