Preserve and various office complexes around Diehl Road form a major enclave into the boundary. Climate Naperville has a typical Midwestern humid continental climate (Köppen Dfa). There are four distinct seasons: winters are cold and snowy, springs are humid, summers are hot, and falls are cool. The highest recorded temperature was 105 °F. The coldest was -29 °F. Demographics As of the 2020 census there were 149,540 people, 52,648 households, and 39,443 families residing in the city. The population density was . There were 55,348 housing units at an average density of . The racial makeup of the city was 63.39% White, 4.99% African American, 0.17% Native American, 22.29% Asian, 0.03% Pacific Islander, 2.23% from other races, and 6.89% from two or more races. Hispanic or Latino of any race were 6.94% of the population. There were 52,648 households, out of which 69.11% had children under the age of 18 living with them, 64.65% were married couples living together, 7.40% had a female householder with no husband present, and 25.08% were non-families. 20.35% of all households were made up of individuals, and 7.33% had someone living alone who was 65 years of age or older. The average household size was 3.24 and the average family size was 2.76. The city's age distribution consisted of 25.3% under the age of 18, 7.9% from 18 to 24, 25% from 25 to 44, 28.6% from 45 to 64, and 13.0% who were 65 years of age or older. The median age was 39.1 years. For every 100 females, there were 96.8 males. For every 100 females age 18 and over, there were 93.7 males. The median income for a household in the city was $127,648, and the median income for a family was $150,075. Males had a median income of $94,340 versus $47,690 for females. The per capita income for the city was $58,075. About 2.6% of families and 3.8% of the population were below the poverty line, including 4.3% of those under age 18 and 3.2% of those age 65 or over. Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race. As of April 2020, Naperville was the 181st most populous city in the United States. Economy Naperville is within the Illinois Technology and Research Corridor. Employers contributing to the