Marshalltown is a city located in Marshall County and Tama County Iowa. Marshalltown has a 2024 population of 27,298. It is also the county seat of Marshall County. Marshalltown is currently declining at a rate of -0.24% annually and its population has decreased by -0.98% since the most recent census, which recorded a population of 27,568 in 2020.
The average household income in Marshalltown is $75,196 with a poverty rate of 14.29%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Marshalltown is 35.5 years, 35.5 years for males, and 35.5 years for females.
According to the most recent ACS, the racial composition of Marshalltown was:
White
Two or more races
Other race
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 9,984 | 2.62 | 67.3 | 32.7 |
| Married | 4,986 | 3.45 | 83.1 | 16.9 |
| Non Family | 3,683 | 1.24 | 49 | 51 |
| Female | 834 | 3.1 | 54.4 | 45.6 |
| Male | 481 | 3.81 | 65.7 | 34.3 |
3.35
Average Family Size
2.62
Average Household Size
67.3%
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 white people with a rate of 94.13%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 23.77%.
All
Male
Female
$41,191
Average Earnings
$47,100
Average Male
$33,691
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
66.62% of Marshalltown residents speak only English, while 33.38% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 27.36% of the population.
rate
14.29%
Overall Poverty Rate
12.21%
Male Poverty Rate
16.34%
Female Poverty Rate
The race most likely to be in poverty in Marshalltown is Multiple, with 23.29% below the poverty level.
The race least likely to be in poverty in Marshalltown is Asian, with 3% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.22%. Among those working part-time, it was 15.87%, and for those that did not work, the poverty rate was 23.38%.
Married
Widowed
Divorced
Separated
NeverMarried
50.6%
Overall Marriage Rate
49.2%
Male Marriage Rate
52.1%
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
8.37%
Veteran Poverty Rate
32.52%
Veteran Disability Rate
LaborForceParticipation
65.9%
Labor Force Participation
61.4%
Employment Rate
6.8%
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
59%
Born in Marshalltown
81.27%
Native Born
18.73%
Foreign Born
11.95%
Non Citizen
6.78%
Naturalized
81.27% of Marshalltown residents were born in the United States, with 59% having been born in Iowa. 11.95% 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 | 26,960 | -68 | -0.25% |
| 2028 | 27,028 | -67 | -0.25% |
| 2027 | 27,095 | -68 | -0.25% |
| 2026 | 27,163 | -67 | -0.25% |
| 2025 | 27,230 | -68 | -0.25% |
| 2024 | 27,298 | -67 | -0.24% |
| 2023 | 27,365 | -68 | -0.25% |
| 2022 | 27,433 | -3 | -0.01% |
| 2021 | 27,436 | -132 | -0.48% |
| 2020 | 27,568 | 819 | 3.06% |
| 2019 | 26,749 | -233 | -0.86% |
| 2018 | 26,982 | -122 | -0.45% |
| 2017 | 27,104 | -66 | -0.24% |
| 2016 | 27,170 | -168 | -0.61% |
| 2015 | 27,338 | -266 | -0.96% |
| 2014 | 27,604 | -219 | -0.79% |
| 2013 | 27,823 | -1 | 0% |
| 2012 | 27,824 | 44 | 0.16% |
| 2011 | 27,780 | 175 | 0.63% |
| 2010 | 27,605 | 1,596 | 6.14% |
| 2000 | 26,009 | 831 | 3.3% |
| 1990 | 25,178 | -1,760 | -6.53% |
| 1980 | 26,938 | 719 | 2.74% |
| 1970 | 26,219 | 3,698 | 16.42% |
| 1960 | 22,521 | 2,700 | 13.62% |
| 1950 | 19,821 | 581 | 3.02% |
| 1940 | 19,240 | 1,867 | 10.75% |
| 1930 | 17,373 | 1,642 | 10.44% |
| 1920 | 15,731 | 2,357 | 17.62% |
| 1910 | 13,374 | 1,830 | 15.85% |
| 1900 | 11,544 | 2,630 | 29.5% |
| 1890 | 8,914 | 2,674 | 42.85% |
| 1880 | 6,240 | 3,022 | 93.91% |
| 1870 | 3,218 | 0 | 0% |