Vaccine demographic data
Demographic data on vaccines by county. Updated daily. 

Source: California Open Data Portal 
(https://data.ca.gov/dataset/covid-19-vaccine-progress-dashboard-data/resource/c341576f-90d2-41ec-bdb1-a4e69f40e6a3).
Code available: https://github.com/CityOfLosAngeles/covid19-indicators.