Clinton County IA Information


Clinton County Subdivisions

Clinton County IA Data & Demographics (As of July 1, 2017)


Total Population 48,638
Daytime Population: Workers 23,628
Daytime Population: Residents 25,863
Total Daytime Population (TDP) 49,491
Ratio TDP/Total Population1 1.02
Population in Households 47,832
Population in Familes 37,789
Population in Group Qrtrs 806
Population Density2 70
Diversity Index3 20


Median Household Income $50,855
Average Household Income $62,965
Per Capita Income $26,308


Total Housing Units 21,958 (100%)
Owner Occupied HU 14,374 (65.5%)
Renter Occupied HU 5,773 (26.3%)
Vacant Housing Units 1,811 ( 8.2%)
Median Home Value $123,670
Average Home Value $155,552


Total Households 20,147
Average Household Size 2.37
Family Households 12,992
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population -0.13% -0.25%
Households -0.05% -0.21%
Families -0.21% -0.3%
Median Household Income   1.41%
Per Capita Income   2.14%


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, 2017 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 # 32 69th
Median Household Income # 58 42nd
Per Capita Income # 64 36th

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