Green Mountain, IA Profile: Facts & Data


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Green Mountain, Iowa - Basic Facts

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The Green Mountain CDP(1) had a population of 118 as of July 1, 2021. Green Mountain ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Green Mountain is located at latitude 42.1017 and longitude -92.8205 in Marshall County. The formal boundaries for the Green Mountain Census Designated Place encompass a land area of 0.69 sq. miles and a water area of 0 sq. miles. Marshall County is in the Central time zone (GMT -6). The elevation is 994 feet.

The Green Mountain Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Green Mountain Census Designated Place is located within Township of Marion, a minor civil division (MCD) of Marshall County.

  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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  1. Green Mountain 2021 Demographic Data
  2. Growth Rates for Green Mountain (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2021 Demographics

Green Mountain, IA Data & Demographics (As of July 1, 2021)


Total Population 118 (100%)
Population in Households 118 (100.0%)
Population in Families 103 (87.3%)
Population in Group Quarters1 0
Population Density 172
Diversity Index2 14


Median Household Income $65,411
Average Household Income $74,478
% of Income for Mortgage4 0%
Per Capita Income $30,331
Wealth Index5 69


Total HU (Housing Units) 64 (100%)
Owner Occupied HU 46 (71.9%)
Renter Occupied HU 6 ( 9.4%)
Vacant Housing Units 11 (17.2%)
Median Home Value $159,615
Average Home Value $155,556
Housing Affordability Index3 0


Total Households 53
Average Household Size 2.23
Family Households 41
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population -0.58% -0.51%
Households -0.49% -0.38%
Families 1.42% -0.49%
Median Household Income   1.88%
Per Capita Income   1.7%
Owner Occupied HU   0.0%

Green Mountain, IA - Peer Comparisons by Rank and Percentile

The table below compares Green Mountain to the other 1,008 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2021 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 # 837 17th
Population Density # 901 11th
Median Household Income # 346 66th
Housing Affordability Index # 138 14th
Per Capita Income # 546 46th
Diversity Index # 356 65th

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

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