State
County
Land Area (mi²)
19.3 sq mi
Density (mi²)
1,350.0/sq mi
2020 Growth Rate
-1.21%
Growth Since 2010
-5.52%
Rank in State
Rank in Country
Metro Population
38,331
Marshalltown is a city located in Marshall County Iowa. It is also the county seat of Marshall County. With a 2020 population of 26,030, it is the 18th largest city in Iowa and the 1483rd largest city in the United States . Marshalltown is currently declining at a rate of -1.21% annually and its population has decreased by -5.52% since the most recent census, which recorded a population of 27,552 in 2010. Marshalltown reached it's highest population of 27,823 in 2012. Spanning over 19 miles, Marshalltown has a population density of 1,350 people per square mile.
The average household income in Marshalltown is $62,565 with a poverty rate of 14.79%. The median rental costs in recent years comes to $685 per month, and the median house value is $94,300. The median age in Marshalltown is 36.7 years, 35.9 years for males, and 37.5 years for females.
According to the most recent ACS, the racial composition of Marshalltown was:
2019 and 2020 population is estimated by projecting the raw 2018 numbers.
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 38,331 | -519 | -1.35% |
| 2020 | 38,850 | -519 | -1.34% |
| 2019 | 39,369 | -519 | -1.32% |
| 2018 | 39,888 | -190 | -0.48% |
| 2017 | 40,078 | -57 | -0.14% |
| 2016 | 40,135 | -217 | -0.54% |
| 2015 | 40,352 | -370 | -0.92% |
| 2014 | 40,722 | -273 | -0.67% |
| 2013 | 40,995 | -37 | -0.09% |
| 2012 | 41,032 | 19 | 0.05% |
| 2011 | 41,013 | 291 | 0.71% |
| 2010 | 40,722 | 0.00% |
| Race | Population | Percentage |
|---|---|---|
| White | 21,938 | 81.09% |
| Some Other Race | 2,432 | 8.99% |
| Asian | 1,402 | 5.18% |
| Two or More Races | 733 | 2.71% |
| Black or African American | 438 | 1.62% |
| American Indian and Alaska Native | 97 | 0.36% |
| Native Hawaiian and Other Pacific Islander | 13 | 0.05% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 10,273 | 2.53 | 64.7 |
| Married | 4,900 | 3.21 | 81.3 |
| Non Family | 3,899 | 1.26 | 48.7 |
| Female | 1,009 | 3.51 | 39.9 |
| Male | 465 | 3.83 | 77.8 |
3.19
Average Family Size
2.53
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 2,209 | 12.63% |
| 9th to 12th Grade | 1,513 | 8.65% |
| High School Graduate | 5,757 | 32.91% |
| Some College | 3,268 | 18.68% |
| Associates Degree | 1,573 | 8.99% |
| Bachelors Degree | 2,244 | 12.83% |
| Graduate Degree | 931 | 5.32% |
| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 12,348 | 11,348 | 2,798 |
| Hispanic | 3,705 | 1,597 | 150 |
| Other Race | 1,089 | 420 | 46 |
| Asian | 807 | 250 | 133 |
| Black | 361 | 288 | 6 |
| 2+ Races | 270 | 242 | 88 |
| Native American | 81 | 81 | |
| Islander | 13 | 13 |
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 32.59%.
$36,700
Average Earnings
$43,359
Average Male
$29,299
Average Female
68.06% of Marshalltown residents speak only English, while 31.94% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 26.36% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Hispanic | 8,296 | 1,875 | 22.60% |
| White | 15,115 | 1,721 | 11.39% |
| Other | 2,432 | 328 | 13.49% |
| Asian | 1,394 | 97 | 6.96% |
| Black | 408 | 96 | 23.53% |
| Multiple | 712 | 62 | 8.71% |
| Native | 95 | 14 | 14.74% |
14.79%
Overall Poverty Rate
13.70%
Male Poverty Rate
15.89%
Female Poverty Rate
The race most likely to be in poverty in Marshalltown is Black, with 23.53% below the poverty level.
The race least likely to be in poverty in Marshalltown is Asian, with 6.96% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.95%. Among those working part-time, it was 16.83%, and for those that did not work, the poverty rate was 21.95%.
50.2%
Overall Marriage Rate
50.9%
Male Marriage Rate
49.4%
Female Marriage Rate
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
|---|---|---|
| White | 1,946 | 11.49% |
| Hispanic | 36 | 0.76% |
| Native American | 35 | 43.21% |
| Other Race | 14 | 0.99% |
| 2+ Races | 9 | 2.88% |
4.49%
Veteran Poverty Rate
37.02%
Veteran Disability Rate
62.7%
Labor Force Participation
59.3%
Employment Rate
5.4%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
81.34%
Native Born
18.66%
Foreign Born
13.37%
Non Citizen
5.29%
Naturalized
81.34% of Marshalltown residents were born in the United States, with 61.18% having been born in Iowa. 13.37% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 26,030 | -318 | -1.21% |
| 2020 | 26,348 | -318 | -1.19% |
| 2019 | 26,666 | -318 | -1.18% |
| 2018 | 26,984 | -140 | -0.52% |
| 2017 | 27,124 | -53 | -0.20% |
| 2016 | 27,177 | -170 | -0.62% |
| 2015 | 27,347 | -262 | -0.95% |
| 2014 | 27,609 | -214 | -0.77% |
| 2013 | 27,823 | 0.00% | |
| 2012 | 27,823 | 47 | 0.17% |
| 2011 | 27,776 | 172 | 0.62% |
| 2010 | 27,604 | 1,595 | 0.60% |
| 2000 | 26,009 | 831 | 0.33% |
| 1990 | 25,178 | -1,760 | -0.67% |
| 1980 | 26,938 | 719 | 0.27% |
| 1970 | 26,219 | 3,698 | 1.53% |
| 1960 | 22,521 | 2,700 | 1.29% |
| 1950 | 19,821 | 581 | 0.30% |
| 1940 | 19,240 | 1,867 | 1.03% |
| 1930 | 17,373 | 1,642 | 1.00% |
| 1920 | 15,731 | 2,357 | 1.64% |
| 1910 | 13,374 | 1,830 | 1.48% |
| 1900 | 11,544 | 2,630 | 2.62% |
| 1890 | 8,914 | 2,674 | 3.63% |
| 1880 | 6,240 | 3,022 | 6.85% |
| 1870 | 3,218 | 0.00% |