Marshall County, Iowa demographics
Population: 40,137
Median age: 38.4
Median household income: 63,591
Demographics, population, home values, social and economic characteristics of Marshall County, Iowa.
Population
| 2021 | 40,137 |
| 2020 | 39,804 |
| 2019 | 39,964 |
| 2018 | 40,271 |
| 2017 | 40,476 |
| 2016 | 40,735 |
| 2015 | 40,962 |
| 2014 | 40,922 |
| 2013 | 40,800 |
| 2012 | 40,568 |
| 2011 | 40,398 |
| 2010 | 40,131 |
| 2009 | 39,093 |
Marshall County, IA cities
Albion city - 612
Clemons city - 182
Ferguson city - 100
Gilman city - 552
Green Mountain CDP - 182
Haverhill city - 176
Laurel city - 195
Le Grand city - 786
Liscomb city - 314
Marshalltown city - 27,570
Melbourne city - 788
Rhodes city - 289
St. Anthony city - 23
State Center city - 1,631
Census data for Marshall County, Iowa
Demographic and housing estimates in Marshall County, Iowa
| Total population | 40,137 |
| Male | 20,159 |
| Female | 19,978 |
| Total population | 40,137 |
| Under 5 years | 2,550 |
| 5 to 9 years | 2,791 |
| 10 to 14 years | 3,237 |
| 15 to 19 years | 2,654 |
| 20 to 24 years | 2,357 |
| 25 to 34 years | 4,488 |
| 35 to 44 years | 4,907 |
| 45 to 54 years | 4,630 |
| 55 to 59 years | 2,813 |
| 60 to 64 years | 2,528 |
| 65 to 74 years | 4,087 |
| 75 to 84 years | 1,985 |
| 85 years and over | 1,110 |
| Median age (years) | 38.4 |
| Under 18 years | 10,257 |
| 16 years and over | 30,896 |
| 18 years and over | 29,880 |
| 21 years and over | 28,536 |
| 62 years and over | 8,544 |
| 65 years and over | 7,182 |
| Total population | 40,137 |
| One race | 37,347 |
| White | 32,283 |
| Black or African American | 606 |
| American Indian and Alaska Native | 340 |
| Asian | 1,573 |
| Native Hawaiian and Other Pacific Islander | 2 |
| Some other race | 2,543 |
| Two or more races | 2,790 |
| Citizen, VOTING AGE 18 and over population | 27,079 |
| Male Citizen, VOTING AGE 18 and over population | 13,533 |
| Female Citizen, VOTING AGE 18 and over population | 13,546 |
Social characteristics in Marshall County, Iowa
| Total households | 15,298 |
| Family households (families) | 8,045 |
| Married-couple family | 1,161 |
| Male householder, no wife present, family | 2,788 |
| Female householder, no husband present, family | 2,168 |
| Nonfamily households | 3,304 |
| Average household size | 4,478 |
| Average family size | 2.54 |
Economic characteristics in Marshall County, Iowa
| Total households | 15,298 |
| Less than $10,000 | 785 |
| $10,000 to $14,999 | 658 |
| $15,000 to $24,999 | 1,342 |
| $25,000 to $34,999 | 1,454 |
| $35,000 to $49,999 | 1,735 |
| $50,000 to $74,999 | 3,123 |
| $75,000 to $99,999 | 2,229 |
| $100,000 to $149,999 | 2,724 |
| $150,000 to $199,999 | 678 |
| $200,000 or more | 570 |
| Median household income (dollars) | 63,591 |
Housing characteristics in Marshall County, Iowa
| Total housing units | 16,740 |
| Occupied housing units | 15,298 |
| Vacant housing units | 1,442 |
| Total housing units | 16,740 |
| 1-unit, detached | 12,979 |
| 1-unit, attached | 335 |
| 2 units | 456 |
| 3 or 4 units | 846 |
| 5 to 9 units | 531 |
| 10 to 19 units | 416 |
| 20 or more units | 683 |
| Mobile home | 479 |
| Boat, RV, van, etc. | 15 |
| Total housing units | 16,740 |
| Built 2014 or later | 9 |
| Built 2010 to 2013 | 314 |
| Built 2000 to 2009 | 997 |
| Built 1990 to 1999 | 1,169 |
| Built 1980 to 1989 | 945 |
| Built 1970 to 1979 | 2,215 |
| Built 1960 to 1969 | 2,021 |
| Built 1950 to 1959 | 2,434 |
| Built 1940 to 1949 | 1,184 |
| Built 1939 or earlier | 5,452 |
| Total housing units | 16,740 |
| 1 room | 392 |
| 2 rooms | 305 |
| 3 rooms | 1,386 |
| 4 rooms | 2,350 |
| 5 rooms | 2,705 |
| 6 rooms | 3,134 |
| 7 rooms | 2,407 |
| 8 rooms | 1,580 |
| 9 rooms or more | 2,481 |
| Median rooms | 5.9 |
| Total housing units | 16,740 |
| No bedroom | 457 |
| 1 bedroom | 1,376 |
| 2 bedrooms | 4,115 |
| 3 bedrooms | 6,873 |
| 4 bedrooms | 3,097 |
| 5 or more bedrooms | 822 |
| Occupied housing units | 15,298 |
| Owner-occupied | 10,997 |
| Renter-occupied | 4,301 |
| Average household size of owner-occupied unit | 2.63 |
| Average household size of renter-occupied unit | 2.31 |
| Occupied housing units | 15,298 |
| Moved in 2017 or later | 1,309 |
| Moved in 2015 to 2016 | 4,132 |
| Moved in 2010 to 2014 | 2,552 |
| Moved in 2000 to 2009 | 3,096 |
| Moved in 1990 to 1999 | 2,048 |
| Moved in 1989 and earlier | 2,161 |
| Owner-occupied units | 10,997 |
| Less than $50,000 | 1,236 |
| $50,000 to $99,999 | 3,842 |
| $100,000 to $149,999 | 2,524 |
| $150,000 to $199,999 | 1,403 |
| $200,000 to $299,999 | 1,182 |
| $300,000 to $499,999 | 647 |
| $500,000 to $999,999 | 105 |
| $1,000,000 or more | 58 |
| Median (dollars) | 106,900 |
| Owner-occupied units | 10,997 |
| Housing units with a mortgage | 6,350 |
| Housing units without a mortgage | 4,647 |
| Occupied units paying rent | 4,028 |
| Less than $500 | 546 |
| $500 to $999 | 2,612 |
| $1,000 to $1,499 | 681 |
| $1,500 to $1,999 | 77 |
| $2,000 to $2,499 | 53 |
| $2,500 to $2,999 | 4 |
| $3,000 or more | 55 |
| Median (dollars) | 783 |
| No rent paid | 273 |
Demographic data for Marshall County, IA and each city in the county. Lists of cities by population, wealth and poverty in Marshall County, IA.
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