US Census API

API key request and package installation

• If you haven’t already, request an API key here: https://api.census.gov/data/key_signup.html
• Install the following R packages. If prompted to update other packages, select “None”:

install.packages(c("tidycensus", "DT"))

Using tidycensus

## load packages: tidycensus, sf, DT, tmap

## initialize census api key

## view acs variables

## get data, assign to a variable

## view in psuedo-spreadsheet form

## create a searchable web table

## search it for "median family income"

## get data at the county level for Wisconsin, store in a variable!

## get the same data at the county level for two other states!

## get data for a different variable of interest and at a different geometry