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CITY · 2020 ACS

St. Johns

Illinois · 163 residents · 0.725 sq mi
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The short version

St. Johns has notably lower household income than the US average, with a median household income of $37,656. Population has fallen 25% since 2000, a loss of 55 residents. 10% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value is $68,800. With a median age of 48.8, the population is older than the US median of 38.8. Households here earn about 45% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 48.8
US median: 38.8
Less educated
10% 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
163
−25%since 2000
from 218 in 2000
1990 – 2025
Population density
225 / sq mi
−25%since 2000
from 301 / sq mi in 2000
US average: 280
Median age
48.8
+21%since 2000
from 40.2 in 2000
US average: 38.8
Population, 1990 – 2024
1221591962322691990201020202024St. Johns
2024184
1990201020202024
Section 02

Income & economy

Median household income
$37,656
−29%inflation adjusted, since 2000
from $35,455 in 2000
US average: $66,278
1990 – 2024
Per capita income
$24,524
+55%since 2000
from $15,802 in 2000
US average: $35,364
Households earning $100K+
20.7%
+14.8 ptssince 2009
from 5.9% in 2009
US average: 43.9%
Poverty rate
13.8%
+2.3 ptssince 2000
from 11.4% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade15.3%
US avg: 10%
Information9.7%
US avg: 11.1%
Other services6.9%
US avg: 6.6%
Public administration6.9%
US avg: 4.7%
Finance & insurance4.2%
US avg: 5.5%
Transportation & warehousing2.8%
US avg: 2.5%
Professional, scientific, technical2.8%
US avg: 4.7%
Wholesale trade1.4%
US avg: 6.7%
Education & health services1.4%
US avg: 0.8%
Agriculture, forestry, fishing0%
US avg: 1.7%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
Arts, entertainment, food0%
US avg: 2%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$68,800
−1%inflation adjusted, since 2000
from $46,300 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$575
−2%inflation adjusted, since 2000
from $390 in 2000
US average: $1,124
Owner-occupied
76.4%
+3.5 ptssince 2000
from 72.9% in 2000
23.6% rent
Afford Score
1.8
+40%since 2000
from 1.3 in 2000
1990 – 2024
RELATED:See current rent listings in St. Johns on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic92.7%(202)
Black2.8%(6)
Hispanic / Latino0.5%(1)
Asian0.9%(2)
Other0%
Diversity Score10.3%(22)
2020
White, non-Hispanic93.3%(152)
Black1.2%(2)
Hispanic / Latino1.8%(3)
Asian0%(0)
Other4.4%(7)
Diversity Score17.5%(29)
Diversity Score
17
+70%since 2000
from 10 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
9.8%
Unchangedsince 2000
from 9.9% in 2000
US average: 32.9%
High school or higher
87.1%
+6.9 ptssince 2000
from 80.2% in 2000
US average: 88.5%
Graduate degree
3.0%
−0.1 ptssince 2000
from 3.1% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
20.4 min
−7%since 2000
from 21.9 min in 2000
US average: 26.9
Drive alone to work
80.9%
−19.1 ptssince 2009
from 100.0% in 2009
US average: 75.1%
No vehicle available
5.7%
+2.8 ptssince 2009
from 2.9% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
5.3%
−20.0 ptssince 2011
from 25.3% in 2011
US average: 5.4%
Labor force participation
51.4%
−14.1 ptssince 2011
from 65.4% in 2011
US average: 63.4%
Management & professional
18.1%
−36.1 ptssince 2009
from 54.2% in 2009
US average: 39.3%
Section 08

People & community

Male
46.3%
−6.5 ptssince 2009
from 52.7% in 2009
Female
53.8%
+6.5 ptssince 2009
from 47.3% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 13.5%
Uninsured
3.1%
−78.7 ptssince 2013
from 81.8% in 2013
US average: 8.8%
Drill deeper

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Compare St. Johns to nearby cities

ST. JOHNS VS
Herrin
Income$59,975+59%
Home value$113,300+65%
Population12,268+7665%
SEE FULL COMPARISON →
ST. JOHNS VS
Carbondale
Income$32,128−15%
Home value$127,900+86%
Population21,811+13704%
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ST. JOHNS VS
Mount Vernon
Income$55,357+47%
Home value$99,800+45%
Population14,187+8879%
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ST. JOHNS VS
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Income$56,912+51%
Home value$158,300+130%
Population17,148+10753%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Johns, Illinois?

St. Johns, Illinois has about 163 residents according to the 2020 American Community Survey.

What is the median household income in St. Johns, Illinois?

The typical household in St. Johns, Illinois earns about $37,656 a year. Half of households make more than that, and half make less.

Is St. Johns, Illinois expensive?

In St. Johns, Illinois, the median home is worth about $68,800, and the typical rent is about $575 a month.

How educated are people in St. Johns, Illinois?

About 9.8% of adults age 25 and over in St. Johns, Illinois hold a bachelor's degree or higher.

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

About 13.8% of people in St. Johns, Illinois live below the federal poverty line.

Has St. Johns, Illinois grown since 1990?

Yes, St. Johns, Illinois has shrunk since 1990. The population has lost about 80 residents, a change of about -33 percent over that period.

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

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