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COUNTY

Marshall County

Iowa · 39,890 residents (2025 est.) · 573 sq mi
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The short version

Marshall County is a county of 40,114 people in Iowa. Few US counties rank higher on income. Four-year degrees are less common here than nationally, at 23% of adults. The typical home is worth $145,500, having more than doubled since 2000. 75% of homes are owner-occupied. Renters pay $885 a month at the median.

At a glance
Lower income
below the US median
US median: $82,259
Mid-age
median age 38.5
US median: 38.9
Less educated
23% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
40,114
+2%since 2000
from 39,311 in 2000
39,890 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
70 / sq mi
+3%since 2009
from 68 / sq mi in 2009
US average: 281
Median age
38.5
Unchangedsince 2000
from 38.6 in 2000
US average: 38.9
Land area
573 sq mi
Population, 1990 – 2024
38K39K40K40K41K19902000201020202024Marshall County
202440K
1990201020202024
Age distribution, 2024
Under 55.8%(2,338)
US avg: 5.6%
5 to 96.5%(2,619)
US avg: 6%
10 to 148.2%(3,277)
US avg: 6.4%
15 to 197.5%(2,992)
US avg: 6.6%
20 to 246%(2,387)
US avg: 6.5%
25 to 3411.5%(4,598)
US avg: 13.7%
35 to 4412.3%(4,952)
US avg: 13.2%
45 to 5411.2%(4,480)
US avg: 12.2%
55 to 6412.9%(5,170)
US avg: 12.7%
65 to 7410.9%(4,354)
US avg: 10.2%
75 to 844.7%(1,878)
US avg: 5.1%
85 and over2.7%(1,069)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$73,315
+5%inflation adjusted, since 2000
from $38,268 in 2000
US average: $82,259
1990 – 2024
Per capita income
$33,544
+75%since 2000
from $19,176 in 2000
US average: $44,673
Households earning $100K+
48.8%
+27.0 ptssince 2009
from 21.9% in 2009
US average: 53.3%
Poverty rate
11.2%
+0.9 ptssince 2000
from 10.2% in 2000
US average: 12.5%
Income inequality (Gini)
0.385
−5%since 2010
from 0.405 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade23.9%
US avg: 9.9%
Information11.7%
US avg: 10.8%
Wholesale trade7.3%
US avg: 6.9%
Finance & insurance4.5%
US avg: 5.9%
Agriculture, forestry, fishing4%
US avg: 1.6%
Other services3.9%
US avg: 6.7%
Professional, scientific, technical3.5%
US avg: 5.1%
Construction3.5%
US avg: 1.2%
Public administration2.8%
US avg: 4.8%
Transportation & warehousing2.1%
US avg: 2.2%
Education & health services1%
US avg: 0.9%
Arts, entertainment, food0.9%
US avg: 1.9%
Manufacturing0.5%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$145,500
+13%inflation adjusted, since 2000
from $70,900 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$885
+6%inflation adjusted, since 2000
from $458 in 2000
US average: $1,442
Owner-occupied
75.0%
+1.3 ptssince 2000
from 73.7% in 2000
25.0% rent
Vacancy rate
8.5%
+0.5 ptssince 2009
from 8.0% in 2009
US average: 10.0%
Persons per household
2.51 people
+5%since 2009
from 2.39 people in 2009
US average: 2.54
Owner cost-burdened
18.7%
−3.7 ptssince 2009
from 22.4% in 2009
US average: 22.9%
Renter cost-burdened
29.8%
−10.2 ptssince 2009
from 40.0% in 2009
US average: 47.4%
Afford Score
2.0
−7%since 2009
from 2.1 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
40
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic88.1%(34,640)
Black0.9%(348)
Hispanic / Latino9%(3,523)
Asian0.8%(307)
Other0%
2024
White, non-Hispanic66%(26,461)
Black1.6%(624)
Hispanic / Latino24.6%(9,875)
Asian4.1%(1,631)
Other3.8%(1,523)
Diversity Score
63
+66%since 2009
from 38 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
42
+12%since 2020
from 37 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican21.2%(8,490)
Guatemalan0.7%(273)
Dominican0.6%(241)
Puerto Rican0.4%(164)
Salvadoran0.3%(121)
Honduran0.3%(101)
Cuban0.2%(76)
Peruvian0.1%(57)
Panamanian0.1%(43)
+ 1 more hispanic origin group with data
Asian origin
Burmese2.8%(1,105)
Vietnamese0.5%(212)
Thai0.2%(64)
Filipino0.1%(59)
Chinese0.1%(28)
Korean0.1%(23)
Asian Indian0.1%(21)
Laotian0%(6)
Pacific Islander origin
Samoan0%(15)
Ancestry
German23.2%(9,300)
Irish9.5%(3,811)
English8.9%(3,581)
American4.1%(1,661)
Norwegian3.2%(1,268)
Czech1.5%(586)
French1.4%(543)
Dutch1.1%(451)
Scottish1.1%(437)
Swedish0.8%(332)
Danish0.8%(327)
+ 27 more ancestry groups with data
Italian0.7%(296)
Scotch-Irish0.6%(234)
Polish0.5%(190)
Arab0.4%(152)
Moroccan0.3%(140)
Swiss0.3%(133)
British0.3%(129)
Welsh0.3%(127)
West Indian0.1%(59)
Kenyan0.1%(52)
Portuguese0.1%(51)
Australian0.1%(42)
Finnish0.1%(38)
Nigerian0.1%(31)
Canadian0.1%(24)
Russian0.1%(22)
Greek0%(16)
Slovak0%(14)
Lebanese0%(12)
Ukrainian0%(11)
Slovene0%(5)
Serbian0%(3)
Somali0%(1)
Section 05

Education

Bachelor's degree or higher
22.6%
+5.5 ptssince 2000
from 17.0% in 2000
US average: 35.6%
High school or higher
86.9%
+4.6 ptssince 2000
from 82.3% in 2000
US average: 89.6%
Graduate degree
7.4%
+2.9 ptssince 2000
from 4.5% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
19.9 min
+58%since 2000
from 12.6 min in 2000
US average: 26.5
Drive alone to work
77.0%
−1.8 ptssince 2009
from 78.8% in 2009
US average: 68.9%
Carpooled to work
12.4%
Unchangedsince 2009
from 12.4% in 2009
US average: 8.5%
Public transit
0.0%
−0.5 ptssince 2009
from 0.5% in 2009
US average: 3.2%
Worked from home
7.1%
+3.4 ptssince 2009
from 3.7% in 2009
US average: 15.0%
Walked to work
2.9%
−0.2 ptssince 2009
from 3.1% in 2009
US average: 2.4%
Biked to work
0.1%
−0.4 ptssince 2009
from 0.6% in 2009
US average: 0.4%
No vehicle available
5.5%
−0.5 ptssince 2009
from 6.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
4.3%
−2.9 ptssince 2011
from 7.1% in 2011
US average: 5.2%
Labor force participation
66.7%
+2.6 ptssince 2011
from 64.2% in 2011
US average: 63.5%
Women 20-64 in the labor force
79.4%
+3.5 ptssince 2020
from 75.9% in 2020
US average: 74.6%
Self-employed
14.1%
−0.8 ptssince 2009
from 14.9% in 2009
US average: 13.1%
Management & professional
30.0%
+1.5 ptssince 2009
from 28.5% in 2009
US average: 42.5%
Section 08

People & community

Male
50.7%
+1.1 ptssince 2009
from 49.6% in 2009
Female
49.3%
−1.1 ptssince 2009
from 50.4% in 2009
Foreign born
14.6%
+6.3 ptssince 2009
from 8.3% in 2009
US average: 14.1%
Veterans
8.8%
−4.5 ptssince 2009
from 13.3% in 2009
US average: 6.2%
With a disability
13.4%
+1.2 ptssince 2012
from 12.2% in 2012
US average: 13.3%
Uninsured
5.8%
−3.4 ptssince 2013
from 9.2% in 2013
US average: 8.4%
Broadband at home
87.6%
+17.6 ptssince 2017
from 70.0% in 2017
US average: 91.0%
Computer in household
93.3%
+4.4 ptssince 2020
from 88.9% in 2020
US average: 95.5%
Same house as last year
91.1%
+2.7 ptssince 2020
from 88.4% in 2020
US average: 87.7%
English only at home
75.2%
−4.6 ptssince 2016
from 79.8% in 2016
US average: 77.7%
Spanish at home
19.6%
+2.7 ptssince 2016
from 16.9% in 2016
US average: 13.6%
Marital status
Men 15+
Never married33.9%(5,452)
Married52.3%(8,410)
Widowed2.9%(470)
Divorced10.9%(1,746)
Women 15+
Never married23.6%(3,737)
Married54.2%(8,570)
Widowed8.9%(1,413)
Divorced13.2%(2,082)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
5.8%
−3.4 ptssince 2013
from 9.2% in 2013
US average: 8.4%
Employer-based
54.2%
−1.5 ptssince 2020
from 55.7% in 2020
US average: 54.8%
Direct-purchase
14.8%
−0.7 ptssince 2020
from 15.5% in 2020
US average: 13.8%
Medicare
18.2%
−0.1 ptssince 2020
from 18.3% in 2020
US average: 18.4%
Medicaid
23.8%
+0.4 ptssince 2020
from 23.4% in 2020
US average: 20.9%
VA health care
2.6%
+0.3 ptssince 2020
from 2.3% in 2020
US average: 2.2%
Any private
67.9%
−0.9 ptssince 2020
from 68.8% in 2020
US average: 67.1%
Any public
40.7%
+0.4 ptssince 2020
from 40.3% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)20.4%(539)
US avg: 26.4%
Gulf War (1990s)18%(476)
US avg: 24.3%
Vietnam era34.4%(908)
US avg: 33.1%
Korean War6.1%(162)
US avg: 4.5%
World War II3.7%(97)
US avg: 1%

Share of the 2,639 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Head to head

Compare Marshall County to nearby counties

MARSHALL COUNTY VS
Tama County
Income$70,781−3%
Home value$148,600+2%
Population16,796−58%
SEE FULL COMPARISON →
MARSHALL COUNTY VS
Story County
Income$69,685−5%
Home value$258,700+78%
Population101,291+154%
SEE FULL COMPARISON →
MARSHALL COUNTY VS
Jasper County
Income$71,311−3%
Home value$186,300+28%
Population38,153−4%
SEE FULL COMPARISON →
MARSHALL COUNTY VS
Grundy County
Income$87,205+19%
Home value$198,800+37%
Population12,361−69%
SEE FULL COMPARISON →
Frequently asked

How many people live in Marshall County, Iowa?

Marshall County, Iowa has about 40,114 residents according to the 2024 American Community Survey.

What is the median household income in Marshall County, Iowa?

The typical household in Marshall County, Iowa earns about $73,315 a year. Half of households make more than that, and half make less.

Is Marshall County, Iowa expensive?

In Marshall County, Iowa, the median home is worth about $145,500, and the typical rent is about $885 a month.

How educated are people in Marshall County, Iowa?

About 22.6% of adults age 25 and over in Marshall County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Marshall County, Iowa?

About 11.2% of people in Marshall County, Iowa live below the federal poverty line.

Has Marshall County, Iowa grown since 1990?

Yes, Marshall County, Iowa has grown since 1990. The population has added about 1,838 residents, a change of about 5 percent over that period.

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

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