1 Ideal Gas Law - In perfect or ideal gas the change in density is directly related to the change of temperature and pressure as expressed by the Ideal Gas Law.  Water and Liquids - Critical Pressure Ratios - Critical pressure ratios for water and other liquids.
The 2016 Winfield, Illinois, population is 9,657. There are 3,228 people per square mile (population density).
Population of Lombard, IL Last official estimated population of Lombard village (DuPage County**, Illinois state) was 43,893 (year 2014) [1]. This was 0.014% of total US population and 0.34% of total Illinois state population. Area of Lombard village is 10.4 miÂ² (=27 kmÂ²) [6], in this year population density was 4,205.52 p/miÂ². If population growth rate would be same as in period 2010-2014 (+0.42%/yr), Lombard village population in 2018 would be 44,633*.