Hard to Count Maps

There are a number of Hard to Count Mapping Resources to better understand where the hardest to count population lives in Contra Costa County

Interactive Hard to Count Map (California State Department of Finance)
Census Bureau Response Outreach Area Mapper (ROAM)
CUNY Hard to Count Map 

Hard to Count Factsheets for Counties, large cities, Senate, Assembly, and Congressional Districts

Hard to Count Population - Deep Dives

Contra Costa County has prepared a number of deep dives into hard to count characteristics.