Census API: Examples for /data/2017/popproj/nim
Geography HierarchyGeography LevelExample URLNumber
2 examples
us010https://api.census.gov/data/2017/popproj/nim?get=YEAR&for=us:*&key=YOUR_KEY_GOES_HERE
https://api.census.gov/data/2017/popproj/nim?get=YEAR&for=us:1&key=YOUR_KEY_GOES_HERE