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CITY

Walnut

Iowa · 715 residents (2025 est.) · 2.198 sq mi
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The short version

Walnut has lower-than-average household income, with a median household income of $62,500. The city has grown rapidly, with population up 72% since 2000. 14% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has risen by half since 2000, reaching $115,900. With a median age of 67.3, the population is older than the US median of 38.9.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 67.3
US median: 38.9
Less educated
14% hold a bachelor's degree
US average: 36%
More affordable
home values down 5%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
1,342
+72%since 2000
from 778 in 2000
1990 – 2025
Population density
611 / sq mi
+72%since 2000
from 354 / sq mi in 2000
US average: 281
Median age
67.3
+60%since 2000
from 42.0 in 2000
US average: 38.9

PEP 2025 EST:715 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
6068071K1K1K1990201020202024Walnut
20241K
1990201020202024
Section 02

Income & economy

Median household income
$62,500
−5%inflation adjusted, since 2000
from $36,154 in 2000
US average: $82,259
1990 – 2024
Per capita income
$29,692
+80%since 2000
from $16,489 in 2000
US average: $44,673
Households earning $100K+
39.5%
+8.3 ptssince 2009
from 31.1% in 2009
US average: 53.3%
Poverty rate
12.4%
+3.9 ptssince 2000
from 8.5% in 2000
US average: 12.5%
Income inequality (Gini)
0.447
+22%since 2010
from 0.367 in 2010
US average: 0.476
Workforce by industry, 2024
Information26.8%
US avg: 10.8%
Finance & insurance14%
US avg: 5.9%
Professional, scientific, technical14%
US avg: 5.1%
Other services9.6%
US avg: 6.7%
Retail trade7.3%
US avg: 9.9%
Wholesale trade6.1%
US avg: 6.9%
Agriculture, forestry, fishing5.8%
US avg: 1.6%
Construction5.8%
US avg: 1.2%
Public administration5%
US avg: 4.8%
Arts, entertainment, food1.2%
US avg: 1.9%
Transportation & warehousing0.6%
US avg: 2.2%
Manufacturing0%
US avg: 0.4%
Education & health services0%
US avg: 0.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$115,900
−5%inflation adjusted, since 2000
from $67,300 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$874
+63%inflation adjusted, since 2000
from $294 in 2000
US average: $1,442
Owner-occupied
72.3%
−10.2 ptssince 2000
from 82.5% in 2000
27.7% rent
Vacancy rate
14.0%
−1.3 ptssince 2009
from 15.3% in 2009
US average: 10.0%
Owner cost-burdened
8.8%
−15.0 ptssince 2009
from 23.8% in 2009
US average: 22.9%
Renter cost-burdened
38.0%
+16.7 ptssince 2009
from 21.3% in 2009
US average: 47.4%
Afford Score
1.9
Unchangedsince 2000
from 1.9 in 2000
1990 – 2024
Gentrification Score
26
RELATED:See current rent listings in Walnut on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97%(755)
Black0.5%(4)
Hispanic / Latino0.8%(6)
Asian0.4%(3)
Other0%
Diversity Score4.2%(33)
2024
White, non-Hispanic95.5%(1,282)
Black0.7%(9)
Hispanic / Latino3.4%(45)
Asian0%(0)
Other0.4%(6)
Diversity Score10.8%(145)
Diversity Score
11
+158%since 2000
from 4 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
14.1%
+2.0 ptssince 2000
from 12.1% in 2000
US average: 35.6%
High school or higher
88.7%
+1.9 ptssince 2000
from 86.8% in 2000
US average: 89.6%
Graduate degree
4.6%
−0.2 ptssince 2000
from 4.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
27.4 min
+30%since 2000
from 21.0 min in 2000
US average: 26.5
Drive alone to work
83.4%
+10.1 ptssince 2009
from 73.3% in 2009
US average: 68.9%
Carpooled to work
2.6%
−19.5 ptssince 2009
from 22.1% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
13.4%
+10.3 ptssince 2009
from 3.2% in 2009
US average: 15.0%
Walked to work
0.0%
−0.9 ptssince 2009
from 0.9% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
8.7%
+3.0 ptssince 2009
from 5.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
4.2%
−2.2 ptssince 2011
from 6.4% in 2011
US average: 5.2%
Labor force participation
30.0%
−41.1 ptssince 2011
from 71.1% in 2011
US average: 63.5%
Self-employed
9.9%
−0.8 ptssince 2009
from 10.8% in 2009
US average: 13.1%
Management & professional
22.2%
−39.7 ptssince 2009
from 61.8% in 2009
US average: 42.5%
Section 08

People & community

Male
40.9%
−6.6 ptssince 2009
from 47.5% in 2009
Female
59.1%
+6.6 ptssince 2009
from 52.5% in 2009
Foreign born
0.8%
+0.3 ptssince 2009
from 0.5% in 2009
US average: 14.1%
Veterans
14.7%
−31.4 ptssince 2009
from 46.1% in 2009
US average: 6.2%
With a disability
18.2%
+4.5 ptssince 2012
from 13.7% in 2012
US average: 13.3%
Uninsured
6.4%
−77.3 ptssince 2013
from 83.7% in 2013
US average: 8.4%
Broadband at home
81.9%
+16.7 ptssince 2017
from 65.2% in 2017
US average: 91.0%
English only at home
98.9%
−0.6 ptssince 2016
from 99.6% in 2016
US average: 77.7%
Spanish at home
1.1%
+0.6 ptssince 2016
from 0.4% in 2016
US average: 13.6%
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Frequently asked

How many people live in Walnut, Iowa?

Walnut, Iowa has about 1,342 residents according to the 2024 American Community Survey.

What is the median household income in Walnut, Iowa?

The typical household in Walnut, Iowa earns about $62,500 a year. Half of households make more than that, and half make less.

Is Walnut, Iowa expensive?

In Walnut, Iowa, the median home is worth about $115,900, and the typical rent is about $874 a month.

How educated are people in Walnut, Iowa?

About 14.1% of adults age 25 and over in Walnut, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Walnut, Iowa?

About 12.4% of people in Walnut, Iowa live below the federal poverty line.

Has Walnut, Iowa grown since 1990?

Yes, Walnut, Iowa has grown since 1990. The population has added about 487 residents, a change of about 57 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 →

Walnut, Iowa: demographics, income & housing data · CensusEasy