Oak Brook Population History 1990 - 2023

Oak Brook Population Facts

What is the current population of Oak Brook?

Based on the latest 2024 data from the US census, the current population of Oak Brook is 8,049. Oak Brook, Illinois is the 3,682nd largest city in the US.

What county is Oak Brook, Illinois in?

Parts of Oak Brook are located within Cook County and DuPage County.

What is the size of Oak Brook, Illinois in square miles?

Oak Brook has an area of 8.0 square miles.

What was the peak population of Oak Brook?

The peak population of Oak Brook was in 1990, when its population was 9,382. In 1990, Oak Brook was the 2,596th largest city in the US; now its fallen to the 3,682nd largest city in the US. Oak Brook is currently 14.2% smaller than it was in 1990.

How quickly is Oak Brook shrinking?

Oak Brook has shrunk 6.9% since the year 2000. Oak Brook, Illinois's growth is below average. 78% of similarly sized cities are growing faster since 2000.

What is the population density of Oak Brook, Illinois?

Oak Brook has a population density of 991.7 people per square mile.

Oak Brook Demographics

What is the voting age population of Oak Brook, Illinois?

The total voting age population of Oak Brook, Illinois, meaning US citizens 18 or older, is 6,370. The voting age population is 45.7% male and 54.3% female.

What percentage of Oak Brook, Illinois residents are senior citizens?

According to the latest census statistics, 38.5% of the residents of Oak Brook are 65 or older.

What are the racial demographics of Oak Brook, Illinois?

The racial demographics of Oak Brook are 62.4% White, 31.8% Asian, 2.8% Two or more races, 2.4% Black and 0.6% Other. Additionally, 3.5% of the population identifies as Hispanic.

What percentage of Oak Brook, Illinois residents are below the poverty line?

In Oak Brook, 4.9% of residents have an income below the poverty line, and the child poverty rate is 7.4%. On a per-household basis, 3.2% of families are below the poverty line in Oak Brook.

What percentage of Oak Brook, Illinois residents are in the labor force?

Among those aged 16 and older, 45.1% of Oak Brook residents are in the labor force.

What are the education levels among Oak Brook, Illinois residents?

Among the adult population 25 years old and over, 97.4% of Oak Brook residents have at least a high school degree or equivalent, 66.6% have a bachelor's degree and 35.5% have a graduate or professional degree.

What percentage of Oak Brook, Illinois residents speak a non-English language at home?

Among Oak Brook residents aged 5 and older, 36.9% of them speak a non-English language at home. Broken down by language: 3.6% of residents speak Spanish at home, 20.8% speak an Indo-European language, and 9.1% speak an Asian language.

Oak Brook Income & Labor Statistics

What is the unemployment rate in Oak Brook, Illinois?

The unemployment rate in Oak Brook is 3.4%, which is calculated among residents aged 16 or older who are in the labor force.

What percentage of Oak Brook, Illinois residents work for the government?

In Oak Brook, 7.9% of the residents in the non-military labor force are employed by the local, state and federal government.

What is the median income in Oak Brook, Illinois?

The median household income in Oak Brook is $141,055.

Oak Brook Housing & Rent Statistics

What percentage of housing units are owner-occupied in Oak Brook, Illinois?

In Oak Brook, 95.9% of housing units are occupied by their owners.

What percentage of housing units are rented in Oak Brook, Illinois?

Renters occupy 4.1% of housing units in Oak Brook.

What percentage of Oak Brook, Illinois housing units were built before 1940?

Of all the housing units in Oak Brook, 1.3% of them were build before 1940.

What percentage of Oak Brook, Illinois housing units were built after 2000?

In Oak Brook, 9.6% of the total housing units were built after the year 2000, which is approximately 310 units.

What is the median monthly rent in Oak Brook, Illinois?

The median gross monthly rent payment for renters in Oak Brook is $-1,333,333,334.

What percentage of households in Oak Brook, Illinois have broadband internet?

In Oak Brook, 88.3% of households have an active broadband internet connection.