Illinois · United States
Northbrook population
33,663people · latest figure
Northbrook has a population of 33,663, making it the 1323rd largest place we list in United States. It is in Illinois.
Northbrook holds under a tenth of one per cent of United States's 349,035,494 people. New York City, the largest place we list there, is 262 times its size. Twenty years earlier the World Gazetteer recorded 34,322, almost unchanged.
The 2005 figure comes from the World Gazetteer archive restored on this site. The two sources may draw the settlement's boundary differently, so treat the change as indicative rather than exact. Why figures differ.
Northbrook is in Illinois, which has 945 recorded places.
Nearby in size
| Place | Region | Population |
|---|---|---|
| Oak Hill | Virginia | 33,811 |
| Deer Park | Texas | 33,806 |
| Holland | Michigan | 33,742 |
| Hilliard | Ohio | 33,649 |
| Wenatchee | Washington | 33,636 |
| Fair Lawn | New Jersey | 33,597 |
All places in United States → · Illinois →
Figures are the latest available in GeoNames (CC BY 4.0), which draws on national censuses of varying dates — treat them as recent, not same-year. Country totals are UN World Population Prospects 2024 (medium variant) where the UN lists the country separately; the handful it reports under a parent state keep a GeoNames figure and are marked as such. Sources & method.