Males 18 and over outnumbered females in the same age group by 485. In the 65 and over age range, there were 741 females and 496 males.
An agency of the U.S. Federal Statistical System, the Census Bureau is responsible for compiling statistical facts about the American people, places and economy. Data for this story was compiled from the bureau's American Community Survey. Information from the survey helps to determine how federal and state funds are distributed.
Northbrook's population by sex
| Sex and age range | Estimated number | Percent of total |
|---|---|---|
| Males 18 and over | 3,633 | 33.8 |
| Females 18 and over | 3,148 | 29.3 |
| Males 65 and over | 496 | 4.6 |
| Females 65 and over | 741 | 6.9 |
Source: US Census Bureau
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