. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. other MSA's Balance of the state D Developed acres a Urban population I Persons/developed acre Figure 23. Percent change in urban population, developed land, and urban density: 1967-1987. In the collar counties, McHenry County had the greatest population increase, 142%, compared to 47% growth in development, yielding a 64% increase in urban density. Will County grew 66% in population, 50% in develop
. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. other MSA's Balance of the state D Developed acres a Urban population I Persons/developed acre Figure 23. Percent change in urban population, developed land, and urban density: 1967-1987. In the collar counties, McHenry County had the greatest population increase, 142%, compared to 47% growth in development, yielding a 64% increase in urban density. Will County grew 66% in population, 50% in development, and 11% in density. Even with McHenry County's 64% increase in density, it is still lower than the other collar counties, persons per acre in 1987 compared to in Will, in Lake, in Kane, in DuPage, and in Cook. HOUSING TRENDS The trend towards more space for each person is particularly evident in the residential sector. In all areas of the state the number of persons per house- hold is decreasing (Figure 25). Throughout the thirty-year time period, DuPage County has had the greatest number of people per household, followed by the other MSA's, Cook County and the rest of the state. That number continues to drop in all geo- graphic areas, particularly in DuPage County where the median dropped from to persons, a drop of almost one person per Figure 25. Persons per household, 1960 - 1990. Lake County experienced the greatest percent increase in developed acreage, up 122% compared to a population increase of 55%.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Dept. of Energy and Natural Resources; Critical Trends Assessment Project. Springfield, Ill. : Ill. Dept. of Energy and Natural Resources
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