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CITY

Sauk

Illinois · 9,624 residents (2025 est.) · 3.992 sq mi
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The short version

Sauk has lower-than-average household income, with a median household income of $69,973. Population has declined 7% since 2000. 20% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $110,800. At a median age of 33.3, residents skew younger than the country as a whole.

At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 33.3
US median: 38.9
Less educated
20% hold a bachelor's degree
US average: 36%
More affordable
home values down 19%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
9,678
−7%since 2000
from 10,411 in 2000
1990 – 2025
Population density
2,424 / sq mi
−7%since 2000
from 2,608 / sq mi in 2000
US average: 281
Median age
33.3
+11%since 2000
from 30.1 in 2000
US average: 38.9

PEP 2025 EST:9,624 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
10K10K10K10K11K1990201020202024Sauk
202410K
1990201020202024
Section 02

Income & economy

Median household income
$69,973
−18%inflation adjusted, since 2000
from $46,718 in 2000
US average: $82,259
1990 – 2024
Per capita income
$25,779
+55%since 2000
from $16,598 in 2000
US average: $44,673
Households earning $100K+
47.2%
+19.0 ptssince 2009
from 28.3% in 2009
US average: 53.3%
Poverty rate
17.6%
+8.0 ptssince 2000
from 9.6% in 2000
US average: 12.5%
Income inequality (Gini)
0.404
−2%since 2010
from 0.412 in 2010
US average: 0.476
Workforce by industry, 2024
Finance & insurance16%
US avg: 5.9%
Professional, scientific, technical15.1%
US avg: 5.1%
Information12.7%
US avg: 10.8%
Retail trade8%
US avg: 9.9%
Other services4.5%
US avg: 6.7%
Public administration3.6%
US avg: 4.8%
Wholesale trade3.6%
US avg: 6.9%
Transportation & warehousing1.5%
US avg: 2.2%
Arts, entertainment, food1%
US avg: 1.9%
Agriculture, forestry, fishing1%
US avg: 1.6%
Construction1%
US avg: 1.2%
Education & health services0.9%
US avg: 0.9%
Manufacturing0%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$110,800
−19%inflation adjusted, since 2000
from $75,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,502
+15%inflation adjusted, since 2000
from $716 in 2000
US average: $1,442
Owner-occupied
64.6%
−16.5 ptssince 2000
from 81.1% in 2000
35.4% rent
Vacancy rate
15.5%
+5.8 ptssince 2009
from 9.7% in 2009
US average: 10.0%
Owner cost-burdened
35.0%
+5.7 ptssince 2009
from 29.2% in 2009
US average: 22.9%
Renter cost-burdened
54.9%
−13.5 ptssince 2009
from 68.4% in 2009
US average: 47.4%
Afford Score
1.6
−2%since 2000
from 1.6 in 2000
1990 – 2024
Gentrification Score
31
RELATED:See current rent listings in Sauk on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic53.2%(5,540)
Black32.1%(3,338)
Hispanic / Latino11.8%(1,224)
Asian0.7%(68)
Other0%
Diversity Score72.6%(7,561)
2024
White, non-Hispanic14.2%(1,376)
Black61.9%(5,992)
Hispanic / Latino14.7%(1,418)
Asian0%(0)
Other9.2%(892)
Diversity Score70.8%(6,853)
Diversity Score
71
−2%since 2000
from 73 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
20.0%
+11.4 ptssince 2000
from 8.6% in 2000
US average: 35.6%
High school or higher
91.2%
+11.6 ptssince 2000
from 79.7% in 2000
US average: 89.6%
Graduate degree
7.5%
+5.5 ptssince 2000
from 2.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
35.2 min
+41%since 2000
from 25.0 min in 2000
US average: 26.5
Drive alone to work
77.3%
−3.8 ptssince 2009
from 81.1% in 2009
US average: 68.9%
Carpooled to work
2.8%
−10.5 ptssince 2009
from 13.4% in 2009
US average: 8.5%
Public transit
5.3%
+1.9 ptssince 2009
from 3.4% in 2009
US average: 3.2%
Worked from home
8.1%
+6.8 ptssince 2009
from 1.2% in 2009
US average: 15.0%
Walked to work
4.5%
+4.0 ptssince 2009
from 0.5% 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%
−1.6 ptssince 2009
from 7.3% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
12.6%
−4.2 ptssince 2011
from 16.8% in 2011
US average: 5.2%
Labor force participation
63.9%
−4.0 ptssince 2011
from 67.8% in 2011
US average: 63.5%
Self-employed
12.7%
Unchangedsince 2009
from 12.7% in 2009
US average: 13.1%
Management & professional
29.2%
−27.5 ptssince 2009
from 56.6% in 2009
US average: 42.5%
Section 08

People & community

Male
43.8%
−5.6 ptssince 2009
from 49.4% in 2009
Female
56.2%
+5.6 ptssince 2009
from 50.6% in 2009
Foreign born
5.5%
+2.9 ptssince 2009
from 2.6% in 2009
US average: 14.1%
Veterans
3.7%
−45.2 ptssince 2009
from 49.0% in 2009
US average: 6.2%
With a disability
16.7%
+5.5 ptssince 2012
from 11.2% in 2012
US average: 13.3%
Uninsured
10.7%
−71.0 ptssince 2013
from 81.7% in 2013
US average: 8.4%
Broadband at home
92.1%
+21.2 ptssince 2017
from 70.9% in 2017
US average: 91.0%
English only at home
88.9%
−3.6 ptssince 2016
from 92.4% in 2016
US average: 77.7%
Spanish at home
10.7%
+6.0 ptssince 2016
from 4.7% in 2016
US average: 13.6%
Drill deeper

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Frequently asked

How many people live in Sauk, Illinois?

Sauk, Illinois has about 9,678 residents according to the 2024 American Community Survey.

What is the median household income in Sauk, Illinois?

The typical household in Sauk, Illinois earns about $69,973 a year. Half of households make more than that, and half make less.

Is Sauk, Illinois expensive?

In Sauk, Illinois, the median home is worth about $110,800, and the typical rent is about $1,502 a month.

How educated are people in Sauk, Illinois?

About 20.0% of adults age 25 and over in Sauk, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Sauk, Illinois?

About 17.6% of people in Sauk, Illinois live below the federal poverty line.

Has Sauk, Illinois grown since 1990?

Yes, Sauk, Illinois has shrunk since 1990. The population has lost about 248 residents, a change of about -2 percent over that period.

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

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