While there could be census data, this is weak substantiation and feels more like click-bait: > It seems that much of the data on the main folder might have or

While there could be census data, this is weak substantiation and feels more like click-bait: > It seems that much of the data on the main folder might have originated from the United States Census Bureau. Certain codes used in the database were either specific to the Bureau or used in the Bureau’s classifications.