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CITY

St. Augustine

Illinois · 113 residents (2025 est.) · 0.593 sq mi
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Part of the Galesburg micropolitan area
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The short version

Population has fallen 39% since 2000, a loss of 60 residents. 5% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $49,000. With a median age of 60.3, the population is older than the US median of 38.9. The poverty rate of 23.9% is well above the national figure.

At a glance
Older
median age 60.3
US median: 38.9
Less educated
5% hold a bachelor's degree
US average: 36%
More affordable
home values down 32%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
92
−39%since 2000
from 152 in 2000
1990 – 2025
Population density
155 / sq mi
−39%since 2000
from 256 / sq mi in 2000
US average: 281
Median age
60.3
+28%since 2000
from 47.0 in 2000
US average: 38.9

PEP 2025 EST:113 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
851061281501711990201020202024St. Augustine
202492
1990201020202024
Section 02

Income & economy

Per capita income
$34,629
+123%since 2000
from $15,549 in 2000
US average: $44,673
Households earning $100K+
22.2%
+16.0 ptssince 2009
from 6.3% in 2009
US average: 53.3%
Poverty rate
23.9%
+18.3 ptssince 2000
from 5.6% in 2000
US average: 12.5%
Income inequality (Gini)
0.536
+65%since 2010
from 0.324 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing15.4%
US avg: 1.6%
Construction15.4%
US avg: 1.2%
Finance & insurance15.4%
US avg: 5.9%
Information11.5%
US avg: 10.8%
Retail trade7.7%
US avg: 9.9%
Professional, scientific, technical7.7%
US avg: 5.1%
Education & health services7.7%
US avg: 0.9%
Manufacturing0%
US avg: 0.4%
Wholesale trade0%
US avg: 6.9%
Transportation & warehousing0%
US avg: 2.2%
Arts, entertainment, food0%
US avg: 1.9%
Other services0%
US avg: 6.7%
Public administration0%
US avg: 4.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$49,000
−32%inflation adjusted, since 2000
from $39,300 in 2000
US average: $376,019
1990 – 2024
Owner-occupied
87.3%
−5.3 ptssince 2000
from 92.6% in 2000
12.7% rent
Vacancy rate
3.1%
+3.1 ptssince 2009
from 0.0% in 2009
US average: 10.0%
Owner cost-burdened
30.9%
+19.0 ptssince 2009
from 11.9% in 2009
US average: 22.9%
Renter cost-burdened
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 47.4%
RELATED:See current rent listings in St. Augustine on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic100%(152)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%
Diversity Score0%(0)
2024
White, non-Hispanic98.9%(91)
Black0%(0)
Hispanic / Latino1.1%(1)
Asian0%(0)
Other0%(0)
Diversity Score2.7%(2)
Diversity Score
3
from 0 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
4.8%
−2.7 ptssince 2000
from 7.4% in 2000
US average: 35.6%
High school or higher
95.2%
+13.4 ptssince 2000
from 81.8% in 2000
US average: 89.6%
Graduate degree
1.2%
+1.2 ptssince 2000
from 0.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
33.8 min
+136%since 2000
from 14.3 min in 2000
US average: 26.5
Drive alone to work
76.9%
−10.3 ptssince 2009
from 87.3% in 2009
US average: 68.9%
Carpooled to work
0.0%
−9.1 ptssince 2009
from 9.1% in 2009
US average: 8.5%
Public transit
3.8%
+3.8 ptssince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 15.0%
Walked to work
11.5%
+7.9 ptssince 2009
from 3.6% in 2009
US average: 2.4%
Biked to work
7.7%
+7.7 ptssince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
12.7%
+4.9 ptssince 2009
from 7.8% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.7%
−6.5 ptssince 2011
from 10.2% in 2011
US average: 5.2%
Labor force participation
31.0%
−21.1 ptssince 2011
from 52.1% in 2011
US average: 63.5%
Self-employed
7.7%
−8.1 ptssince 2009
from 15.8% in 2009
US average: 13.1%
Management & professional
26.9%
−41.5 ptssince 2009
from 68.4% in 2009
US average: 42.5%
Section 08

People & community

Male
58.7%
+16.0 ptssince 2009
from 42.7% in 2009
Female
41.3%
−16.0 ptssince 2009
from 57.3% in 2009
Foreign born
1.1%
+1.1 ptssince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
17.2%
−21.6 ptssince 2009
from 38.8% in 2009
US average: 6.2%
With a disability
37.0%
+10.7 ptssince 2012
from 26.3% in 2012
US average: 13.3%
Uninsured
0.0%
−68.7 ptssince 2013
from 68.7% in 2013
US average: 8.4%
Broadband at home
76.2%
+28.7 ptssince 2017
from 47.5% in 2017
US average: 91.0%
English only at home
98.9%
−1.1 ptssince 2016
from 100.0% in 2016
US average: 77.7%
Spanish at home
1.1%
+1.1 ptssince 2016
from 0.0% in 2016
US average: 13.6%
Drill deeper

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Head to head

Compare St. Augustine to nearby cities

ST. AUGUSTINE VS
Galesburg
Income$48,297
Home value$96,400+97%
Population28,581+25193%
SEE FULL COMPARISON →
ST. AUGUSTINE VS
Monmouth
Income$61,138
Home value$86,800+77%
Population8,599+7510%
SEE FULL COMPARISON →
ST. AUGUSTINE VS
Canton
Income$53,254
Home value$107,100+119%
Population13,297+11667%
SEE FULL COMPARISON →
ST. AUGUSTINE VS
Macomb
Income$44,411
Home value$103,300+111%
Population14,530+12758%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Augustine, Illinois?

St. Augustine, Illinois has about 92 residents according to the 2024 American Community Survey.

Is St. Augustine, Illinois expensive?

In St. Augustine, Illinois, the median home is worth about $49,000.

How educated are people in St. Augustine, Illinois?

About 4.8% of adults age 25 and over in St. Augustine, Illinois hold a bachelor's degree or higher.

What is the poverty rate in St. Augustine, Illinois?

About 23.9% of people in St. Augustine, Illinois live below the federal poverty line.

Has St. Augustine, Illinois grown since 1990?

Yes, St. Augustine, Illinois has shrunk since 1990. The population has lost about 72 residents, a change of about -44 percent over that period.

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

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