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CITY · 1990 CENSUS

Mason

Illinois · 380 residents · 1.287 sq mi
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The short version

Mason has notably lower household income than the US average, with a median household income of $21,875. Population has declined 4% since 2000. 1% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $25,200. Households here earn about 32% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 30.9
US median: 33.0
Less educated
1% hold a bachelor's degree
US average: 20%
More affordable
home values down 13%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

380
−4%vs 2000
vs 396 in 2000
1990 – 2025
295 / sq mi
−4%vs 2000
vs 308 / sq mi in 2000
US average: 221
30.9
−13%vs 2000
vs 35.3 in 2000
US average: 33.0
Population, 19902024
2373003634254881990201020202024Mason
2024467
1990201020202024
Section 02

Income & economy

$21,875
−29%inflation adjusted, since 2000
vs $40,441 in 2000
US average: $30,130
1990 – 2024
$8,615
−36%vs 2000
vs $13,392 in 2000
US average: $14,340
15.1%
+9.0 ptsvs 2000
vs 6.1% in 2000
US average: 13.2%
Section 03

Housing

$25,200
−13%inflation adjusted, since 2000
vs $38,100 in 2000
US average: $93,722
1990 – 2024
$317
+29%inflation adjusted, since 2000
vs $325 in 2000
US average: $450
84.1%
−4.4 ptsvs 2000
vs 88.4% in 2000
15.9% rent
1.2
+22%vs 2000
vs 0.9 in 2000
1990 – 2024
RELATED:See current rent listings in Mason on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97%(384)
Black0%(0)
Hispanic / Latino2.3%(9)
Asian0%(0)
Other0%
Diversity Score5.6%(22)
1990
White, non-Hispanic100%(380)
Black0%(0)
Hispanic / Latino0.3%(1)
Asian0%(0)
Other0%(0)
Diversity Score0.7%(2)
1
−88%vs 2000
vs 6 in 2000
1990 – 2024
Section 05

Education

0.9%
−3.6 ptsvs 2000
vs 4.5% in 2000
US average: 20.3%
High school or higher
51.8%
−19.1 ptsvs 2000
vs 70.9% in 2000
US average: 75.2%
0.0%
−0.7 ptsvs 2000
vs 0.7% in 2000
US average: 7.1%
Section 06

Commute & transportation

22.6 min
+74%vs 2000
vs 13.0 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Mason, Illinois?

Mason, Illinois has about 380 residents according to the 1990 Census.

What is the median household income in Mason, Illinois?

The typical household in Mason, Illinois earns about $21,875 a year. Half of households make more than that, and half make less.

Is Mason, Illinois expensive?

In Mason, Illinois, the median home is worth about $25,200, and the typical rent is about $317 a month.

How educated are people in Mason, Illinois?

About 0.9% of adults age 25 and over in Mason, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Mason, Illinois?

About 15.1% of people in Mason, Illinois live below the federal poverty line.

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

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