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CITY

Spring Bay

Illinois · 489 residents (2025 est.) · 0.688 sq mi
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The short version

Spring Bay has notably lower household income than the US average, with a median household income of $61,389. Population has grown 19% since 2000. 13% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has risen by half since 2000, reaching $130,200. Households here earn about 26% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 41.7
US median: 38.9
Less educated
13% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
520
+19%since 2000
from 436 in 2000
1990 – 2025
Population density
756 / sq mi
+19%since 2000
from 634 / sq mi in 2000
US average: 281
Median age
41.7
+12%since 2000
from 37.2 in 2000
US average: 38.9

PEP 2025 EST:489 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
3804615426227031990201020202024Spring Bay
2024520
1990201020202024
Section 02

Income & economy

Median household income
$61,389
−21%inflation adjusted, since 2000
from $42,500 in 2000
US average: $82,259
1990 – 2024
Per capita income
$28,347
+50%since 2000
from $18,915 in 2000
US average: $44,673
Households earning $100K+
42.5%
+15.7 ptssince 2009
from 26.8% in 2009
US average: 53.3%
Poverty rate
19.2%
+14.4 ptssince 2000
from 4.8% in 2000
US average: 12.5%
Income inequality (Gini)
0.403
+12%since 2010
from 0.358 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade34.3%
US avg: 9.9%
Information12%
US avg: 10.8%
Wholesale trade4.1%
US avg: 6.9%
Finance & insurance4.1%
US avg: 5.9%
Transportation & warehousing3.7%
US avg: 2.2%
Professional, scientific, technical3.7%
US avg: 5.1%
Other services2.5%
US avg: 6.7%
Public administration2.5%
US avg: 4.8%
Education & health services0.4%
US avg: 0.9%
Arts, entertainment, food0.4%
US avg: 1.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$130,200
−4%inflation adjusted, since 2000
from $74,800 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,071
+15%inflation adjusted, since 2000
from $513 in 2000
US average: $1,442
Owner-occupied
66.0%
−17.8 ptssince 2000
from 83.8% in 2000
34.0% rent
Vacancy rate
8.2%
−0.9 ptssince 2009
from 9.2% in 2009
US average: 10.0%
Owner cost-burdened
21.4%
+2.4 ptssince 2009
from 19.0% in 2009
US average: 22.9%
Renter cost-burdened
54.2%
+13.3 ptssince 2009
from 40.9% in 2009
US average: 47.4%
Afford Score
2.1
+21%since 2000
from 1.8 in 2000
1990 – 2024
Gentrification Score
22
RELATED:See current rent listings in Spring Bay on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.2%(428)
Black0.5%(2)
Hispanic / Latino0.7%(3)
Asian0%(0)
Other0%
Diversity Score2.9%(12)
2024
White, non-Hispanic95.4%(496)
Black0%(0)
Hispanic / Latino1.2%(6)
Asian0.6%(3)
Other2.9%(15)
Diversity Score11.1%(58)
Diversity Score
11
+290%since 2000
from 3 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
12.7%
+4.3 ptssince 2000
from 8.4% in 2000
US average: 35.6%
High school or higher
93.0%
+7.6 ptssince 2000
from 85.4% in 2000
US average: 89.6%
Graduate degree
0.3%
−1.6 ptssince 2000
from 1.9% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
24.2 min
+60%since 2000
from 15.2 min in 2000
US average: 26.5
Drive alone to work
86.4%
+4.5 ptssince 2009
from 81.9% in 2009
US average: 68.9%
Carpooled to work
7.9%
−6.1 ptssince 2009
from 14.0% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
5.8%
+4.5 ptssince 2009
from 1.3% in 2009
US average: 15.0%
Walked to work
0.0%
−2.9 ptssince 2009
from 2.9% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
5.7%
+1.3 ptssince 2009
from 4.4% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
7.3%
+1.3 ptssince 2011
from 5.9% in 2011
US average: 5.2%
Labor force participation
60.3%
−11.4 ptssince 2011
from 71.7% in 2011
US average: 63.5%
Self-employed
9.5%
−0.2 ptssince 2009
from 9.7% in 2009
US average: 13.1%
Management & professional
19.4%
−34.0 ptssince 2009
from 53.4% in 2009
US average: 42.5%
Section 08

People & community

Male
57.5%
+9.2 ptssince 2009
from 48.3% in 2009
Female
42.5%
−9.2 ptssince 2009
from 51.7% in 2009
Foreign born
0.0%
−0.9 ptssince 2009
from 0.9% in 2009
US average: 14.1%
Veterans
6.6%
−40.5 ptssince 2009
from 47.1% in 2009
US average: 6.2%
With a disability
15.8%
+1.8 ptssince 2012
from 14.0% in 2012
US average: 13.3%
Uninsured
4.2%
−77.5 ptssince 2013
from 81.7% in 2013
US average: 8.4%
Broadband at home
90.1%
+9.7 ptssince 2017
from 80.4% in 2017
US average: 91.0%
English only at home
99.6%
+0.5 ptssince 2016
from 99.1% in 2016
US average: 77.7%
Spanish at home
0.4%
+0.2 ptssince 2016
from 0.2% in 2016
US average: 13.6%
Drill deeper

Places similar to Spring Bay

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Pop 497
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Pop 510
Crawfordville
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McIntosh
Pop 551
Places similar to Spring Bay
Head to head

Compare Spring Bay to nearby cities

SPRING BAY VS
Peoria
Income$59,410−3%
Home value$156,200+20%
Population110,920+22583%
SEE FULL COMPARISON →
SPRING BAY VS
Washington
Income$95,179+55%
Home value$221,900+70%
Population15,902+3152%
SEE FULL COMPARISON →
SPRING BAY VS
East Peoria
Income$71,833+17%
Home value$163,500+26%
Population22,088+4417%
SEE FULL COMPARISON →
SPRING BAY VS
Morton
Income$94,402+54%
Home value$239,400+84%
Population17,565+3492%
SEE FULL COMPARISON →
Frequently asked

How many people live in Spring Bay, Illinois?

Spring Bay, Illinois has about 520 residents according to the 2024 American Community Survey.

What is the median household income in Spring Bay, Illinois?

The typical household in Spring Bay, Illinois earns about $61,389 a year. Half of households make more than that, and half make less.

Is Spring Bay, Illinois expensive?

In Spring Bay, Illinois, the median home is worth about $130,200, and the typical rent is about $1,071 a month.

How educated are people in Spring Bay, Illinois?

About 12.7% of adults age 25 and over in Spring Bay, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Spring Bay, Illinois?

About 19.2% of people in Spring Bay, Illinois live below the federal poverty line.

Has Spring Bay, Illinois grown since 1990?

Yes, Spring Bay, Illinois has grown since 1990. The population has added about 97 residents, a change of about 23 percent over that period.

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

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