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CITY · 2020 ACS

Thayer

Illinois · 632 residents · 0.61 sq mi
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The short version

Thayer has lower-than-average household income, with a median household income of $51,806. Population has fallen 16% since 2000, a loss of 118 residents. 17% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value is $78,200. Poverty is rare here, at 5.9% of residents.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 41.6
US median: 38.8
Less educated
17% hold a bachelor's degree
US average: 33%
More affordable
home values down 13%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
632
−16%since 2000
from 750 in 2000
1990 – 2025
Median age
41.6
+28%since 2000
from 32.6 in 2000
US average: 38.8
Population, 1990 – 2024
5065826597358121990201020202024Thayer
2024531
1990201020202024
Age distribution, 2020
Under 55.7%(36)
US avg: 5.6%
5 to 95.2%(33)
US avg: 6.1%
10 to 145.5%(35)
US avg: 6.5%
15 to 196.2%(39)
US avg: 6.6%
20 to 244.7%(30)
US avg: 6.7%
25 to 3412%(76)
US avg: 13.5%
35 to 4413.9%(88)
US avg: 12.7%
45 to 5411.2%(71)
US avg: 12.3%
55 to 6416.3%(103)
US avg: 13.1%
65 to 7410.3%(65)
US avg: 10%
75 to 847%(44)
US avg: 4.9%
85 and over1.9%(12)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$51,806
−18%inflation adjusted, since 2000
from $42,031 in 2000
US average: $66,278
1990 – 2024
Per capita income
$32,231
+54%since 2000
from $20,933 in 2000
US average: $35,364
Households earning $100K+
34.5%
+1.0 ptssince 2009
from 33.5% in 2009
US average: 43.9%
Poverty rate
5.9%
+0.8 ptssince 2000
from 5.1% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade13.5%
US avg: 10%
Other services12.9%
US avg: 6.6%
Public administration12.1%
US avg: 4.7%
Information7.7%
US avg: 11.1%
Finance & insurance7.7%
US avg: 5.5%
Professional, scientific, technical5.8%
US avg: 4.7%
Wholesale trade4.4%
US avg: 6.7%
Arts, entertainment, food3.6%
US avg: 2%
Education & health services1.9%
US avg: 0.8%
Transportation & warehousing1.7%
US avg: 2.5%
Agriculture, forestry, fishing0.8%
US avg: 1.7%
Construction0.8%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$78,200
−13%inflation adjusted, since 2000
from $59,500 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$730
−7%inflation adjusted, since 2000
from $521 in 2000
US average: $1,124
Owner-occupied
77.7%
−10.3 ptssince 2000
from 88.0% in 2000
22.3% rent
Afford Score
1.5
+2%since 2009
from 1.5 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Thayer on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.8%(741)
Black0.1%(1)
Hispanic / Latino0.8%(6)
Asian0%(0)
Other0%
2020
White, non-Hispanic94.3%(596)
Black0.6%(4)
Hispanic / Latino0.9%(6)
Asian0%(0)
Other2.7%(17)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Ancestry
German20.7%(129)
English14.1%(88)
Irish11.3%(70)
Dutch4.2%(26)
Hungarian3.9%(24)
Italian3.7%(23)
Slovak3.4%(21)
American3.1%(19)
French1.4%(9)
Austrian0.8%(5)
+ 7 more ancestry groups with data
Croatian0.8%(5)
Polish0.8%(5)
Czech0.5%(3)
Norwegian0.5%(3)
Danish0.3%(2)
Welsh0.3%(2)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest Dutch population · Largest Hungarian population
Section 05

Education

Bachelor's degree or higher
17.4%
+6.0 ptssince 2000
from 11.4% in 2000
US average: 32.9%
High school or higher
98.5%
+18.4 ptssince 2000
from 80.2% in 2000
US average: 88.5%
Graduate degree
3.1%
+0.6 ptssince 2000
from 2.5% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
24.9 min
+28%since 2000
from 19.5 min in 2000
US average: 26.9
Drive alone to work
88.2%
+4.5 ptssince 2009
from 83.7% in 2009
US average: 75.1%
No vehicle available
1.9%
+0.5 ptssince 2009
from 1.4% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
1.6%
−9.5 ptssince 2011
from 11.1% in 2011
US average: 5.4%
Labor force participation
69.4%
−1.1 ptssince 2011
from 70.5% in 2011
US average: 63.4%
Management & professional
32.5%
−24.1 ptssince 2009
from 56.6% in 2009
US average: 39.3%
Section 08

People & community

Male
53.2%
+4.6 ptssince 2009
from 48.6% in 2009
Female
46.8%
−4.6 ptssince 2009
from 51.4% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 13.5%
Uninsured
2.4%
−82.5 ptssince 2013
from 84.9% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married27%(57)
Married52.1%(110)
Widowed1.9%(4)
Divorced19%(40)
Women 15+
Never married22.8%(56)
Married48.8%(120)
Widowed10.2%(25)
Divorced18.3%(45)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Compare Thayer to nearby cities

THAYER VS
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Income$106,773+106%
Home value$243,200+211%
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THAYER VS
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Home value$162,100+107%
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THAYER VS
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THAYER VS
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Home value$128,200+64%
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Frequently asked

How many people live in Thayer, Illinois?

Thayer, Illinois has about 632 residents according to the 2020 American Community Survey.

What is the median household income in Thayer, Illinois?

The typical household in Thayer, Illinois earns about $51,806 a year. Half of households make more than that, and half make less.

Is Thayer, Illinois expensive?

In Thayer, Illinois, the median home is worth about $78,200, and the typical rent is about $730 a month.

How educated are people in Thayer, Illinois?

About 17.4% of adults age 25 and over in Thayer, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Thayer, Illinois?

About 5.9% of people in Thayer, Illinois live below the federal poverty line.

Has Thayer, Illinois grown since 1990?

Yes, Thayer, Illinois has shrunk since 1990. The population has lost about 103 residents, a change of about -14 percent over that period.

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

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