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
Latitude & Longitude 42.8806,-96.8456
Time Zone America/Chicago
Local time 03:56:39 (19th April 2026)
Population growth 2.44% (2010-2020)
Weather 61℉ Mostly Sunny 7-days weather

Geography

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

Greenfield map

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Weather

61°F
Mostly Sunny
5 to 10 mph NW Sunday

Mostly sunny, with a high near 61. Northwest wind 5 to 10 mph.

7-Day Forecast

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

Nearby Schools and Colleges

Schools and campuses linked to Greenfield, SD. Select a name to open its map and contact details.

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

Closest post offices linked to Greenfield.

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

Other places with the same name (16)

  • Greenfield, California city in Monterey County, California, United States with a population of 17,644 people.
  • Greenfield, Massachusetts city in Massachusetts, United States; county seat of Franklin County with a population of 17,241 people.
  • Greenfield, California city in Monterey County, California, United States with a population of 17,184 people.
  • Greenfield, New York town in Saratoga County, New York, United States with a population of 7,689 people.
  • Greenfield, Tennessee city in Weakley County, Tennessee, United States with a population of 2,071 people.
  • Greenfield, Pennsylvania township in Erie County, Pennsylvania with a population of 2,007 people.
  • Greenfield, New Hampshire town in Hillsborough County, New Hampshire, United States with a population of 1,845 people.
  • Greenfield, Iowa city in Iowa, United States; county seat of Adair County with a population of 1,812 people.
  • Greenfield, Ohio large village in Highland and Ross counties, Ohio, United States with a population of 1,420 people.
  • Greenfield, Minnesota city in Hennepin County, Minnesota, United States with a population of 1,339 people.
  • Greenfield, Missouri city in Dade County, Missouri, United States with a population of 1,315 people.
  • Greenfield, Wisconsin city in Massachusetts, United States; county seat of Franklin County with a population of 1,000 people.
  • Greenfield, Illinois city in Greene County, Illinois, United State with a population of 965 people.
  • Greenfield, Indiana city in Indiana, United States; county seat of Hancock County with a population of 731 people.
  • Greenfield, Oklahoma town in Blaine County, Oklahoma, United States with a population of 92 people.
  • Greenfield, North Dakota unincorporated community in North Dakota with a population of 67 people.

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