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CITY · 2020 ACS

Rochester

Illinois · 3,863 residents · 2.646 sq mi
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The short version

Rochester is significantly wealthier than the US average, with a median household income of $95,463. Population has grown 34% since 2000. 54% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has risen by half since 2000, reaching $206,300. Poverty is rare here, at 1.5% of residents. Households here earn about 40% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 41.1
US median: 38.8
More educated
54% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
3,863
+34%since 2000
from 2,893 in 2000
1990 – 2025
Population density
1,460 / sq mi
+34%since 2000
from 1,093 / sq mi in 2000
US average: 280
Median age
41.1
+2%since 2000
from 40.3 in 2000
US average: 38.8
Population, 1990 – 2024
3K3K3K4K4K1990201020202024Rochester
20244K
1990201020202024
Section 02

Income & economy

Median household income
$95,463
+1%inflation adjusted, since 2000
from $62,891 in 2000
US average: $66,278
1990 – 2024
Per capita income
$39,944
+49%since 2000
from $26,881 in 2000
US average: $35,364
Households earning $100K+
62.0%
+6.2 ptssince 2009
from 55.8% in 2009
US average: 43.9%
Poverty rate
1.5%
+0.3 ptssince 2000
from 1.2% in 2000
US average: 12.8%
Workforce by industry, 2020
Other services11.5%
US avg: 6.6%
Public administration9.2%
US avg: 4.7%
Information6.5%
US avg: 11.1%
Retail trade6.2%
US avg: 10%
Wholesale trade4.6%
US avg: 6.7%
Finance & insurance1.6%
US avg: 5.5%
Arts, entertainment, food1.2%
US avg: 2%
Transportation & warehousing1.1%
US avg: 2.5%
Professional, scientific, technical0.9%
US avg: 4.7%
Agriculture, forestry, fishing0.7%
US avg: 1.7%
Construction0.7%
US avg: 1.2%
Education & health services0.7%
US avg: 0.8%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$206,300
+20%inflation adjusted, since 2000
from $114,800 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,022
+21%inflation adjusted, since 2000
from $564 in 2000
US average: $1,124
Owner-occupied
86.4%
−4.2 ptssince 2000
from 90.6% in 2000
13.6% rent
Afford Score
2.2
+18%since 2000
from 1.8 in 2000
1990 – 2024
RELATED:See current rent listings in Rochester on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98%(2,834)
Black0.3%(8)
Hispanic / Latino0.7%(20)
Asian0.4%(11)
Other0%
Diversity Score3.4%(97)
2020
White, non-Hispanic91.3%(3,526)
Black1%(38)
Hispanic / Latino1.5%(59)
Asian1.1%(43)
Other1.9%(74)
Diversity Score13.8%(532)
Diversity Score
14
+309%since 2000
from 3 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
53.7%
+9.3 ptssince 2000
from 44.3% in 2000
US average: 32.9%
High school or higher
97.8%
+4.9 ptssince 2000
from 92.9% in 2000
US average: 88.5%
Graduate degree
21.7%
+5.5 ptssince 2000
from 16.2% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
19.4 min
+88%since 2000
from 10.3 min in 2000
US average: 26.9
Drive alone to work
92.8%
+14.0 ptssince 2009
from 78.8% in 2009
US average: 75.1%
No vehicle available
4.6%
+1.8 ptssince 2009
from 2.8% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.6%
−0.2 ptssince 2011
from 3.8% in 2011
US average: 5.4%
Labor force participation
53.1%
−16.1 ptssince 2011
from 69.2% in 2011
US average: 63.4%
Management & professional
60.3%
−18.1 ptssince 2009
from 78.4% in 2009
US average: 39.3%
Section 08

People & community

Male
46.1%
+0.9 ptssince 2009
from 45.2% in 2009
Female
53.9%
−0.9 ptssince 2009
from 54.8% in 2009
Foreign born
0.5%
−1.1 ptssince 2009
from 1.6% in 2009
US average: 13.5%
Uninsured
1.1%
−94.4 ptssince 2013
from 95.5% in 2013
US average: 8.8%
Drill deeper

Places similar to Rochester

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Pop 4,163
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Pop 4,631
Buckingham
Pop 4,311
Big Pine Key
Pop 4,258
Places similar to Rochester
Head to head

Compare Rochester to nearby cities

ROCHESTER VS
Springfield
Income$66,064−31%
Home value$162,100−21%
Population112,989+2661%
SEE FULL COMPARISON →
ROCHESTER VS
Chatham
Income$106,773+12%
Home value$243,200+18%
Population14,579+256%
SEE FULL COMPARISON →
ROCHESTER VS
Taylorville
Income$57,552−40%
Home value$104,100−50%
Population10,522+157%
SEE FULL COMPARISON →
ROCHESTER VS
Lincoln
Income$57,340−40%
Home value$124,300−40%
Population12,981+217%
SEE FULL COMPARISON →
Frequently asked

How many people live in Rochester, Illinois?

Rochester, Illinois has about 3,863 residents according to the 2020 American Community Survey.

What is the median household income in Rochester, Illinois?

The typical household in Rochester, Illinois earns about $95,463 a year. Half of households make more than that, and half make less.

Is Rochester, Illinois expensive?

In Rochester, Illinois, the median home is worth about $206,300, and the typical rent is about $1,022 a month.

How educated are people in Rochester, Illinois?

About 53.7% of adults age 25 and over in Rochester, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Rochester, Illinois?

About 1.5% of people in Rochester, Illinois live below the federal poverty line.

Has Rochester, Illinois grown since 1990?

Yes, Rochester, Illinois has grown since 1990. The population has added about 1,156 residents, a change of about 43 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →