* No Global Census: There isn't a global count of all kangaroo rat species.
* Multiple Species: There are many different types of kangaroo rats (about 23 species). Their populations vary greatly depending on location, habitat, and other factors.
* Conservation Status: Some species are listed as endangered or threatened, while others are more common.
To get more specific information, you would need to:
1. Specify the kangaroo rat species: Which species are you interested in?
2. Specify the geographic area: Are you interested in the population in a particular state, country, or region?
Once you provide these details, I can help you find more specific information on the kangaroo rat population you're interested in.