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CITY

Marion

Iowa · 42,732 residents (2025 est.) · 17.867 sq mi
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The short version

Marion has roughly average household income, with a median household income of $86,743. The city has grown rapidly, with population up 59% since 2000. Median home value has more than doubled since 2000, reaching $241,700.

At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 40.6
US median: 38.9
Average education
38% hold a bachelor's degree
US average: 36%
Less affordable
home values up 36%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
41,896
+59%since 2000
from 26,294 in 2000
1990 – 2025
Population density
2,345 / sq mi
+59%since 2000
from 1,472 / sq mi in 2000
US average: 281
Median age
40.6
+16%since 2000
from 35.1 in 2000
US average: 38.9

PEP 2025 EST:42,732 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
18K25K31K38K44K1990201020202024Marion
202442K
1990201020202024
Section 02

Income & economy

Median household income
$86,743
−2%inflation adjusted, since 2000
from $48,591 in 2000
US average: $82,259
1990 – 2024
Per capita income
$43,598
+88%since 2000
from $23,158 in 2000
US average: $44,673
Households earning $100K+
56.7%
+21.8 ptssince 2009
from 34.9% in 2009
US average: 53.3%
Poverty rate
8.1%
+2.9 ptssince 2000
from 5.2% in 2000
US average: 12.5%
Income inequality (Gini)
0.403
−1%since 2010
from 0.405 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade17.4%
US avg: 9.9%
Other services11.3%
US avg: 6.7%
Information11%
US avg: 10.8%
Public administration9.8%
US avg: 4.8%
Wholesale trade6.2%
US avg: 6.9%
Finance & insurance4.2%
US avg: 5.9%
Professional, scientific, technical3.1%
US avg: 5.1%
Arts, entertainment, food2.4%
US avg: 1.9%
Transportation & warehousing1.8%
US avg: 2.2%
Agriculture, forestry, fishing1.2%
US avg: 1.6%
Construction1.2%
US avg: 1.2%
Education & health services1.1%
US avg: 0.9%
Manufacturing0.1%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$241,700
+36%inflation adjusted, since 2000
from $97,800 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$961
+16%inflation adjusted, since 2000
from $456 in 2000
US average: $1,442
Owner-occupied
77.4%
−1.0 ptssince 2000
from 78.3% in 2000
22.6% rent
Vacancy rate
6.2%
+0.4 ptssince 2009
from 5.7% in 2009
US average: 10.0%
Owner cost-burdened
14.3%
−5.2 ptssince 2009
from 19.5% in 2009
US average: 22.9%
Renter cost-burdened
50.9%
+11.2 ptssince 2009
from 39.7% in 2009
US average: 47.4%
Afford Score
2.8
+38%since 2000
from 2.0 in 2000
1990 – 2024
Gentrification Score
52
RELATED:See current rent listings in Marion on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic96.4%(25,357)
Black0.6%(154)
Hispanic / Latino1.1%(289)
Asian0.9%(246)
Other0%
Diversity Score6.5%(1,708)
2024
White, non-Hispanic87.2%(36,526)
Black2.6%(1,078)
Hispanic / Latino2.8%(1,154)
Asian2.1%(895)
Other5.4%(2,243)
Diversity Score29.4%(12,316)
Diversity Score
29
+353%since 2000
from 6 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
38.1%
+9.0 ptssince 2000
from 29.1% in 2000
US average: 35.6%
High school or higher
96.3%
+4.3 ptssince 2000
from 92.0% in 2000
US average: 89.6%
Graduate degree
11.2%
+4.5 ptssince 2000
from 6.7% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
19.2 min
+68%since 2000
from 11.4 min in 2000
US average: 26.5
Drive alone to work
72.0%
−14.3 ptssince 2009
from 86.3% in 2009
US average: 68.9%
Carpooled to work
5.7%
−1.6 ptssince 2009
from 7.3% in 2009
US average: 8.5%
Public transit
0.4%
−0.3 ptssince 2009
from 0.7% in 2009
US average: 3.2%
Worked from home
19.3%
+16.3 ptssince 2009
from 3.0% in 2009
US average: 15.0%
Walked to work
0.9%
−0.9 ptssince 2009
from 1.8% in 2009
US average: 2.4%
Biked to work
0.2%
−0.2 ptssince 2009
from 0.4% in 2009
US average: 0.4%
No vehicle available
4.8%
−0.1 ptssince 2009
from 4.9% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.6%
−1.4 ptssince 2011
from 5.0% in 2011
US average: 5.2%
Labor force participation
68.1%
−4.3 ptssince 2011
from 72.4% in 2011
US average: 63.5%
Self-employed
12.2%
+2.0 ptssince 2009
from 10.2% in 2009
US average: 13.1%
Management & professional
47.4%
−20.5 ptssince 2009
from 68.0% in 2009
US average: 42.5%
Section 08

People & community

Male
46.6%
−3.2 ptssince 2009
from 49.8% in 2009
Female
53.4%
+3.2 ptssince 2009
from 50.2% in 2009
Foreign born
3.4%
+1.1 ptssince 2009
from 2.3% in 2009
US average: 14.1%
Veterans
6.2%
−42.3 ptssince 2009
from 48.5% in 2009
US average: 6.2%
With a disability
12.9%
+3.9 ptssince 2012
from 9.0% in 2012
US average: 13.3%
Uninsured
3.7%
−89.4 ptssince 2013
from 93.1% in 2013
US average: 8.4%
Broadband at home
92.9%
+12.5 ptssince 2017
from 80.4% in 2017
US average: 91.0%
English only at home
96.3%
−0.9 ptssince 2016
from 97.2% in 2016
US average: 77.7%
Spanish at home
1.3%
+0.3 ptssince 2016
from 1.0% in 2016
US average: 13.6%
Drill deeper

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MARION VS
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MARION VS
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Frequently asked

How many people live in Marion, Iowa?

Marion, Iowa has about 41,896 residents according to the 2024 American Community Survey.

What is the median household income in Marion, Iowa?

The typical household in Marion, Iowa earns about $86,743 a year. Half of households make more than that, and half make less.

Is Marion, Iowa expensive?

In Marion, Iowa, the median home is worth about $241,700, and the typical rent is about $961 a month.

How educated are people in Marion, Iowa?

About 38.1% of adults age 25 and over in Marion, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Marion, Iowa?

About 8.1% of people in Marion, Iowa live below the federal poverty line.

Has Marion, Iowa grown since 1990?

Yes, Marion, Iowa has grown since 1990. The population has added about 21,493 residents, a change of about 105 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 →