A. A. A. Unlike osteoarthritis, a condition caused by wear and tear on joints, rheumatoid arthritis happens when your immune system targets your joint linings. Itâs a long-term condition that also affects other tissue, but the joints are usually the most severely affected.
Homefacts City Report. Greenfield is located in Milwaukee County, WI. The population is 36,892, making Greenfield the 4th largest city in Milwaukee County. There are 0 public schools in Greenfield with an average Homefacts rating of NA. The total crime rate for Greenfield is low, and there are 0 registered sex offenders residing in the city.
Popular Searches. There are currently 200 homes for sale in Greenfield at a median listing price of $157,793. Greenfield is a minimally walkable city in Hancock County with a Walk Score of 28. Greenfield is home to approximately 20,398 people and 11,268 jobs.