Grundy County IA Information


Grundy County Subdivisions

Grundy County IA Data & Demographics (As of July 1, 2016)


Total Population 12,487
Population in Households 12,333
Population in Familes 10,328
Population in Group Qrtrs 154
Population Density1 25
Diversity Index2 7


Total Households 5,173
Average Household Size 2.38
Family Households 3,610
Average Family Size 3


Total Housing Units 5,665 (100%)
Owner Occupied HU 4,200 (74.1%)
Renter Occupied HU 973 (17.2%)
Vacant Housing Units 492 ( 8.7%)
Median Home Value $132,640
Average Home Value $171,411


Median Household Income $56,964
Average Household Income $75,670
Per Capita Income $31,531
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.04% 0.13%
Households 0.13% 0.18%
Families 0.03% 0.11%
Median Household Income   2.38%
Per Capita Income   2.17%
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.


Grundy County IA - Peer Comparisons by Rank and Percentile

The table below compares Grundy County to the other 99 counties and county equivalents in Iowa by rank and percentile using July 1, 2016 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 # 62 38th
Population Density1 # 58 43rd
Diversity Index2 # 91 8th
Median Household Income # 11 90th
Per Capita Income # 7 94th

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