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CITY · 2000 CENSUS

Marengo

Iowa · 2,535 residents · 2.115 sq mi
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The short version

Marengo has lower-than-average household income, with a median household income of $36,509. Population has held roughly steady since 1990. 9% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has more than doubled since 1990, reaching $71,800.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 38.2
US median: 35.2
Less educated
9% hold a bachelor's degree
US average: 24%
Less affordable
home values up 48%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

2,535
+12%since 1990
from 2,270 in 1990
1990 – 2025
1,199 / sq mi
+12%since 1990
from 1,073 / sq mi in 1990
US average: 242
38.2
−1%since 1990
from 38.8 in 1990
US average: 35.2
Population, 19902024
2K2K3K3K3K1990201020202024Marengo
20243K
1990201020202024
Section 02

Income & economy

$36,509
+20%inflation adjusted, since 1990
from $23,146 in 1990
US average: $42,589
1990 – 2024
$17,425
+49%since 1990
from $11,695 in 1990
US average: $21,522
7.3%
−3.5 ptssince 1990
from 10.8% in 1990
US average: 12.4%
Section 03

Housing

$71,800
+48%inflation adjusted, since 1990
from $36,900 in 1990
US average: $120,530
1990 – 2024
$387
+5%inflation adjusted, since 1990
from $280 in 1990
US average: $602
72.5%
−1.6 ptssince 1990
from 74.0% in 1990
27.5% rent
2.0
+23%since 1990
from 1.6 in 1990
1990 – 2024
RELATED:See current rent listings in Marengo on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98.9%(2,245)
Black0.3%(6)
Hispanic / Latino0%(0)
Asian0.7%(15)
Diversity Score2.7%(62)
2000
White, non-Hispanic97.4%(2,470)
Black0.3%(7)
Hispanic / Latino1.1%(29)
Asian0.7%(17)
Diversity Score5.2%(131)
5
+89%since 1990
from 3 in 1990
1990 – 2024
Section 05

Education

9.2%
−2.0 ptssince 1990
from 11.1% in 1990
US average: 24.4%
High school or higher
86.5%
+10.4 ptssince 1990
from 76.1% in 1990
US average: 80.3%
3.0%
−0.8 ptssince 1990
from 3.8% in 1990
US average: 8.8%
Section 06

Commute & transportation

14.8 min
−20%since 1990
from 18.4 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 Marengo, Iowa?

Marengo, Iowa has about 2,535 residents according to the 2000 Census.

What is the median household income in Marengo, Iowa?

The typical household in Marengo, Iowa earns about $36,509 a year. Half of households make more than that, and half make less.

Is Marengo, Iowa expensive?

In Marengo, Iowa, the median home is worth about $71,800, and the typical rent is about $387 a month.

How educated are people in Marengo, Iowa?

About 9.2% of adults age 25 and over in Marengo, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Marengo, Iowa?

About 7.3% of people in Marengo, Iowa live below the federal poverty line.

Has Marengo, Iowa grown since 1990?

Yes, Marengo, Iowa has grown since 1990. The population has added about 265 residents, a change of about 12 percent over that period.

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

How we source and harmonize this data →