Demographics Pro

https://www.demographicspro.com/
Carrboro, NC, USA

In their own words

Demographics Pro delivers detailed, accurate analysis for a variety of social media entities and inputs. Get data on the brands, influencers, conversations, and competitors in your market in a format that works for you. Our taxonomy offers multiple layers of rich data, including audience basics, such as age and gender, as well as detailed insights across thousands of brand affinities, audience interests and more.