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).
Recent posts about Winfield, Illinois on our local forum with over 2,000,000 registered users. Winfield is mentioned 453 times on our forum: Latest news from Winfield, IL collected exclusively by city-data.com from local newspapers, TV, and radio stations. Ancestries: German (14.9%), Irish (9.4%), American (9.0%), Polish (8.5%), English (7.3%), Italian (6.6%).