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 Table 9-4. CDPs and Incorporated Places in the U.S., 1950 Through 1990

At the time of the early decennial censuses, there were sharper distinctions than now exist between city and country, or place and nonplace populations. The United States was largely agrarian; modern-day utilities and transportation systems did not exist. Thus, the communities that did exist tended to be compact, densely settled, easily identifiable, and of relatively great economic and cultural significance. Nonetheless, early census-taking procedures tended to be casual—there was no systematic effort to report the population by place—and many incorporated communities were not identified specifically. Despite an increased awareness of the need for a more precise accounting of the distribution of the population, a systematic, separate, and detailed reporting of the incorporated Places9-21