Gilman, IA Profile: Facts, Map & Data


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Gilman, Iowa - Basic Facts

The City of Gilman had a population of 483 as of July 1, 2015. Gilman ranks in the lower quartile for 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 Gilman is located at latitude 41.8788 and longitude -92.7881 in Marshall County. The formal boundaries for the City of Gilman (see map below) encompass a land area of 0.54 sq. miles and a water area of 0 sq. miles. Marshall County is in the Central time zone (GMT -6). The elevation is 1,030 feet.

The City of Gilman (GNIS ID: 2394900) 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 Gilman is located within Township of Greencastle, a minor civil division (MCD) of Marshall County.

Beneath the boundary map are tables with Gilman population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Neighborhood Data

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City of Gilman, IA Boundary Map

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Boundary Maps: Township of Greencastle | Marshall County | Iowa Counties

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Gilman, IA Data & Demographics (As of July 1, 2015)


Total Population 483
Population in Households 483
Population in Familes 380
Population in Group Qrtrs 0
Population Density1 893
Diversity Index2 4


Total Households 221
Average Household Size 2.19
Family Households 135
Average Family Size 3


Total Housing Units 253 (100%)
Owner Occupied HU 169 (66.8%)
Renter Occupied HU 51 (20.2%)
Vacant Housing Units 32 (12.6%)
Median Home Value $65,385
Average Home Value $67,059


Median Household Income $47,201
Average Household Income $50,767
Per Capita Income $23,247
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.99% -0.5%
Households -1.0% -0.55%
Families -0.96% -0.75%
Median Household Income   2.1%
Per Capita Income   2.48%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Gilman, IA - Peer Comparisons by Rank and Percentile

The table below compares Gilman to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2015 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 # 476 53rd
Population Density1 # 372 63rd
Diversity Index2 # 898 11th
Median Household Income # 700 31st
Per Capita Income # 798 21st

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