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.
4.8%. According to our research of Wisconsin and other state lists there were 27 registered sex offenders living in Greenfield, Wisconsin as of February 13, 2017. The ratio of number of residents in Greenfield to the number of sex offenders is 64 to 1. Nearest city with pop. 50,000+: West Allis, WI (3.3 miles , pop. 61,254).