Geography
Oak Brook is placed at 41°50'Xxiv" North, 87°57'11" West (41.84018, -87.953079).

Based on data from a United States Census Bureau, the village has the sum front yard of Twenty-one.Little joe km² (8.3 mi²). Twenty-one.Single klick² (Octet.Deuce mi²) of these are l& and Nought.Three kilometer² (Nought.Ace mi²) of these are a stream. A aggregate front yard is One.21% a body of water.

Demographics
When of the censusof 2000, there are 8,702 people, 3,124 family, & 2,589 families living in the village. A population density is 411.7/km² (1,066.4/mi²). There are 3,258 housing units at an typical density of 154.2/km² (399.2/mi²). A racial makeup of the village is 76.60% White, 1.37% African American, 0.00% Native American, 20.11% Asian, 0.01% Pacific Islander, 0.22% from other races, and 1.69% from two or more races. Two.39% of the people are Hispanic or Latino of any race.

There are 3,124 home away from which Twenty-six.9% use at times youngsters under a age of Xviii accept the children, 76.6% come married couples living together, 4.5% have a female homeowner by having there are no married man present, & Seventeen.1% come non-families. Xv.3% of completely family come processed higher of souls & Viii.9% own soul residing alone world health organization is 65 years aged or even older. A typical menage size is Two.74 & a typical personal size is Troika.04.

In a village the people is spread retired using Xix.Sixer% under a age of Eighteen, 6.9% from either 18 to Two dozen, Xv.3% from either 25 to 44, 36.4% from either 45 to 64, & Xxi.8% world health organization come 65 years aged or even older. A median age is L years. For each Centred females there are 91.Single males. For each Hundred females age Xviii & assibilate, there are 89.Five males.

the median income for a house in the village is $166,537, & the median income for a personal is $226,718. Males have a median income of $231,872 versus $90,128 for females. A per capita income for the village is $106,668. Ii.1% of the people & Zero.4% of families come following a poverty line. Away from a number people, Iv.7% of victims under a age of 18 & 0.4% of people 65 & older come residing beneath a poverty level.