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I agree. The maps weight counties by area (naturally), but it would have been more useful to weight counties by population. A 2% increase in poverty in a county with 1 million people is more significant than a 2% increase in poverty in a county with 1000 people.

This summary of facts seems quite useless, presented as it is by county.

My guess is that it's by county because this is 2018. The full census is done every ten years. More granular information will come after the next full census.

Assuming it’s properly funded and executed, which the current party in power probably doesn’t want.

As you note, this is just a summary of some highlights. The “new” in this news just happens to be the availability of data at the regional level. Overall data waspreviously released, and is therefore not featured in this press release.