voter traits block
For a given election, this table estimates the traits of voters who actually cast (or will cast) ballots in a given census block. Currently, this table only covers past general elections.

Schema

Field
Description
election year
The year a given election took place.
election stage
One of four values (“primary”, “primary run-off”, “general”, or “general run-off”) indicating which stage a given election’s contests were at.
block fips 2010
A 15-digit code, maintained by the U.S. Census, representing the smallest level of Census geography: the census block. As of 2010, there were 11.2 million census blocks, about 6.3 million of which were inhabited.
voter count
The approximate number of people living in a given census block who cast ballots in a given election.
age group 18 34
The approximate share of participating voters in a given census block who were between the ages of 18 and 34 for a given election.
age group 35 54
The approximate share of participating voters in a given census block who were between the ages of 35 and 54 for a given election.
age group 55 plus
The approximate share of participating voters in a given census block who were age 55 or over for a given election.
pct gender female
The approximate share of participating voters in a given census block with a female gender identity for a given election.
pct race aapi
The approximate share of participating voters in a given census block with an Asian-American or Pacific Islander racial or ethnic identity for a given election.
pct race black
The approximate share of participating voters in a given census block with a Black racial or ethnic identity for a given election.
pct race latinx
The approximate share of participating voters in a given census block with a Latinx racial or ethnic identity for a given election.
pct race white
The approximate share of participating voters in a given census block with a white racial or ethnic identity for a given election.

Example entry

[
{
"election_year": "2018",
"election_stage": "general",
"block_fips_2010": "290470218051002",
"voter_count": "25",
"age_group_18_34": "0.08",
"age_group_35_54": "0.36",
"age_group_55_plus": "0.57",
"pct_gender_female": "0.50",
"pct_race_aapi": "0.00",
"pct_race_black": "0.02",
"pct_race_latinx": "0.01",
"pct_race_white": "0.97"
}
]
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Schema
Example entry