Welcome to Oak Brook ...

The village of Oak Brook is primarily located in DuPage County<1>. A portion of Oak Brook extends into Cook County.

The location of Oak Brook has been provided by the Geographic Names Information System (ie- the GNIS).<2>

A typical abbreviation for Oak Brook: Oak Brk.

From the  Census Estimates for 2019, Oak Brook has a population of 8,079 people<3> (see below for details).

Oak Brook is 660 feet [201 m] above sea level.<4>.

Time Zone: Oak Brook lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Telephone area codes for Oak Brook: (630) & (331)<5>

The ZIP code for Oak Brook: 60523<6>

Websites for Oak Brook ...

Official Website:   www.oak-brook.org/

Junior League:   www.jlkd.org/

Population Details ...

Taken from the 2019 Census Estimates, Oak Brook had an population of 8,079 people. This is an increase of 2.49% since the 2010 Census (or a decrease of 7.16% since the 2000 Census).

At the time of the 2010 Census, Oak Brook had a population of 7,883 people. This makes Oak Brook the county's 28th most populous community.

The population of Oak Brook represents 0.06% of the total population of Illinois (which has 12,830,632 people), making it the state's 257th most populous community.

With a 2010 count of 7,883 people, the population of Oak Brook decreased 9.41% from the 2000 Census (with a count of 8,702 people).

More information can be found on the Census Page for Oak Brook.

Communities near Oak Brook ...

We have created a list of 10 communities that are near Oak Brook.

• Chicago
  (16 miles [25.7 km] to the east)
  • Jump to our Gazetteer entry for Chicago
  • Chicago is located in Cook County
  • Population from the 2020 Census: 2,677,643 people
  • Jump to TripAdvisor's Tourism page for Chicago <7>
• Aurora
  (19 miles [30.6 km] to the west)
  • Jump to our Gazetteer entry for Aurora
  • Aurora is located in Kane County
  • Population from the 2020 Census: 196,383 people
  • Jump to TripAdvisor's Tourism page for Aurora <7>
• Naperville
  (11 miles [17.7 km] to the southwest)
  • Jump to our Gazetteer entry for Naperville
  • Naperville is located in DuPage County
  • Population from the 2020 Census: 147,986 people
  • Jump to TripAdvisor's Tourism page for Naperville <7>
• Cicero
  (9 miles [14.5 km] to the east)
  • Note: The GPS coordinates that we are using for Cicero have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Cicero
  • Cicero is located in Cook County
  • Population from the 2020 Census: 79,727 people
  • Jump to TripAdvisor's Tourism page for Cicero <7>
• Bolingbrook
  (12 miles [19.3 km] to the southwest)
  • Note: The GPS coordinates that we are using for Bolingbrook have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Bolingbrook
  • Bolingbrook is located in Will County
  • Population from the 2020 Census: 74,025 people
  • Jump to TripAdvisor's Tourism page for Bolingbrook <7>
• Arlington Heights
  (17 miles [27.4 km] to the north)
  • Jump to our Gazetteer entry for Arlington Heights
  • Arlington Heights is located in Cook County
  • Population from the 2020 Census: 73,999 people
  • Jump to TripAdvisor's Tourism page for Arlington Heights <7>
• Evanston
  (19 miles [30.6 km] to the northeast)
  • Jump to our Gazetteer entry for Evanston
  • Evanston is located in Cook County
  • Population from the 2020 Census: 72,683 people
  • Jump to TripAdvisor's Tourism page for Evanston <7>
• Schaumburg
  (14 miles [22.5 km] to the northwest)
  • Note: The GPS coordinates that we are using for Schaumburg have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Schaumburg
  • Schaumburg is located in Cook County
  • Population from the 2020 Census: 72,049 people
  • Jump to TripAdvisor's Tourism page for Schaumburg <7>
• Palatine
  (19 miles [30.6 km] to the north)
  • Note: The GPS coordinates that we are using for Palatine have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Palatine
  • Palatine is located in Cook County
  • Population from the 2020 Census: 66,830 people
  • Jump to TripAdvisor's Tourism page for Palatine <7>
• Skokie
  (17 miles [27.4 km] to the northeast)
  • Note: The GPS coordinates that we are using for Skokie have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Skokie
  • Skokie is located in Cook County
  • Population from the 2020 Census: 62,404 people
  • Jump to TripAdvisor's Tourism page for Skokie <7>

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Oak Brook. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Oak Brook.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Oak Brook. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Oak Brook.

We also have a detailed list of newspapers that have been published in the area around Oak Brook. Our list includes 14 papers. See our Newspapers Page for Oak Brook.

TripAdvisor Tourism Pages for Oak Brook ...

Looking for more information about Oak Brook? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Oak Brook, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Oak Brook.

Off-the-Road Links ...

The official website for Oak Brook: www.oak-brook.org/

The official website for DuPage County: www.dupageco.org/

The official website for State of Illinois: https://illinois.gov