R Tidy Census - 18 岁以上选民的变量

Question

I have been trying to find a variable on the Tidy Census' latest American Community Survey (ACS) variable list.

The one I'm looking for would be for all voters aged 18 and up. I have yet to find it in the list. Even if I have to combine a couple variables to make it work, that's fine too.

I search for relevant keywords related to age, but have yet to find anything. Variables that appear with “18 years and over” have a greater specificity than what I am looking for. I may be missing something though; I'm new to Tidy Census.

Help would be greatly appreciated!

Answer 1

Finding Census variables is difficult. Start here: https://data.census.gov/table?q=ACS

In table S0101 under labels there is a selected age categories variable named 18 years and over .

Searched those those keywords and found this long list.https://api.census.gov/data/2019/acs/acs1/subject/variables/

Where we find variable "S0101_C01_026".

["S0101_C01_026E","Estimate,,Total!!Total population!!SELECTED AGE CATEGORIES!!18 years and over","AGE AND SEX"],

Then we can get that variable:

county_data<-get_acs(geography = "county", 
                variables = "S0101_C01_026",
                cache_table=TRUE,
                year=2021)

county_data

# A tibble: 3,221 × 5 GEOID NAME variable estimate moe <chr> <chr> <chr> <dbl> <dbl> 1 01001 Autauga County, Alabama S0101_C01_026 44438 122 2 01003 Baldwin County, Alabama S0101_C01_026 178105 NA 3 01005 Barbour County, Alabama S0101_C01_026 19995 28 4 01007 Bibb County, Alabama S0101_C01_026 17800 44 5 01009 Blount County, Alabama S0101_C01_026 45201 75