Good question @Jessica Schleder! I'd like to first refer you to our Map Methodology page that defines criteria for both our No-kill Communities Map and National Save Rate Map. Click here for the Map Methodology page.
It's important to note that the methodology page was published in July. We are currently making changes in response to feedback we received and will be publishing an updated methodology page in the very near future. That said, there is a link to a feedback form on the no-kill cities map or you can click here for the feedback form. We welcome suggestions for improvement!
As far as your specific question, the dots on the map represent communities, not shelters. The 34,000 represents the current total number of communities. A no-kill community is generally a city, town, township, village or borough whose brick and mortar animal shelters are working collectively to save at least 90 percent of their animals. This number will be changing with the new publication as we will be removing communities that do not have animal sheltering service to our knowledge.
I hope this helps and Happy New Year!
#OrganizationalManagement