Clinton County IA Information


Clinton County Subdivisions

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  1. Clinton County 2018 Demographic Data
  2. Growth Rates forClinton 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

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


Total Population 48,089
Population in Households 47,455
Population in Familes 37,156
Population in Group Qrtrs 634
Population Density2 69
Diversity Index3 20


Median Household Income $51,447
Average Household Income $63,774
Per Capita Income $26,762


Total Housing Units 21,946 (100%)
Owner Occupied HU 14,409 (65.7%)
Renter Occupied HU 5,635 (25.7%)
Vacant Housing Units 1,902 ( 8.7%)
Median Home Value $127,087
Average Home Value $156,175


Total Households 20,044
Average Household Size 2.37
Family Households 12,902
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 -0.26% -0.31%
Households -0.11% -0.25%
Families -0.27% -0.35%
Median Household Income   1.99%
Per Capita Income   2.52%


Clinton County IA - Peer Comparisons by Rank and Percentile

The table below compares Clinton 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 # 12 89th
Population Density # 17 84th
Diversity Index # 39 62nd
Median Household Income # 59 41st
Per Capita Income # 71 29th

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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