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CITY · 2000 CENSUS

Mason City

Illinois · 2,558 residents · 1.013 sq mi
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The short version

Mason City has lower-than-average household income, with a median household income of $35,615. Population has held roughly steady since 1990. 11% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has risen by half since 1990, reaching $58,500.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 40.1
US median: 35.2
Less educated
11% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

2,558
+10%since 1990
from 2,316 in 1990
1990 – 2025
2,525 / sq mi
+10%since 1990
from 2,286 / sq mi in 1990
US average: 242
40.1
+5%since 1990
from 38.3 in 1990
US average: 35.2
Population, 19902024
2K2K2K2K3K1990201020202024Mason City
20242K
1990201020202024
Section 02

Income & economy

$35,615
+14%inflation adjusted, since 1990
from $23,630 in 1990
US average: $42,589
1990 – 2024
$18,411
+55%since 1990
from $11,862 in 1990
US average: $21,522
9.3%
−0.5 ptssince 1990
from 9.7% in 1990
US average: 12.4%
Section 03

Housing

$58,500
+15%inflation adjusted, since 1990
from $38,700 in 1990
US average: $120,530
1990 – 2024
$339
−10%inflation adjusted, since 1990
from $285 in 1990
US average: $602
76.8%
−0.9 ptssince 1990
from 77.7% in 1990
23.2% rent
1.6
Unchangedsince 1990
from 1.6 in 1990
1990 – 2024
RELATED:See current rent listings in Mason City on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.4%(2,303)
Black0%(0)
Hispanic / Latino0.4%(9)
Asian0.2%(4)
Diversity Score2.4%(54)
2000
White, non-Hispanic98.9%(2,529)
Black0%(1)
Hispanic / Latino0.6%(15)
Asian0.2%(4)
Diversity Score1.9%(50)
2
−17%since 1990
from 2 in 1990
1990 – 2024
Section 05

Education

11.2%
+1.7 ptssince 1990
from 9.5% in 1990
US average: 24.4%
High school or higher
80.6%
+6.1 ptssince 1990
from 74.6% in 1990
US average: 80.3%
3.8%
+0.5 ptssince 1990
from 3.3% in 1990
US average: 8.8%
Section 06

Commute & transportation

22.4 min
−15%since 1990
from 26.5 min in 1990
US average: 17.6
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 City, Illinois?

Mason City, Illinois has about 2,558 residents according to the 2000 Census.

What is the median household income in Mason City, Illinois?

The typical household in Mason City, Illinois earns about $35,615 a year. Half of households make more than that, and half make less.

Is Mason City, Illinois expensive?

In Mason City, Illinois, the median home is worth about $58,500, and the typical rent is about $339 a month.

How educated are people in Mason City, Illinois?

About 11.2% of adults age 25 and over in Mason City, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Mason City, Illinois?

About 9.3% of people in Mason City, Illinois live below the federal poverty line.

Has Mason City, Illinois grown since 1990?

Yes, Mason City, Illinois has grown since 1990. The population has added about 242 residents, a change of about 10 percent over that period.

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

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