2020 Census As of the
2020 census, the county had a population of 932,877, and the median age was 40.1 years. 22.4% of residents were under the age of 18 and 16.5% were 65 years of age or older, and for every 100 females there were 95.9 males (93.4 males for every 100 females age 18 and over). The racial makeup of the county was 66.1%
White, 4.9%
Black or African American, 0.6%
American Indian and Alaska Native, 12.8%
Asian, fewer than 0.1%
Native Hawaiian and
Pacific Islander, 6.7% from some other race, and 8.9% from
two or more races, while
Hispanic or Latino residents of any race comprised 15.5% of the population. 99.8% of residents lived in urban areas, while 0.2% lived in rural areas. There were 348,216 households in the county, of which 32.4% had children under the age of 18 living in them, 55.9% were married-couple households, 15.3% were households with a male householder and no spouse or partner present, and 23.7% were households with a female householder and no spouse or partner present. The population of DuPage County has become more diverse. The population of foreign-born residents increased from about 71,300 in 1990 to 184,000 by 2022 estimates. Of the 20% of residents who were born abroad, 45.2% were born in
Asia, 25.8% were born in
Latin America, 24.3% were born in
Europe, 3.5% were born in
Africa, 3.1% were born in
South America, 0.2% were born in
Oceania, and 1.1% were born in
Canada. The top countries of birth for immigrants in DuPage County are
Mexico (36,146),
India (35,486),
Poland (14,107), the
Philippines (11,352), and
China (10,116). The
per-capita income in DuPage County was $88,588 according to 2022 data from the Bureau of Economic Analysis. This was the second highest of any county in Illinois, surpassed only by that of
Lake County, located north of Chicago. As of 2022, DuPage County has a poverty rate of 6.7%, much lower than the national and state average. 8% of children under 18 and 6% of seniors in the county are in poverty.
2010 Census There were 325,601 households, out of which 37.00% had children under the age of 18 living with them, 60.90% were
married couples living together, 7.90% had a female householder with no husband present and 28.00% were non-families. 22.90% of all households were made up of individuals, and 6.80% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.27. In the county, 26.70% of the population was under the age of 18, 8.20% was from 18 to 24, 32.40% from 25 to 44, 22.80% from 45 to 64 and 9.80% was 65 years of age or older. The median age was 35 years. For every 100 females, there were 97.20 males. For every 100 females, age 18 and over, there were 94.20 males. The median income for a household in the county was $98,441 and the median income for a family was $113,086. Males had a median income of $60,909 versus $41,346 for females. The mean or average income for a family in DuPage County is $121,009, according to the 2005 census. The
per capita income for the county was $38,458. About 2.40% of families and 3.60% of the population were below the
poverty line, including 3.90% of those under age 18 and 4.30% of those age 65 or over. Notable churches include
megachurches like Community Christian Church in Naperville,
Wheaton Bible Church, Christ Church in Oak Brook, and other large congregations like
College Church. There is also a large
Catholic population, the county being part of the
Diocese of Joliet and the
National Shrine of St Therese in Darien. There is also the
Ukrainian Orthodox Church in Glendale Heights. The
Theosophical Society in America in Wheaton, the North American headquarters of the
Theosophical Society Adyar, provides lectures and classes on
theosophy,
meditation,
yoga,
Eastern and
New Age spirituality.
Islamic
mosques are located in
Villa Park, Naperville (two mosques), Glendale Heights, Willowbrook, Westmont, Lombard, Bolingbrook, Addison, Woodale, West Chicago, and unincorporated Glen Ellyn. There are
Hindu temples in Bartlett, Bensenville, Bloomingdale, Carol Stream, Itasca and Medinah, and an
Arya Samaj center in West Chicago. There is a
Nichiren Shōshū Zen Buddhist temple in
West Chicago and a
Theravada Buddhist Temple, called the Buddha-Dharma Meditation Center, in
Willowbrook. There is also a
Reform synagogue, Congregation Etz Chaim, in Lombard and an unaffiliated one in Naperville, called Congregation Beth Shalom. ==Economy==