Millbrook, Illinois Population & Demographics

Statistic	Millbrook	Illinois	National
Population	357	12,671,821	328,239,523
Population density (sq mi)	193	228	91
Median age	41.5	37.4	37.7
Male/Female ratio	0.8:1	1.0:1	1.0:1
Married (15yrs & older)	67%	55%	55%
Families w/ Kids under 18	47%	44%	43%
Speak English	99%	77%	79%
Speak Spanish	1%	13%	13%

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Demographics Quick Facts

The population density in Millbrook is 15% lower than Illinois
The median age in Millbrook is 11% higher than Illinois
In Millbrook 99.16% of the population is White
In Millbrook 0.00% of the population is Black
In Millbrook 0.00% of the population is Asian

Compare Millbrook, IL Demographics

Millbrook racial demographics

Race	Millbrook	Illinois	National
White	99.16%	72.14%	73.35%
Black	0.00%	14.30%	12.63%
Asian	0.00%	5.10%	5.22%
American Indian	0.00%	0.23%	0.82%
Native Hawaiian	0.00%	0.03%	0.18%
Mixed race	0.84%	2.34%	3.06%
Other race	0.00%	5.86%	4.75%

In Millbrook, 2.2% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

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Household income distribution

Place of birth by citizenship

Millbrook age breakdown

Marital status

Age of children in married couples

Source: The Millbrook, IL demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).