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CITY · 2000 CENSUS

Diagonal

Iowa · 312 residents · 0.913 sq mi
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The short version

Diagonal has notably lower household income than the US average, with a median household income of $24,063. Population has held roughly steady since 1990. 7% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value is $20,700. Households here earn about 39% less than the Iowa median.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 40.0
US median: 35.2
Less educated
7% 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

312
+2%since 1990
from 307 in 1990
1990 – 2025
342 / sq mi
+2%since 1990
from 336 / sq mi in 1990
US average: 242
40.0
−3%since 1990
from 41.4 in 1990
US average: 35.2
Population, 19902024
2523213914605291990201020202024Diagonal
2024454
1990201020202024
Section 02

Income & economy

$24,063
+31%inflation adjusted, since 1990
from $13,958 in 1990
US average: $42,589
1990 – 2024
$16,601
+105%since 1990
from $8,097 in 1990
US average: $21,522
15.8%
−8.6 ptssince 1990
from 24.4% in 1990
US average: 12.4%
Section 03

Housing

$20,700
+5%inflation adjusted, since 1990
from $14,999 in 1990
US average: $120,530
1990 – 2024
$290
−16%inflation adjusted, since 1990
from $263 in 1990
US average: $602
78.4%
−5.0 ptssince 1990
from 83.5% in 1990
21.6% rent
0.9
−20%since 1990
from 1.1 in 1990
1990 – 2024
RELATED:See current rent listings in Diagonal on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.3%(305)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Diversity Score1.6%(5)
2000
White, non-Hispanic100%(312)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Diversity Score0%(0)
0
−100%since 1990
from 2 in 1990
1990 – 2024
Section 05

Education

6.7%
+2.3 ptssince 1990
from 4.4% in 1990
US average: 24.4%
High school or higher
82.4%
+10.4 ptssince 1990
from 72.0% in 1990
US average: 80.3%
0.5%
−0.4 ptssince 1990
from 0.9% in 1990
US average: 8.8%
Section 06

Commute & transportation

17.0 min
−1%since 1990
from 17.2 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 Diagonal, Iowa?

Diagonal, Iowa has about 312 residents according to the 2000 Census.

What is the median household income in Diagonal, Iowa?

The typical household in Diagonal, Iowa earns about $24,063 a year. Half of households make more than that, and half make less.

Is Diagonal, Iowa expensive?

In Diagonal, Iowa, the median home is worth about $20,700, and the typical rent is about $290 a month.

How educated are people in Diagonal, Iowa?

About 6.7% of adults age 25 and over in Diagonal, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Diagonal, Iowa?

About 15.8% of people in Diagonal, Iowa live below the federal poverty line.

Has Diagonal, Iowa grown since 1990?

Yes, Diagonal, Iowa has grown since 1990. The population has added about 5 residents, a change of about 2 percent over that period.

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

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