Area middle schools include Lincoln Middle School and Emerson Middle School in Niles.At one point there were nine public K–6 elementary schools: Oakton, Madison, Edison, Merrill, Carpenter, Field, Franklin, Roosevelt, and Washington.The racial makeup of the city was 95.4% White, 0.2% African American, 0.06% Native American, 2.66% Asian, 0.05% Pacific Islander, 0.87% from other races, and 0.74% from two or more races.Hispanic or Latino of any race were 2.90% of the population.
Park Ridge was originally called Pennyville to honor George Penny, the businessman who owned the local brickyard along with Robert Meacham. The Des Plaines River divides Park Ridge from neighboring Des Plaines, Illinois, which is west of Park Ridge. There were five African-Americans and 31 people classed other than black or white. of 2000, there were 37,775 people, 14,219 households, and 10,465 families residing in the city.Chicago is south and east of Park Ridge, and Niles and unincorporated Maine Township are to its north. The population density was 5,374.6 people per square mile (2,074.7/km²).The area of Park Ridge was inhabited by the Potawatomie until they were removed in 1833. There were 14,646 housing units at an average density of 2,083.8 per square mile (804.4/km²).The average household size was 2.61 and the average family size was 3.13. The City's population consists of 24.5% persons under the age of 18, 5.5% aged 18 to 24, 24.5% aged 25 to 44, 25.8% aged 45 to 64, and 19.6% age 65 or older. According to a 2007 estimate, the median income for a household in the city was ,674, and the median income for a family was 0,842.
Males had a median income of ,959 versus ,794 for females. About 1.7% of families and 2.2% of the population were below the poverty line, including 2.1% of those under age 18 and 3.1% of those age 65 or over.Only the latter five remain today, and all are in Park Ridge. The town is served by Maine Township High School District 207, which includes Maine South High School, and Maine East High School.