2 results in English
Rand, McNally & Company’s Map of the United States Showing, in Six Degrees, the Density of Population, 1890
This map, published in 1892 by the Chicago-based Rand McNally and Company, shows the population density of the United States in 1890. Six shades of color are used to indicate the different levels of population density by location, ranging from fewer than two inhabitants per square mile (2.59 square kilometers) to more than 90 inhabitants per square mile. The most densely populated parts of the country are in the Northeast and parts of the Midwest. The West is for the most part sparsely populated, although already by this time ...
Contributed by Library of Congress
Geographical Distribution of the Population in France, or Population Density by Commune
Victor Turquan (1857-19?) headed the French Statistical Bureau from 1887 to 1896. He wrote numerous works on economic and demographic statistics, which included maps with graded coloration and iso-lines (lines connecting points with equal values). For Turquan, “the study of population distribution within the territory of a country belongs as much to geography as to statistics.” In an era in which color rarely was used even in statistical charts, he created this map of the population distribution in France using isopleths (lines surrounding zones with similar features) and “pitches of ...