LOS ANGELES – New technology tracking the density of homeless ... the data-driven GIS map identifies gaps in capacity and should be useful to policymakers at the city, county, state and federal ...

New York City Population ... of the country compare in population density. Click the button at the bottom of the interactive to select Los Angeles County, for instance, and then click anywhere ...

The maps show that population density in the country's rural areas ... Between 1935 and 1940, 12 percent of the population moved to another county or state," the Census Bureau writes.