Chatham vs Rochester

A side-by-side comparison of Chatham and Rochester: population, income, housing, and more.

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

Chatham has the higher population (14,740 vs 3,784 in Rochester). Rochester has the higher median household income ($112,689 vs $106,030 in Chatham). Rochester has the higher median home value ($241,900 vs $231,900 in Chatham).

Population, income & housing

	Chatham	Rochester
Population	14,740	3,784
Median age	35.1 yrs	39.2 yrs
Median household income	$106,030	$112,689
Median home value	$231,900	$241,900
Median gross rent	$1,157	$1,333
Housing units	5,844	1,447
Homeownership rate	79.6%	96.0%
Bachelor's degree or higher	49.4%	49.9%
Unemployment rate	3.5%	3.6%

Trends (ACS 5-year, 2019–2023)

	Chatham	Rochester
Population	13,072 → 14,740 (+12.8%)	3,801 → 3,784 (-0.4%)
Median household income	$88,822 → $106,030 (+19.4%)	$96,111 → $112,689 (+17.2%)
Median home value	$188,900 → $231,900 (+22.8%)	$193,600 → $241,900 (+24.9%)
Median gross rent	$1,043 → $1,157 (+10.9%)	$1,085 → $1,333 (+22.9%)

Chatham

Population

13,07214,740

Median household income

$88,822$106,030

Median home value

$188,900$231,900

Median gross rent

$1,043$1,157

Rochester

Population

3,8013,784

Median household income

$96,111$112,689

Median home value

$193,600$241,900

Median gross rent

$1,085$1,333

Age & race/ethnicity

Age distribution (share)

	Chatham	Rochester
Under 5	7.7%	5.0%
5 to 17	23.0%	19.6%
18 to 24	8.6%	8.1%
25 to 34	10.5%	10.0%
35 to 44	18.8%	13.3%
45 to 54	10.3%	12.8%
55 to 64	10.0%	11.1%
65 to 74	7.7%	13.2%
75 and over	3.4%	6.8%

Race & ethnicity (share)

	Chatham	Rochester
White (non-Hispanic)	89.5%	93.3%
Black or African American	1.9%	0.4%
American Indian & Alaska Native	0.0%	0.0%
Asian	2.5%	2.6%
Native Hawaiian & Pacific Islander	0.1%	0.0%
Some other race	0.0%	0.0%
Two or more races	2.7%	2.1%
Hispanic or Latino	3.3%	1.7%

Educational attainment (age 25+)

Share of adults 25+

	Chatham	Rochester
No high school diploma	2.6%	1.7%
High school graduate	13.8%	23.3%
Some college or associate's	34.2%	25.1%
Bachelor's degree	30.4%	32.4%
Graduate or professional degree	19.0%	17.5%

Commute to work

How workers get to work (share)

	Chatham	Rochester
Drove alone	77.6%	76.9%
Carpooled	5.9%	6.9%
Public transit	0.2%	0.0%
Walked	0.6%	0.6%
Bicycle	1.0%	0.0%
Worked from home	14.1%	15.7%
Other means	0.6%	0.0%

Housing

Units in structure (share)

	Chatham	Rochester
1-unit, detached	74.6%	87.6%
1-unit, attached	7.1%	11.1%
2 to 4 units	5.2%	0.3%
5 to 19 units	11.1%	0.0%
20 or more units	0.7%	0.9%
Mobile home & other	1.3%	0.0%

Poverty & households

	Chatham	Rochester
Poverty rate	3.7%	2.1%
Average household size	2.62	2.74
Mean commute (minutes)	23	19
Median year structure built	1995	1985