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CITY · 2000 CENSUS

Oswego

Illinois · 13,326 residents · 15.198 sq mi
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The short version

Oswego is significantly wealthier than the US average, with a median household income of $71,502. The city has more than doubled in size since 1990, adding 9,450 residents. Median home value has risen by half since 1990, reaching $170,800. Poverty is rare here, at 2.8% of residents. Households here earn about 53% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 32.7
US median: 35.2
More educated
34% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
13,326
+244%since 1990
from 3,876 in 1990
1990 – 2025
Population density
877 / sq mi
+244%since 1990
from 255 / sq mi in 1990
US average: 242
Median age
32.7
−9%since 1990
from 35.8 in 1990
US average: 35.2
Population, 1990 – 2024
62610K20K30K40K1990201020202024Oswego
202436K
1990201020202024
Section 02

Income & economy

Median household income
$71,502
+24%inflation adjusted, since 1990
from $43,889 in 1990
US average: $42,589
1990 – 2024
Per capita income
$27,204
+45%since 1990
from $18,784 in 1990
US average: $21,522
Poverty rate
2.8%
+2.6 ptssince 1990
from 0.2% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$170,800
+15%inflation adjusted, since 1990
from $112,900 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$737
+3%inflation adjusted, since 1990
from $542 in 1990
US average: $602
Owner-occupied
92.3%
+10.5 ptssince 1990
from 81.8% in 1990
7.7% rent
Afford Score
2.4
−7%since 1990
from 2.6 in 1990
1990 – 2024
RELATED:See current rent listings in Oswego on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.3%(3,848)
Black0%(0)
Hispanic / Latino1.2%(45)
Asian0.3%(11)
Diversity Score4.6%(178)
2000
White, non-Hispanic90.6%(12,079)
Black1.8%(236)
Hispanic / Latino5%(665)
Asian1.4%(183)
Diversity Score19.4%(2,580)
Diversity Score
19
+322%since 1990
from 5 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
33.5%
+11.9 ptssince 1990
from 21.7% in 1990
US average: 24.4%
High school or higher
93.5%
+8.3 ptssince 1990
from 85.2% in 1990
US average: 80.3%
Graduate degree
10.7%
+6.0 ptssince 1990
from 4.7% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
25.2 min
+9%since 1990
from 23.2 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Oswego

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Pop 43,945
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Head to head

Compare Oswego to nearby cities

OSWEGO VS
Boulder Hill
Income$80,377+12%
Home value$238,700+40%
Population8,989−77%
SEE FULL COMPARISON →
OSWEGO VS
Montgomery
Income$103,734+45%
Home value$299,500+75%
Population21,978−45%
SEE FULL COMPARISON →
OSWEGO VS
Yorkville
Income$108,513+52%
Home value$335,300+96%
Population26,730−33%
SEE FULL COMPARISON →
OSWEGO VS
Plainfield
Income$144,000+101%
Home value$431,400+153%
Population50,043+25%
SEE FULL COMPARISON →
Frequently asked

How many people live in Oswego, Illinois?

Oswego, Illinois has about 13,326 residents according to the 2000 Census.

What is the median household income in Oswego, Illinois?

The typical household in Oswego, Illinois earns about $71,502 a year. Half of households make more than that, and half make less.

Is Oswego, Illinois expensive?

In Oswego, Illinois, the median home is worth about $170,800, and the typical rent is about $737 a month.

How educated are people in Oswego, Illinois?

About 33.5% of adults age 25 and over in Oswego, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Oswego, Illinois?

About 2.8% of people in Oswego, Illinois live below the federal poverty line.

Has Oswego, Illinois grown since 1990?

Yes, Oswego, Illinois has grown since 1990. The population has added about 9,450 residents, a change of about 244 percent over that period.

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

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