Greenfield is a city located in the U.S. state of Minnesota. It is within Hennepin County included in the Twin Cities Metropolitan Statistical Area. It has a total area of 21.55 square miles at 45°5′52″N 93°41′5″W. The elevation is 1,001 feet above sea level. As of the 2010 census data, it had a total population of 2,777. The population density was 130/sq mi. Estimated per capita income in 2016 was $56,353. Recent job growth is positively increased by 1.24 percent. The average travel time is 20 minutes. It has Zip code 55357.