Table 3.-POPULATION OF AREAS URBAN UNDER 1940 SPECIAL RULES: 1950 AND 1940

Table 4.-URBAN AND RURAL POPULATION OF THE UNITED STATES: 1790 TO 1950
[For description of new and old urban definitions, see text]

Table 5a.-POPULATION IN GROUPS OF PLACES CLASSIFIED ACCORDING TO SIZE: 1950

In 1950 and 1940 Bluefield, Va., and Bluefield, W. Va.: Bristol, Tenn., and Bristol, Va.; Delmar, Del., and Delmar, Md.; Harrison, Ohio, and West Harrison, Ind.; Junction City, Ark., and Junction City, La.; Texarkana, Ark., and Texarkana, Texas; Texhoma, Okla., and Texhoma, Texas; and Union City, Ind., and Union City, Ohio, were counted as separate incorporated places, whereas in 1930 and earlier years each pair was counted as a single place.

2 Figures revised since publication of Vol. I, 1940.

Table 6.-POPULATION OF CONTINENTAL UNITED STATES, BY REGIONS, DIVISIONS, AND STATES, AND OF ALASKA, HAWAII, AND PUERTO RICO: 1790 TO 1950

! Includes population (325,464) of Indian Territory and Indian reservations specially enumerated in 1890 but not included in general report on population for 1890.
Includes persons (6,100 in 1840 and 5,318 in 1830) on public ships in the service of the United States, not credited to any region, division, or State.
OHIO.-Population of Territory Northwest of the River Ohio.

INDIANA-1810 figure includes population of area separated in 1816; 1800 figure includes population (3,124) of those portions of Indiana Territory which were taken to form Michigan and Illinois Territories in 1805 and 1809, respectively, and that portion which was separated in 1816. ILLINOIS.-Population of Illinois Territory.

MICHIGAN.-Population of Michigan Territory as then constituted; boundaries changed in 1816, 1818, 1834, and 1836.
WISCONSIN.-Includes population of that part of Minnesota northeast of the Mississippi River.

IOWA.-Includes population of area constituting that part of Minnesota lying west of the Mississippi River and a line drawn from its source northwards to the Canadian boundary.