Story County IA Information


Story County Subdivisions

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  1. Story County 2018 Demographic Data
  2. Growth Rates forStory County (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

Story County IA Data & Demographics (As of July 1, 2018)


Total Population 99,535
Population in Households 87,699
Population in Familes 55,989
Population in Group Qrtrs 11,836
Population Density2 174
Diversity Index3 33


Median Household Income $56,717
Average Household Income $75,867
Per Capita Income $29,470


Total Housing Units 39,746 (100%)
Owner Occupied HU 20,665 (52.0%)
Renter Occupied HU 16,705 (42.0%)
Vacant Housing Units 2,376 ( 6.0%)
Median Home Value $188,378
Average Home Value $226,191


Total Households 37,370
Average Household Size 2.35
Family Households 19,546
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 1.29% 0.85%
Households 0.89% 0.95%
Families 0.67% 0.81%
Median Household Income   1.39%
Per Capita Income   1.84%


Story County IA - Peer Comparisons by Rank and Percentile

The table below compares Story County to the other 99 counties and county equivalents 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 # 8 93rd
Population Density # 6 95th
Diversity Index # 16 84th
Median Household Income # 20 81st
Per Capita Income # 31 70th

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

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Iowa Census Data Comparison Tool

Compare Iowa July 1, 2018 Data
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