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CITY · 2020 ACS

St. Peter

Illinois · 322 residents · 0.521 sq mi
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The short version

St. Peter has lower-than-average household income, with a median household income of $50,938. Population has fallen 17% since 2000, a loss of 64 residents. 18% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value is $69,600. Households here earn about 26% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $66,278
Mid-age
median age 39.3
US median: 38.8
Less educated
18% 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
322
−17%since 2000
from 386 in 2000
1990 – 2025
Population density
618 / sq mi
−17%since 2000
from 741 / sq mi in 2000
US average: 280
Median age
39.3
Unchangedsince 2000
from 39.2 in 2000
US average: 38.8
Population, 1990 – 2024
2323043764475191990201020202024St. Peter
2024338
1990201020202024
Section 02

Income & economy

Median household income
$50,938
+8%inflation adjusted, since 2000
from $31,406 in 2000
US average: $66,278
1990 – 2024
Per capita income
$21,471
+41%since 2000
from $15,192 in 2000
US average: $35,364
Households earning $100K+
23.7%
+4.7 ptssince 2009
from 19.0% in 2009
US average: 43.9%
Poverty rate
13.3%
+0.6 ptssince 2000
from 12.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Information19.1%
US avg: 11.1%
Wholesale trade11.5%
US avg: 6.7%
Retail trade8.7%
US avg: 10%
Agriculture, forestry, fishing3.3%
US avg: 1.7%
Construction3.3%
US avg: 1.2%
Finance & insurance3.3%
US avg: 5.5%
Professional, scientific, technical3.3%
US avg: 4.7%
Transportation & warehousing2.7%
US avg: 2.5%
Other services2.7%
US avg: 6.6%
Public administration2.7%
US avg: 4.7%
Manufacturing0%
US avg: 0.5%
Education & health services0%
US avg: 0.8%
Arts, entertainment, food0%
US avg: 2%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$69,600
−3%inflation adjusted, since 2000
from $47,700 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$425
−10%inflation adjusted, since 2000
from $313 in 2000
US average: $1,124
Owner-occupied
83.7%
−6.0 ptssince 2000
from 89.7% in 2000
16.3% rent
Afford Score
1.4
−10%since 2000
from 1.5 in 2000
1990 – 2024
RELATED:See current rent listings in St. Peter on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic99%(382)
Black0%(0)
Hispanic / Latino0%(0)
Asian0.3%(1)
Other0%
Diversity Score0.7%(3)
2020
White, non-Hispanic98.4%(317)
Black0%(0)
Hispanic / Latino0.3%(1)
Asian0%(0)
Other0.2%(1)
Diversity Score1.4%(4)
Diversity Score
1
+108%since 2000
from 1 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
18.3%
+10.1 ptssince 2000
from 8.2% in 2000
US average: 32.9%
High school or higher
93.7%
+19.2 ptssince 2000
from 74.5% in 2000
US average: 88.5%
Graduate degree
5.2%
+2.8 ptssince 2000
from 2.5% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
23.5 min
+41%since 2000
from 16.6 min in 2000
US average: 26.9
Drive alone to work
75.4%
−7.0 ptssince 2009
from 82.4% in 2009
US average: 75.1%
No vehicle available
3.3%
+2.6 ptssince 2009
from 0.7% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
2.1%
−10.8 ptssince 2011
from 13.0% in 2011
US average: 5.4%
Labor force participation
63.6%
−10.3 ptssince 2011
from 74.0% in 2011
US average: 63.4%
Management & professional
21.9%
−24.2 ptssince 2009
from 46.1% in 2009
US average: 39.3%
Section 08

People & community

Male
48.6%
−1.7 ptssince 2009
from 50.3% in 2009
Female
51.4%
+1.7 ptssince 2009
from 49.7% in 2009
Foreign born
3.2%
+3.2 ptssince 2009
from 0.0% in 2009
US average: 13.5%
Uninsured
10.5%
−78.9 ptssince 2013
from 89.4% in 2013
US average: 8.8%
Drill deeper

Places similar to St. Peter

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Pop 320
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Pop 323
Wacissa
Pop 355
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Pop 290
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Head to head

Compare St. Peter to nearby cities

ST. PETER VS
Effingham
Income$72,377+42%
Home value$177,500+155%
Population12,406+3838%
SEE FULL COMPARISON →
ST. PETER VS
Centralia
Income$47,807−6%
Home value$89,600+29%
Population11,863+3666%
SEE FULL COMPARISON →
ST. PETER VS
Mount Vernon
Income$55,357+9%
Home value$99,800+43%
Population14,187+4404%
SEE FULL COMPARISON →
ST. PETER VS
Olney
Income$59,980+18%
Home value$99,800+43%
Population8,347+2550%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Peter, Illinois?

St. Peter, Illinois has about 322 residents according to the 2020 American Community Survey.

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

The typical household in St. Peter, Illinois earns about $50,938 a year. Half of households make more than that, and half make less.

Is St. Peter, Illinois expensive?

In St. Peter, Illinois, the median home is worth about $69,600, and the typical rent is about $425 a month.

How educated are people in St. Peter, Illinois?

About 18.3% of adults age 25 and over in St. Peter, Illinois hold a bachelor's degree or higher.

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

About 13.3% of people in St. Peter, Illinois live below the federal poverty line.

Has St. Peter, Illinois grown since 1990?

Yes, St. Peter, Illinois has shrunk since 1990. The population has lost about 24 residents, a change of about -7 percent over that period.

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

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