Storm Lake, IA Profile: Facts & Data


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Storm Lake, Iowa - Basic Facts

The City of Storm Lake had a population of 10,955 as of July 1, 2018. Storm Lake 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 Storm Lake is located at latitude 42.6431 and longitude -95.197 in Buena Vista County. The formal boundaries for the City of Storm Lake (see map below) encompass a land area of 5.27 sq. miles and a water area of 0 sq. miles. Buena Vista County is in the Central time zone (GMT -6). The elevation is 1,421 feet.

The City of Storm Lake (GNIS ID: 468754) has a C2 Census Class Code which indicates an active incorporated place legally coextensive with a county subdivision but treated as independent of any county subdivision. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Storm Lake is located within , a minor civil division (MCD) of Buena Vista County.

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  1. Storm Lake 2018 Demographic Data
  2. Growth Rates for Storm Lake (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 - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Storm Lake, IA Data & Demographics (As of July 1, 2018)


Total Population 10,955
Population in Households 10,161
Population in Familes 8,086
Population in Group Qrtrs 794
Population Density2 2,078
Diversity Index3 80


Median Household Income $47,871
Average Household Income $61,484
Per Capita Income $21,830


Total Housing Units 3,863 (100%)
Owner Occupied HU 2,281 (59.0%)
Renter Occupied HU 1,354 (35.1%)
Vacant Housing Units 228 ( 5.9%)
Median Home Value $120,389
Average Home Value $148,236


Total Households 3,635
Average Household Size 2.8
Family Households 2,329
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.35% 0.1%
Households 0.28% 0.03%
Families 0.21% -0.07%
Median Household Income   2.13%
Per Capita Income   2.14%

Storm Lake, IA - Peer Comparisons by Rank and Percentile

The table below compares Storm Lake to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2018 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 # 35 97th
Population Density # 26 98th
Diversity Index # 2 100th
Median Household Income # 796 21st
Per Capita Income # 972 4th

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