Chicago's Black population, as a proportion of the city's total population in 1900: 2%
Chicago's Black population, as a proportion of the city's total population in 1960: almost 25%¹⁰

Black population of New York City in 1900: about 50,000
Black population of Philadelphia in 1900: about 50,000¹¹

Number of "dumbbell" tenement houses (named for the shape of their floor plans) in New York City in 1894: about 39,000
Proportion of New York City's total population living in "dumbbell" tenement houses in 1894: almost half¹²

Number of settlement houses in the United States in 1891: 6
Number of settlement houses in the United States in 1897: 74¹³
Number of settlement houses in the United States in 1920: nearly 500¹⁴

American daily newspaper circulation in 1870: 2.8 million
American daily newspaper circulation in 1899: 24 million¹⁵

Circulation of McClure's magazine in 1903: 370,000
Circulation of McClure's magazine in 1906: over 750,000¹⁶

Circulation of Hampton's magazine in 1903: 13,000
Circulation of Hampton's magazine in 1906: 440,000¹⁷

Combined subscriptions of the three major temperance newspapers in 1890: 100,000¹⁸

Price of the New York Times in 1896: 1¢¹⁹