Posen vs South Barrington

A side-by-side comparison of Posen and South Barrington: population, income, housing, and more.

Posen and South Barrington are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Posen has the higher population (5,331 vs 5,004 in South Barrington). South Barrington has the higher median household income ($211,083 vs $71,994 in Posen). South Barrington has the higher median home value ($986,300 vs $172,800 in Posen).

Population, income & housing

	Posen	South Barrington
Population	5,331	5,004
Median age	33.0 yrs	49.2 yrs
Median household income	$71,994	$211,083
Median home value	$172,800	$986,300
Median gross rent	$1,478	$1,917
Housing units	1,721	1,713
Homeownership rate	71.6%	98.5%
Bachelor's degree or higher	12.8%	71.4%
Unemployment rate	5.7%	1.7%

Trends (ACS 5-year, 2019–2023)

	Posen	South Barrington
Population	6,149 → 5,331 (-13.3%)	4,923 → 5,004 (+1.6%)
Median household income	$42,370 → $71,994 (+69.9%)	$138,828 → $211,083 (+52.0%)
Median home value	$121,100 → $172,800 (+42.7%)	$802,200 → $986,300 (+22.9%)
Median gross rent	$1,109 → $1,478 (+33.3%)	—

Posen

Population

6,1495,331

Median household income

$42,370$71,994

Median home value

$121,100$172,800

Median gross rent

$1,109$1,478

South Barrington

Population

4,9235,004

Median household income

$138,828$211,083

Median home value

$802,200$986,300

Age & race/ethnicity

Age distribution (share)

	Posen	South Barrington
Under 5	5.1%	4.0%
5 to 17	17.7%	23.1%
18 to 24	16.9%	3.2%
25 to 34	15.6%	2.3%
35 to 44	9.6%	8.7%
45 to 54	14.9%	20.3%
55 to 64	12.9%	15.0%
65 to 74	3.9%	15.7%
75 and over	3.3%	7.8%

Race & ethnicity (share)

	Posen	South Barrington
White (non-Hispanic)	18.5%	50.1%
Black or African American	18.3%	1.3%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.3%	45.2%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	1.8%	3.2%
Hispanic or Latino	61.3%	0.2%

Educational attainment (age 25+)

Share of adults 25+

	Posen	South Barrington
No high school diploma	14.7%	4.6%
High school graduate	36.6%	7.6%
Some college or associate's	35.9%	16.5%
Bachelor's degree	10.4%	26.9%
Graduate or professional degree	2.4%	44.4%

Commute to work

How workers get to work (share)

	Posen	South Barrington
Drove alone	74.8%	72.4%
Carpooled	17.1%	5.1%
Public transit	1.9%	3.9%
Walked	2.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	2.1%	18.0%
Other means	2.2%	0.6%

Housing

Units in structure (share)

	Posen	South Barrington
1-unit, detached	87.7%	98.2%
1-unit, attached	0.0%	0.8%
2 to 4 units	12.3%	0.8%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.2%
Mobile home & other	0.0%	0.0%

Poverty & households

	Posen	South Barrington
Poverty rate	5.7%	1.3%
Average household size	3.26	2.94
Mean commute (minutes)	29	32
Median year structure built	1960	1994