Selby, South Dakota

Selby: City in and county seat of Walworth County, South Dakota, United States

About

Selby is a city located in the county of Walworth in the U.S. state of South Dakota. Its population at the 2010 census was 642 and a population density of 348 people per km². After 10 years in 2020 city had an estimated population of 612 inhabitants.

Selby locator map
Location of Selby on South Dakota map.

Quick Facts about Selby

Population : 612 (2020)
Country : United States of America
State : South Dakota (United States)
County : Walworth County
Postal code : 57472
Phone Area Codes : 605
Area : 1.84 km2
Altitude : 1,903 feet / 580 meters
Capital city : Selby is capital of Walworth County
Time Zone : America/Chicago
Local time : 01:18:30 (5th December 2025)
Density : 332 Pop. per km² as of 2020
Population growth : -4.9% (2010-2020)
Walworth County Court House '1911' Selby South Dakota '29360818481' image
Walworth County Court House '1911' Selby South Dakota '29360818481'
Walworth County Court House '1911' Selby South Dakota '29360818481' image
Walworth County Court House '1911' Selby South Dakota '29360818481' image

Geography

Selby is located at 45°30'23"N 100°1'55"W (45.5063800, -100.0320700).

Selby map

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Demographics

According to census records, the population of Selby decreased by 4.9% in 10 years.

Year Population % Change Method
2010 642 - census
2011 651 1.38% estimation process
2012 639 -1.88% estimation process
2013 642 0.47% estimation process
2014 642 0% estimation process
2015 629 -2.07% estimation process
2016 632 0.47% estimation process
2017 634 0.32% estimation process
2018 635 0.16% estimation process
2019 627 -1.28% estimation process
2020 612 -2.45% estimation process

Selby zip code is 57472. County name: Walworth, County fips: 46129

People born in Selby (1)

United States federal judge and Governor of South Dakota (1903-1965) George T. Mickelson was born in Selby

Post Office

Post offices near Selby

Post Office Name City ZIP
Selby Post Office Selby (SD) 57472

Other cities in Walworth County

Cities, towns, neighborhoods & other populated places in Walworth County , SD.

City Name Population Title
Mobridge 3,373 City in South Dakota, United States of America
Java 125 Human settlement in Walworth County, South Dakota, United States of America
Glenham 103 Town in South Dakota, United States of America
Akaska 47 Town in South Dakota, United States of America