Greenfield, South Dakota

Greenfield: Township in Brown County, South Dakota

About

Greenfield is a township located in the county of Clay in the U.S. state of South Dakota. Its population at the 2010 census was 40. After 10 years in 2020 city had an estimated population of 41 inhabitants.

Quick Facts about Greenfield

Population : 41 (2020)
Country : United States of America
State : South Dakota (United States)
County : Clay County
Time Zone : America/Chicago
Local time : 03:00:01 (8th June 2025)
Population growth : 2.44% (2010-2020)

Geography

Greenfield is located at 42°52'50"N 96°50'44"W (42.8805500, -96.8456000).

Greenfield map

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Demographics

The population of Greenfield increased by 2.44% in 10 years.

Year Population % Change Method
2010 40 - census
2011 40 0% estimation process
2012 40 0% estimation process
2013 42 4.76% estimation process
2014 41 -2.44% estimation process
2015 41 0% estimation process
2016 41 0% estimation process
2017 42 2.38% estimation process
2018 41 -2.44% estimation process
2019 41 0% estimation process
2020 41 0% estimation process

Schools in Greenfield

College & universities near Greenfield, SD

Code Name City ZIP
219471 University of South Dakota Vermillion (SD) 57069-2390
219198 Mount Marty College Yankton (SD) 57078-3724
219338 Avera Sacred Heart Hospital Yankton (SD) 57078-3899
152992 Briar Cliff University Sioux City (IA) 51104

Post Office

Post offices near Greenfield

Post Office Name City ZIP
Vermillion Post Office Vermillion (SD) 57069

Other cities in Clay County

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

City Name Population Title
Wakonda 296 Town in Clay County, South Dakota, United States
Meckling 235 Township in Clay County, South Dakota
Vermillion 86 County seat of Clay County, South Dakota, United States
Lodi 80 Township in Spink County, South Dakota