Census Day was June 1, 1900
76,212,168 — U.S. Resident Population
21.5 — Population per square mile of land area
21.0 — Percent increase of population from 1890 to 1900
45 — Number of States
Census Day was April 15, 1910
92,228,496 — U.S. Resident Population
26.0 — Population per square mile of land area
21.0 — Percent increase of population from 1900 to 1910
46 — Number of States
Census Day was January 1, 1920
106,021,525 — U.S. Resident Population
29.9 — Population per square mile of land area
15.0 Percent increase of population from 1910 to 1920
48 — Number of States
Census Day was April 1, 1930
123,202,624 — U.S. Resident Population
34.7 — Population per square mile of land area
16.2 — Percent increase of population from 1920 to 1930
48 — Number of States
Census Day was April 1, 1940
132,164,569 — U.S. Resident Population
37.2 — Population per square mile of land area
7.3 — Percent increase of population from 1930 to 1940
48 — Number of States
1940 U.S. Federal Census of Fort Chiswell, Wythe, Virginia