In the United States, there are over 2.9M nurses with an average mean wage of $75,510 and hourly of $36.30 as of 2018 according to the US Labor Statistics but salaries exceed >$100,000 for many nurses depending on geography of employment. This number may be either a gross overestimation or underestimation depending on your individual organization/workplace.
The spread of nurse salaries can be wide per this table:

The employment of nurses varies state by state as illustrated by this map and table. States with the highest number of nurses employed are California, Texas, New York, Florida, and Pennsylvania.



Top paying states are: California, Hawaii, District of Columbia, Massachusetts, and Oregon as illustrated by this table below.



Source: BLS.GOV – https://www.bls.gov/oes/2018/may/oes291141.htm