Marshalltown, IA Profile: Facts, Map & Data


Marshalltown Local Links & Resources:
Hotels | Resources | ALL Marshalltown Content

Also See: Marshalltown, IA ZIP Codes & ZIP Code Maps | Local Area Photos

Marshalltown, Iowa - Basic Facts

The City of Marshalltown had a population of 27,883 as of July 1, 2017. Marshalltown ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Marshalltown is located at latitude 42.0343 and longitude -92.9063 in Marshall County. The formal boundaries for the City of Marshalltown (see map below) encompass a land area of 19.28 sq. miles and a water area of 0.03 sq. miles. Marshall County is in the Central time zone (GMT -6). The elevation is 938 feet.

The City of Marshalltown (GNIS ID: 2395024) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Marshalltown is located within Township of Timber Creek, a minor civil division (MCD) of Marshall County.

Beneath the boundary map are tables with Marshalltown population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Marshalltown: Marshall, Marshall Town.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Marshalltown, IA Boundary Map

Also See: BIG Map | Driving Directions | IA Congressional Districts
Boundary Maps: Township of Timber Creek | Marshall County | Iowa Counties

Search the map for:

Marshalltown, IA Data & Demographics (As of July 1, 2017)


Total Population 27,883
Daytime Population: Workers 17,578
Daytime Population: Residents 15,622
Total Daytime Population (TDP) 33,200
Ratio TDP/Total Population1 1.19
Population in Households 26,751
Population in Familes 21,223
Population in Group Qrtrs 1,132
Population Density2 1,446
Diversity Index3 63


Median Household Income $48,756
Average Household Income $59,535
Per Capita Income $22,779


Total Housing Units 11,239 (100%)
Owner Occupied HU 6,960 (61.9%)
Renter Occupied HU 3,434 (30.6%)
Vacant Housing Units 845 ( 7.5%)
Median Home Value $107,628
Average Home Value $130,119


Total Households 10,394
Average Household Size 2.57
Family Households 6,601
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.16% 0.09%
Households 0.08% 0.03%
Families -0.06% -0.07%
Median Household Income   1.07%
Per Capita Income   1.88%

Marshalltown, IA - Peer Comparisons by Rank and Percentile

The table below compares Marshalltown to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 16 99th
Population Density # 113 89th
Diversity Index # 11 99th
Median Household Income # 721 29th
Per Capita Income # 912 10th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

Iowa Research Tools

Iowa Census Data Comparison Tool

Compare Iowa Census Data
Highest or Lowest: