Walnut is a city located in Cass County, Pottawattamie County, and Shelby County Iowa. Walnut has a 2024 population of 718. Walnut is currently declining at a rate of -0.69% annually and its population has decreased by -2.71% since the most recent census, which recorded a population of 738 in 2020.
The average household income in Walnut is $67,831 with a poverty rate of 10.46%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Walnut is 63.9 years, 58.5 years for males, and 69.6 years for females.
According to the most recent ACS, the racial composition of Walnut was:
White
Two or more races
Black or African American
Other race
Native American
Asian
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 350 | 1.94 | 68.3 | 31.7 |
| Non Family | 172 | 1.19 | 54.1 | 45.9 |
| Married | 127 | 2.59 | 89 | 11 |
| Female | 27 | 3.52 | 66.7 | 33.3 |
| Male | 24 | 2.17 | 62.5 | 37.5 |
2.52
Average Family Size
1.94
Average Household Size
68.3%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 15.31%.
All
Male
Female
$31,445
Average Earnings
$35,625
Average Male
$21,875
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
98.84% of Walnut residents speak only English, while 1.16% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.16% of the population.
rate
10.46%
Overall Poverty Rate
10.06%
Male Poverty Rate
10.88%
Female Poverty Rate
The race most likely to be in poverty in Walnut is White, with 11.08% below the poverty level.
The race least likely to be in poverty in Walnut is White, with 11.08% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.51%. Among those working part-time, it was 7.89%, and for those that did not work, the poverty rate was 23.63%.
Married
Widowed
Divorced
Separated
NeverMarried
35.3%
Overall Marriage Rate
37.4%
Male Marriage Rate
33.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 20-34.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
32.05%
Veteran Disability Rate
LaborForceParticipation
41.2%
Labor Force Participation
40.2%
Employment Rate
2.5%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
77.07%
Born in Walnut
98.89%
Native Born
1.11%
Foreign Born
0.91%
Non Citizen
0.2%
Naturalized
98.89% of Walnut residents were born in the United States, with 77.07% having been born in Iowa. 0.91% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 693 | -5 | -0.72% |
| 2028 | 698 | -5 | -0.71% |
| 2027 | 703 | -5 | -0.71% |
| 2026 | 708 | -5 | -0.7% |
| 2025 | 713 | -5 | -0.7% |
| 2024 | 718 | -5 | -0.69% |
| 2023 | 723 | -5 | -0.69% |
| 2022 | 728 | -4 | -0.55% |
| 2021 | 732 | -6 | -0.81% |
| 2020 | 738 | -32 | -4.16% |
| 2019 | 770 | -5 | -0.65% |
| 2018 | 775 | -4 | -0.51% |
| 2017 | 779 | -2 | -0.26% |
| 2016 | 781 | -2 | -0.26% |
| 2015 | 783 | 2 | 0.26% |
| 2014 | 781 | 1 | 0.13% |
| 2013 | 780 | -1 | -0.13% |
| 2012 | 781 | -6 | -0.76% |
| 2011 | 787 | 1 | 0.13% |
| 2010 | 786 | 0 | 0% |