Projections

What's the difference between P1 and P2 projections?
P1 and P2 both refer to table names that the census uses. They DO NOT refer to different "types" of projections. In particular these projectio...
Thu, 4 Mar, 2021 at 3:36 PM
Same Variables at Different Geographies?
For a given table number (P1 or P2) the same variables appear in the block-level and block group-level projections.
Thu, 4 Mar, 2021 at 4:33 PM
Census List of P1 and P2 Table Variables
A full list of P1 and P2 table variables can be located here: P1: https://api.census.gov/data/2010/dec/pl/groups/P1.html P2: https://api.census.gov/dat...
Fri, 5 Mar, 2021 at 4:42 PM
What data went into projections?
The projections use 2010 census data as well as 2018 ACS data.  Here is a more detailed explanation copied from one of the metadata files (keep in mind ...
Fri, 5 Mar, 2021 at 4:51 PM
How were the projections created?
**Haystaq Projection Methodology ** STEP 1 Aggregate 2010 Census Block data to the Block Group level. Update the 2018 ACS 5-year estimates at the state leve...
Fri, 5 Mar, 2021 at 4:51 PM