Data Source: CA Secretary of State
This data biography shares the how, who, what, where, when, and why about this dataset. We, the epidemiology team at Napa County Health and Human Services Agency, Public Health Division, created it to help you understand where the data we analyze and share comes from. If you have any further questions, we can be reached at
epidemiology@countyofnapa.org.
How was the data collected?
The California Secretary of State's Elections Division is responsible for maintaining a database of all registered voters as well as coordinating the counting of votes after elections. Voter participation is defined here as the percentage of eligible voters who actually voted.
Who was included and excluded from the data?
The term "eligible voters" refers to the population of US citizens aged 18 years or older who currently reside in the voting jurisdiction and who are not in prison or on parole for a felony and who have not been declared mentally incompetent.
Where was the data collected?
Voter registration data and election results are collected throughout California. This subset of data includes Napa County and California.
How often is the data collected?
Statewide General Elections are held the Tuesday after the first Monday in November on even years.
